Another Turbo 2.8 in progress
#1402
Re: Another Turbo 2.8 in progress
Originally Posted by willexoIX
Attachment 279770
Let me know what you think?
Let me know what you think?
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Ill never see over 166kpa with this turbo, anything really over 12 and it acts like a blow dryer, lol.
#1404
Re: Another Turbo 2.8 in progress
Originally Posted by willexoIX
Thats how I would like to start out for now, I think Marks table goes up to 22* IIRC in boost. I would like to get the off boost timing taken care of. I didnt really mess too much with the values above 100kpa, though I did bump them up a few degrees. I want to work on the drivability aspect off boost first if I can, then work on the boost numbers...
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Remember that 100-KPa is 0 vacuum, that is where you want your total timing, and it should be a tad higher than 25 degrees. I would put it in the low 30's, that is a safe area for iron heads. Once in boost, you'll back off gradually, no lower than 19-degrees, especially under 12-psi of boost pressure, because there is honestly no reason to go any lower than that in your spark advance...
Edit- my max boost will be 9.5 psi or so, I wont go any higher than that.
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Right around 10psi seems to be as efficient as itll be if im reading the compressor map right. If I want to push any more boost Ill have to upgrade to the T3/T4 Mark is using, then I could dial down the boost and make the same power as I will with this setup when its dialed in. But Im not going all out unless I get another thirdgen being this one needs to be my DD again.
There is only turbo lag in first gear till the turbine spools up, after that its in boost at every shift. Though I dont expect much from a stock 700r4 with the TV plunger mod. Though that one mod gives me higher line pressures. One day I'll get it rebuilt. Course Im also not going to beat on it either.
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Car: 1991 Camaro RS
Engine: BBC 509 Merlin ii 9.6:1 pump gas
Transmission: ATI pro th350 sfi case. TSI 5500 st
Axle/Gears: Strange S60 4:10s
Re: Another Turbo 2.8 in progress
I think that it is ok and conservitive to add. Just add in a hair at a time if you want, in your areas that you will be at(like only a half a degree at a time). You knock sensor works correct...right? Have you tried it out to make sure it does pick up knock? For 10psi or so anything more then 23 degrees or so wont really help you go any faster, at least it didnt on my iron head set up. Thats why that timing table i sent you was like it was....it was the best timing I ever had at the track considering I was dialing in 11.5 Afrs for all boost above 6psi and 12.0 afrs under the 6psi areas.
Just keep a eye on that. When you start adding in timing keep in mind that it will usually make your car leaner...but don't add fuel and timing in at the same time without datalogging each change first unless you really know what your doing.
Just keep a eye on that. When you start adding in timing keep in mind that it will usually make your car leaner...but don't add fuel and timing in at the same time without datalogging each change first unless you really know what your doing.
Last edited by fasteddi; 07-01-2014 at 04:39 PM.
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
I think that it is ok and conservitive to add. Just add in a hair at a time if you want, in your areas that you will be at(like only a half a degree at a time). You knock sensor works correct...right? Have you tried it out to make sure it does pick up knock? For 10psi or so anything more then 23 degrees or so wont really help you go any faster, at least it didnt on my iron head set up. Thats why that timing table i sent you was like it was....it was the best timing I ever had at the track considering I was dialing in 11.5 Afrs for all boost above 6psi and 12.0 afrs under the 6psi areas.
Just keep a eye on that. When you start adding in timing keep in mind that it will usually make your car leaner...but don't add fuel and timing in at the same time without datalogging each change first unless you really know what your doing.
Just keep a eye on that. When you start adding in timing keep in mind that it will usually make your car leaner...but don't add fuel and timing in at the same time without datalogging each change first unless you really know what your doing.
Thanks Rob. Just hope my car likes it and I didnt scale too far down on the VE. Ill find out soon enough though.
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Car: 1991 Camaro RS
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Transmission: ATI pro th350 sfi case. TSI 5500 st
Axle/Gears: Strange S60 4:10s
Re: Another Turbo 2.8 in progress
Are you running r42st ac delco plugs?
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Transmission: ATI pro th350 sfi case. TSI 5500 st
Axle/Gears: Strange S60 4:10s
Re: Another Turbo 2.8 in progress
Opps yea I ment ts. Damm phone...
Im sure that youll be fine with the timing you have but get a knock sensor on there asap if you drive it. Do you need one? I believe I have a few extras in the garage at least I think I do.....
Im sure that youll be fine with the timing you have but get a knock sensor on there asap if you drive it. Do you need one? I believe I have a few extras in the garage at least I think I do.....
