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Single turbo 352 iroc 1000hp or bust the grand finale

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Old 08-23-2015, 06:20 PM
  #251  
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by project89
the direct drum was easy to modify , only had to drill a .050 hole in the drum
and i machined the piston for the clearance needed for the extra steel and clutch


we assembled the intermediate but the drum was worn were the torrington bearing had siezed so we had to swap out the intermediate drum for one out of the th350c , pressed the shafts out no problem to swap them , and when we pressed the th350 input shaft into the th350c drum the drum broke

alls thats left to do is swap the shaft over to the drum my friend had and then reinstall the intermediate clutch pack in the drum and then it will literally take 30 mins to finish assembling the trans

if the bellhousing bolts onto the unit without needing extra clearance it wont take long at all


the good news is if i ever break the th350 we will be pros at rebuildinig it by the time this is done
The internals of the transmission is actually pretty easy.

It's the valve body that screws me up


I think I'm taking my turbo back off. And doing something else. I just don't like the way the exhaust is routed and I'm sick of remaking down pipes and crossovers. My hydroboost and spall fan setup take up too much room in the engine bay.

Might just run n/a for a few months and do twins or something next spring.


-- Joe
Old 08-23-2015, 07:39 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by anesthes
The internals of the transmission is actually pretty easy.

It's the valve body that screws me up


I think I'm taking my turbo back off. And doing something else. I just don't like the way the exhaust is routed and I'm sick of remaking down pipes and crossovers. My hydroboost and spall fan setup take up too much room in the engine bay.

Might just run n/a for a few months and do twins or something next spring.


-- Joe
ur so close to having it done just stick with it and it will pay off big time

the valve body or atleast that transbrake vb is super simple , i.e no checkballs , bolt it on and go lol
Old 08-24-2015, 07:09 AM
  #253  
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by project89
ur so close to having it done just stick with it and it will pay off big time

the valve body or atleast that transbrake vb is super simple , i.e no checkballs , bolt it on and go lol
Problem I have is, I've got exhaust tubes within 3/4" of power steering hose, fans, etc. The P/S I can't fix easily because it's right at the return nipple. I'd have to plug that return and re-tap it somewhere.

I started doing the rest of the downpipe last night, and snaking it around the transmission / BMR torque arm is a nightmare.

-- Joe
Old 08-24-2015, 11:17 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

heat barrier tape on the hoses and it will be fine , or header wrap , or even both and u wont have issues

theres is also a manual steering box for sale in the classifieds for like 115$ shipped or something close to that

Last edited by project89; 08-24-2015 at 11:39 AM.
Old 08-24-2015, 11:57 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by project89
heat barrier tape on the hoses and it will be fine , or header wrap , or even both and u wont have issues

theres is also a manual steering box for sale in the classifieds for like 115$ shipped or something close to that
I've got hydroboost. That's the problem.

I'll look at it tonight. Sometimes I want to finish the car. sometimes I want to part it out

-- Joe
Old 08-24-2015, 12:06 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by anesthes
Sometimes I want to finish the car. sometimes I want to part it out

-- Joe
If you do, although I'd definitely rather see you finish it Joe, I might know some locals who just might be interested in the system you put up for sale. I say go for it though, you put a lot of work into it, at least see how it turns out first before taking it apart...
Old 08-24-2015, 12:10 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by anesthes
Problem I have is, I've got exhaust tubes within 3/4" of power steering hose, fans, etc. The P/S I can't fix easily because it's right at the return nipple. I'd have to plug that return and re-tap it somewhere.

I started doing the rest of the downpipe last night, and snaking it around the transmission / BMR torque arm is a nightmare.

-- Joe
As close as it is in my car and i have no issues. I use lots of wrap and heat insulation material around close points
Old 08-26-2015, 05:59 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by Orr89RocZ
As close as it is in my car and i have no issues. I use lots of wrap and heat insulation material around close points

yeah a lil bit of wrap really helps , ive had a few cars with downpipes and hotside pipes very close to things and never had an issue except for one car and that was me catching my arm on a 2 inch section of pipe that wasnt wrapped
Old 08-27-2015, 05:17 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Well, I'm going to try and finish it next week. I've got a plan, just need to set aside some time to get into the shop and do it.

The other issue, my WG is open to atmosphere right now. Need to figure a way to tie it into the downpipe.

-- Joe
Old 08-27-2015, 11:05 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by anesthes
Well, I'm going to try and finish it next week. I've got a plan, just need to set aside some time to get into the shop and do it.