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Another Turbo 2.8 in progress
back timing off from 32 to 30 , and change the top ve row to 175kpa
or delete the 80 kpa row and drop the other rows down , and add a 175kpa row between 150 and 200
timing in the 40-60 kpa and 2000-3000 rpm range will prolly get bumped by about 10* for best fuel milage under cruising actually that all dpends on if ur locking the converter and what rpm ur crusing at at the speedlimit were u are
or delete the 80 kpa row and drop the other rows down , and add a 175kpa row between 150 and 200
timing in the 40-60 kpa and 2000-3000 rpm range will prolly get bumped by about 10* for best fuel milage under cruising actually that all dpends on if ur locking the converter and what rpm ur crusing at at the speedlimit were u are
Last edited by project89; 07-02-2014 at 10:48 AM.
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
back timing off from 32 to 30 , and change the top ve row to 175kpa
or delete the 80 kpa row and drop the other rows down , and add a 175kpa row between 150 and 200
timing in the 40-60 kpa and 2000-3000 rpm range will prolly get bumped by about 10* for best fuel milage under cruising actually that all dpends on if ur locking the converter and what rpm ur crusing at at the speedlimit were u are
or delete the 80 kpa row and drop the other rows down , and add a 175kpa row between 150 and 200
timing in the 40-60 kpa and 2000-3000 rpm range will prolly get bumped by about 10* for best fuel milage under cruising actually that all dpends on if ur locking the converter and what rpm ur crusing at at the speedlimit were u are
Also why drop timing to 30 from 32? 32 should be plenty conservative to start
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Another Turbo 2.8 in progress
because changes in the timing table will make a change int he afr, and u made changes to both the ve and spark at the same time , so u may end up with some wildy lean or rich areas.bringing it back 2* will minimize the possibility of detonation or ping if it does happen to run lean in those areas
the thing to rember when making changes is to do one table at a time i.e spark table change, then datalog it , then adjust ve table, datalog it then change spark etc etc etc , never change both tables at once
#1419
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
yes drop the 200 line in both ve and spark to 175
because changes in the timing table will make a change int he afr, and u made changes to both the ve and spark at the same time , so u may end up with some wildy lean or rich areas.bringing it back 2* will minimize the possibility of detonation or ping if it does happen to run lean in those areas
the thing to rember when making changes is to do one table at a time i.e spark table change, then datalog it , then adjust ve table, datalog it then change spark etc etc etc , never change both tables at once
I wouldn't try to change both at the same time after getting these initial tables done. Basically Im using a different starting point, which is good cause it means Im picking up knowledge on the tuning, but regardless Ill back off total timing a bit. I kept the original tables so I have a fallback if I need it. Though all the datalogs and all but the final NA tune have been deleted.
So I have the final NA tune in case I need it and the original VE and SA tables. I do have a backup incase something isnt right.
Ill tweak the tables before I burn them though, renewing my license and plates tomorrow after taking the boat out, so I should have a log and some updates tomorrow. New oil return flange is already on the car, so I should just be able to burn and go once it warms up.
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Car: 1991 Camaro RS
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Transmission: ATI pro th350 sfi case. TSI 5500 st
Axle/Gears: Strange S60 4:10s
Re: Another Turbo 2.8 in progress
I think a new knock sensor is arround 25-30 bucks at AZ. I know I have extra one that works I could send ya for like 10 bucks or something. Or hit up a JY and get one off a 3.1L for cheep. Last thing I wana see is you wound the car because you cant see if its knocking and not having any knock retard control on the SA.
#1421
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
I think a new knock sensor is arround 25-30 bucks at AZ. I know I have extra one that works I could send ya for like 10 bucks or something. Or hit up a JY and get one off a 3.1L for cheep. Last thing I wana see is you wound the car because you cant see if its knocking and not having any knock retard control on the SA.
Ill update when its taken care of.
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Axle/Gears: Strange S60 4:10s
Re: Another Turbo 2.8 in progress
O damm. Sorry to hear it bud.
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Well screw it. Just because I dont have a license currently doesnt mean I cant work on the car. Besides, the cops in my small town wont give me crap for taking it up and down the road, its the county cops that I have to look out for.
Right now Im working on finalizing the intake. The hole in the intake up top will have an aluminum bung welded to it with a plug for the hole. This will be used when I pick up another IAT sensor for pre-turbine readings. The hole on the bottom(which cant be seen) may possibly be used for meth injection in the future, as long as it can be put pre-turbine, and doesnt have to be put post-turbine. For now, that hole will be plugged.
Also, I will be working on a "hood" I guess you would call it, to cover the filter to prevent underhood air from being sucked in. And cleaning up the hole in the battery tray.
Ill have updates, and maybe, just maybe I may have a video in a couple days.
Right now Im working on finalizing the intake. The hole in the intake up top will have an aluminum bung welded to it with a plug for the hole. This will be used when I pick up another IAT sensor for pre-turbine readings. The hole on the bottom(which cant be seen) may possibly be used for meth injection in the future, as long as it can be put pre-turbine, and doesnt have to be put post-turbine. For now, that hole will be plugged.
Also, I will be working on a "hood" I guess you would call it, to cover the filter to prevent underhood air from being sucked in. And cleaning up the hole in the battery tray.
Ill have updates, and maybe, just maybe I may have a video in a couple days.
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
I have as far as I know the biggest cone filter they make, If I take that brace out, it sticks out the bottom of the car, lol. So the brace is in the way, and I cant quite angle it to fit properly, so im making an airbox to seal the top from the engine bay. It will pull from under the car regardless though.
With the filter up against that brace, it still sticks out above the battery tray a little bit. No biggie, ill make it work.
With the filter up against that brace, it still sticks out above the battery tray a little bit. No biggie, ill make it work.
Last edited by willexoIX; 07-05-2014 at 07:31 PM.
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Another Turbo 2.8 in progress
dont inject meth pre turbo with an intercooler , its a big *** explosion waiting to happen
without an intercooler its not nearly as bad
without an intercooler its not nearly as bad
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Yes its ghetto, but its got meth in it. Also its cheap to buy a gallon of it and even cheaper to reuse the washer bottle and pump. Meth injection on the cheap.
If no, then what about water injection? Just trying to think of a future use of that second hole in the intake tube.
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Another Turbo 2.8 in progress
Even ghetto meth? As in blue washer fluid?
Yes its ghetto, but its got meth in it. Also its cheap to buy a gallon of it and even cheaper to reuse the washer bottle and pump. Meth injection on the cheap.
If no, then what about water injection? Just trying to think of a future use of that second hole in the intake tube.
Yes its ghetto, but its got meth in it. Also its cheap to buy a gallon of it and even cheaper to reuse the washer bottle and pump. Meth injection on the cheap.
If no, then what about water injection? Just trying to think of a future use of that second hole in the intake tube.
#1432
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Ah ok, I get it. So only if its injected after the intercooler. In that case the nozzle/line would need a check valve in it. I was trying to get around that by doing it pre-turbine, but I guess it wont work that way.
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Car: 1991 Camaro RS
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Transmission: ATI pro th350 sfi case. TSI 5500 st
Axle/Gears: Strange S60 4:10s
Re: Another Turbo 2.8 in progress
If you can find methenol at a race track its cheep too. 2.49 a gal for m1 at my local tracks which has no lubes in it. You can always delute it by weight if you want to.
Install a check valve right before the nozzle so that the line always has a little pressure in it. My aem one holds about 5psi of pressure before it cracks opens up.
Install a check valve right before the nozzle so that the line always has a little pressure in it. My aem one holds about 5psi of pressure before it cracks opens up.
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
So I know it really has nothing to do with the thread, aside from not having a license to drive the car. But in making all these phone calls to get the license taken care of, I find out my license has been suspended since 2010, and I have had a warrant for the same amount of time.
Guess Florida doesnt care too much about New Jersey, cause when I got pulled over, neither was ever mentioned, and after the ticket was issued, the cop told me to have a nice day. Interesting.
Its gonna cost about $200 to get it back, so hopefully Ill be able to come up with that soon.
Guess Florida doesnt care too much about New Jersey, cause when I got pulled over, neither was ever mentioned, and after the ticket was issued, the cop told me to have a nice day. Interesting.
Its gonna cost about $200 to get it back, so hopefully Ill be able to come up with that soon.
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Just looking for some feedback on this revised spark table. I scaled it back a little, pulled timing because as was previously mentioned, I do not have a knock sensor.
Pulled max timing from 32° to 30°, and backed some of the other cells down as well. Also switched the upper KPA row from 200 to 180.
And a contour plot
If all looks good then I will wait to mess with the VE table, and use this spark table as a starting point instead of the one I am currently using. Once I transfer this table over I will see how rich it runs, and if it runs equally rich all over as it did before, then I will scale the VE table down in increments of .01 until its close but still rich, then fine tune the different parts of the table. IE, idle, off boost, on boost etc...