The other issue, my WG is open to atmosphere right now. Need to figure a way to tie it into the downpipe.

-- Joe
why not just leave it to atmopshere if its the noise a section of 1ft dump tube on it pointed at the ground will quiet it down
Old 08-27-2015, 11:32 AM
  #261  
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by project89
why not just leave it to atmopshere if its the noise a section of 1ft dump tube on it pointed at the ground will quiet it down
If the inspection station notices it, he will fail it for safety. I do have plates on the car.

-- Joe
Old 08-27-2015, 01:33 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by anesthes
If the inspection station notices it, he will fail it for safety. I do have plates on the car.

-- Joe
must be strict were u are , i always ran mine without dump tubes never had anything said about it.

i would try with just dump tubes running down near the ground at first , everything is so tightly packed in a 3rdgen he prolly wont even be able to see were there going
Old 09-03-2015, 06:52 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

15 days and counting
its going to be a thrash and a half

heres my workaround for not having enough line to do the rear fuel crossover
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i just used black pipe for now so i could see how long i needed to make a piece
this weekend i will machine a solid 1 piece extension on the lathe

the body is back together for the most part just really dusty
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the engine is ready to drop in , i just need to move the proportioning valve twards the fender about a half inch , this ill do tommorow right before i drop in the engine

my buddy will be back in town tommorow hopefully we wont have any more stupid issues withthe trans and that will be done tommorow or saturday morning and in the car so i can fab up the x member and tq arm mount

i need to completly wire up the ecm
need to wire up the trans brake so i can have reverse ( wont be using the transbrake at the track )
couldnt afford to get a set of slicks in time so will be making the shake down runs on street tires , unless i can find a set to borrow

need to straighten and level the fmic just a tad
and last but not least i need to put the interior back together , though i dont have to finish this before the race
Old 09-04-2015, 07:38 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Not a real fan of the fuel line wrapping around the distributor like that, but it is what it is. Just be sure to have a fire extinguisher in the car when you start messing around with it on the street Dave...
Old 09-04-2015, 07:40 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Why not just buy some fittings to make it work. Fuel system should be done right. Get a couple straight couplers to make up the length.

What size is that? -6?

Or can you do the crossover in front like hsr's usually are
Old 09-04-2015, 08:42 AM
  #266  
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

why are you running the crossover in the rear?

HSR runs it in the front. Figured you'd do the same.

-- Joe
Old 09-04-2015, 09:52 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by Orr89RocZ
Why not just buy some fittings to make it work. Fuel system should be done right. Get a couple straight couplers to make up the length.

What size is that? -6?

Or can you do the crossover in front like hsr's usually are
yeah its -6 problem is witht he stock market taking a hit like it has my monlthy dividend payouts were only 40% of normal money is tight and with only 14 days till i go racing im strapped for funds
i was lucky to be able to put away enough money for the fuel bill to towe the car down and back + entry fee and a lil extra

even if i left the black pipe theres nothing wrong with it other then being ugly the an fitting into the rail is a pipe to an fitting , ill get it fixed the right way eventually , im going to try to machine a new extension out of aluminum on the lathe this weekend

Originally Posted by anesthes
why are you running the crossover in the rear?

HSR runs it in the front. Figured you'd do the same.

-- Joe
i dont like the fuel line routing to the rear of the rails so i take my feed and return off the front

eventually ill do a hardline crossover in the rear n when i replumb the car with -8 lines

Last edited by project89; 09-04-2015 at 10:01 AM.
Old 09-04-2015, 09:56 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

How long a piece of line is needed?
Old 09-04-2015, 10:00 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by Orr89RocZ
How long a piece of line is needed?
the pipe extension i made added 3 inches total , dont know the overall measurement of the line , i can check later as im about to head to the farm to start hauling hay bails off the field and the car is in the shop down there
Old 09-04-2015, 01:34 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

17 inches end to end accounting for the extension
looked at it real quick before lunch break if i tho\row the extension on the other side the hose will go down around the base of the distributor
Old 09-04-2015, 05:42 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

I was looking to see if i had any 6 left but all i got is 4 and some -10
Old 09-04-2015, 06:25 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by Orr89RocZ
I was looking to see if i had any 6 left but all i got is 4 and some -10
i threw the extension ont he other side and its 1000x better line goes down and unde the distributor not even with the cap like before so im just going to leave it for now.