Pulled max timing from 32° to 30°, and backed some of the other cells down as well. Also switched the upper KPA row from 200 to 180.
And a contour plot
If all looks good then I will wait to mess with the VE table, and use this spark table as a starting point instead of the one I am currently using. Once I transfer this table over I will see how rich it runs, and if it runs equally rich all over as it did before, then I will scale the VE table down in increments of .01 until its close but still rich, then fine tune the different parts of the table. IE, idle, off boost, on boost etc...
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Also small update on the oil return leak I was having. I havent taken it out yet, but after moving it around the yard the new oil drain flange doesnt show any leaks, even after sitting like the old one did.
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
And while I'm at it, this is the best I could get with the intake.
Working on making a lid for it by adding sides and a back to this piece of steel.
And switching the aluminum bung to the bottom hole because the lid will block the top hole from having a AIT sensor in it. Then using the silicone plug to block the top hole.
Then if I can finally seal the leaks in the washer bottle I can finally put that back in, if I can remember where I put it, lol.
Working on making a lid for it by adding sides and a back to this piece of steel.
And switching the aluminum bung to the bottom hole because the lid will block the top hole from having a AIT sensor in it. Then using the silicone plug to block the top hole.
Then if I can finally seal the leaks in the washer bottle I can finally put that back in, if I can remember where I put it, lol.
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Okay, heres a question for you guys. AIT sensor is in between the IC and TB, it was wet when I pulled it out, looked and smelled like fuel, but could have been condensation. Pretty sure it wasnt oil as I pulled a few plugs and they looked good. A little black only on the gap side, but completely dry, and the other side of the insulator is still white.
Chasing ghosts? I assume nothing to worry about. About to put that revised spark table in the MS and fire it up.
Chasing ghosts? I assume nothing to worry about. About to put that revised spark table in the MS and fire it up.
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Another Turbo 2.8 in progress
My first aluminum weld.
Attachment 280206
I only did tacs cause I was too worried about blowing through. And constantly used a stainless brush to clean before each weld.
Attachment 280206
I only did tacs cause I was too worried about blowing through. And constantly used a stainless brush to clean before each weld.
well i can honestly say ive seen worse , get some scrap aluminum and practice
u will prolly want to put some epoxy or something around those welds to seal up any pinholes.
or grind them down and try again
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
I practiced with an extra piece of the same aluminum intake. Practice welds came out almost perfect. The thicker aluminum bung was sinking too much heat. Thats also on a vacuum section of intake, not a pressure side. Right behind the filter where Ill put a second AIT sensor when I get another one. Its just got the stainless plug in it for now.
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
So I loaded up that revised spark table and I didnt really have to press the pedal to keep it running but once after cranking. It started going lean and stumbling, so I tapped it once to richen it up and it picked back up on its own after that.
Before I had idle AFR right at 14.7, with the new spark table it went back to 13.1~.7. So I think I should be able to start backing the VE table down once I either get my dad to drive it for me while I tune, or I get my license back the beginning of next month.
Still no oil leaks that I can see aside from a tiny bit of seepage by the threads of the restrictor. Maybe a tiny drop from idling till it was completely warmed up. Oh, and the passenger side valve cover still
Also need to stick a couple pieces of electrical tape around the base of the PCV valve, it keeps backing out of the valve cover grommet cause the hose I used on the check valve pulls up a little bit. It never comes completely out though.
Before I had idle AFR right at 14.7, with the new spark table it went back to 13.1~.7. So I think I should be able to start backing the VE table down once I either get my dad to drive it for me while I tune, or I get my license back the beginning of next month.
Still no oil leaks that I can see aside from a tiny bit of seepage by the threads of the restrictor. Maybe a tiny drop from idling till it was completely warmed up. Oh, and the passenger side valve cover still
Also need to stick a couple pieces of electrical tape around the base of the PCV valve, it keeps backing out of the valve cover grommet cause the hose I used on the check valve pulls up a little bit. It never comes completely out though.
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
I got the stalling on hot start issue resolved. I am thinking about making the venture into EGO correction, made an initial AFR target table.
Keep in mind that this is an initial table, it will probably be tweaked before I start using ego correction, but I think they are good starting targets.
What do you think guys?
Keep in mind that this is an initial table, it will probably be tweaked before I start using ego correction, but I think they are good starting targets.
What do you think guys?
#1445
Re: Another Turbo 2.8 in progress
I got the stalling on hot start issue resolved. I am thinking about making the venture into EGO correction, made an initial AFR target table.
Attachment 280761
Keep in mind that this is an initial table, it will probably be tweaked before I start using ego correction, but I think they are good starting targets.
What do you think guys?
Attachment 280761
Keep in mind that this is an initial table, it will probably be tweaked before I start using ego correction, but I think they are good starting targets.
What do you think guys?
#1446
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
I have switched over to using tunerstudio instead of megatune, just wish I had the 50 bucks to register it so I could use autotune. I have learned a great deal about tuning and know now how to dial in the acceleration enrichments and the manifold air temp correction table. But I can't do much with those until that VE table is tuned and smoothed out and I can't exactly take the car out for a drive.
Since I am having such a hard time getting an answer over there I will ask it here and see if anyone will have any input.
Would the difference between falling edge and rising edge for the spark trigger be 10°? I am at the point where I want to figure out the reason that the car is 10° off, instead of bumping the dizzy one tooth to make up the difference. I mean it runs the same timing wise as it did before, I just want to square away the base issue instead of compensating for it.
#1447
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Re: Another Turbo 2.8 in progress
So today I was getting a log for Matt Cramer on the MS forums of the stalling issue on cold and hot start. When I started it cold, to my surprise it stumbled to 18AFR, but didn't stall like usual. So I let it warm up then shut it off to heatsoak for a hot start. Of course it wouldn't start at all. Should the cranking timing be .9 degrees? Doesn't seem right to me. After I came inside and loaded the log up for the forums, I went back out and cranked it and it started, but didnt want to run unless I ran it at 2000rpms; any lower would lean out to 18+AFR and stumble.
Also found another oil leak at the start of the feed line, can't tell for sure where its coming from, but its in the general area of the T by the oil filter. The one where the stock oil sending unit went. Coming off of that is the feed line, and also the copper line for my mechanical oil gauge. Leaks a handful of drops on first start, once it burns off the crossover pipe, it doesn't seem to leak anymore.
Soon I will pick up 6ft of 1/4 inch steel braided line for it. If not I am going to do 1/4 inch copper line.
Also found another oil leak at the start of the feed line, can't tell for sure where its coming from, but its in the general area of the T by the oil filter. The one where the stock oil sending unit went. Coming off of that is the feed line, and also the copper line for my mechanical oil gauge. Leaks a handful of drops on first start, once it burns off the crossover pipe, it doesn't seem to leak anymore.
Soon I will pick up 6ft of 1/4 inch steel braided line for it. If not I am going to do 1/4 inch copper line.
#1448
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Re: Another Turbo 2.8 in progress
Won't have any further updates until I get some hard copper line for the oil feed. Not going to use anything rubber, regardless if its rated for that usage. The fuel injection clamps I was using because I wanted better clamping, wound up pinching the hose and that's where the leak was. So I cut the end of the hose off and put 2 regular hose clamps on and it leaks even worse now than it did before. So its going to be replaced with solid copper 1/4 ID line. $.99 a foot and I just have to grab the fittings for it.
After that. It won't leak at all.
Also started using VEAnalyze, Pretty happy with the results thus far only using it at Idle. Getting perfect AFRs at idle. Also found out that the priming pulse was too low, and afterstart enrichment was off; so now it starts perfectly without stumbling or stalling. After that I saw the smoke from the oil leak, looked under the car, and saw the oil streaming out so I shut it off.
After that. It won't leak at all.
Also started using VEAnalyze, Pretty happy with the results thus far only using it at Idle. Getting perfect AFRs at idle. Also found out that the priming pulse was too low, and afterstart enrichment was off; so now it starts perfectly without stumbling or stalling. After that I saw the smoke from the oil leak, looked under the car, and saw the oil streaming out so I shut it off.
#1449
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Another Turbo 2.8 in progress
crap sorry i aint been around man , been busy trying to get my car ready for boneville
how did after start end up being turned off?
how did after start end up being turned off?
#1450
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Picked up some 1/4 inch copper line today with some 90° elbow flare fittings. Going to do double flares on both ends of it. Did a crapload of research on using copper line so I also grabbed some adel clamps, going to do a loop in the middle of the copper line, and also going to bend it as little as possible. Instead of going behind the motor, I will go to the front, figuring out the routing as I go. That is subject to change when I start on the routing tomorrow.
Other than that, I just can't wait to drive it again and get the VE table taken care of. I will also know whether or not the SA table is alright. If the SA is good then I won't touch it until I invest in a knock sensor and get some spark knock retard system in place. At most I will only shoot for 15-15.5 AFR under cruise and save the rest for getting a knock sensor. I will keep low timing and more fuel under boost.