ill post a picture when i get back home

the main focus is doing whats needed to get this thing to the drag races on the 19th/20th

after that i can order up some more lines and fittings to fix it

the other update is the motor is ready to go in the car , i could have put it in after hauling the hay but if we finish my transmission tonight i wanna put the motor and trans in as one unit which will save some time in the long run

the 2 last big things i have to do once the motor and trans go in this weekend is weld in the new radator cradle which ill do once i get the turbo mounted up so i can position it with enough room for the turbo stuff

and i need to fab a tq arm mount for the th350

other then that its all mihnor lil bs stuff that 2 weeks is plenty to finish

should leave me enough time to get a base tune dialed in on the street to hit the track with so i dont have to start from a really really rough tune since i dont know how many passes ill get
Old 09-04-2015, 08:08 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

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there we go
Old 09-05-2015, 12:58 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by project89

and i need to fab a tq arm mount for the th350





Haven't run a factory style torque arm since the 90's.

-- Joe
Old 09-05-2015, 06:28 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by anesthes




Haven't run a factory style torque arm since the 90's.

-- Joe
i havent done nothing witht he tq arm yet as im building a diy dana 60 so im going to have to fab my own arm anyways down the road

for now im just going to weld up something to mount the stock style mount to the crossmember
Old 09-05-2015, 11:13 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

trans is completed , ill post up some pics in a bit , the only thing not done onthe trans is the instalation of the tailshaft housing , i need to look online tonight and see which speedo gears i need to install for the 2:73's so i just left the housing off it tongiht
Old 09-05-2015, 11:56 PM
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Old 09-06-2015, 12:39 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

heading back tot he shop to work on the car going to start working on fabing the xmember for the th350 and tq arm today since i dont have any help today , and ill install the ecm and other various electrical stuff i need to do on the car so the engine can be fired up and broken in tomorrow

the last 3 big jobs ill need to complete after today are

#1 installing the hood pins since the car no longer has a hood latch
#2 positioning and ind installing the new radiator cradle
#3 deciding is i wasnt to do a fender exit on the downpipe infront of the passenger side front tire or if i want to runt he downpipe down the side of the motor and behind the passenger side front tire

im deffinatly in good shape to make the drag races on the 19th barring and unforseen issues


there is one thing im unsure about still
and thats if i want to cvhange the breaking oil right after breaking or leave it int he motor for a trip to the track as well

the comp cams breakin oil bottle reads that the oil is good for breakin + 500 street miles or one night of drag racing , so not sure what to do just yet
Old 09-06-2015, 04:23 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

shouldnt be much longer now
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Old 09-06-2015, 05:15 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

You didn't paint the hood hinges? Should at least hit them with black spray paint...
Old 09-06-2015, 05:30 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by Street Lethal
You didn't paint the hood hinges? Should at least hit them with black spray paint...

ive got new hinges comming those are worn out , when they get here ill spray those the side mirrors and the spoiller the same as the car , prolly going to do the engine bay over the winter as well , as im making a change to a rear facing intake and a2w intercooler setup , so ill be pulling the engine again when the snow starts to fly
Old 09-06-2015, 09:22 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

got some more done , will have the trans in tommorow and be ready to break in the engine
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Old 09-06-2015, 10:11 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by project89
got some more done , will have the trans in tommorow and be ready to break in the engine


I like that hotside
Old 09-06-2015, 10:24 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by 34blazer
I like that hotside
it will be for sale this winter , im switching to twin 70 or 76mm turbos
Old 09-07-2015, 02:57 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

You change hotside more often than i change oil haha. Nothing wrong with that single tho! But i do like twins
Old 09-08-2015, 06:21 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by Orr89RocZ
You change hotside more often than i change oil haha. Nothing wrong with that single tho! But i do like twins
I wish I did twins. I actually think the plumbing would have been easier.

I wouldn't be doing twin T70s though, I'd break the 400 block...

I still have a pair of stainless twin manifolds in the shop. Just need to rework them to fit under the hood.

-- Joe
Attached Thumbnails Single turbo 352 iroc 1000hp or bust the grand finale-twin.jpg   Single turbo 352 iroc 1000hp or bust the grand finale-twins_cooler.jpg  
Old 09-08-2015, 02:25 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

11 days to go and i just found out i need special valve body gaskets for the trans sigh
getting them ordered today , the trans is also in the car finally , im just going to leave the converter unbolted from the flexplate for now so i can get the engine broken in

Last edited by project89; 09-08-2015 at 02:42 PM.
Old 09-09-2015, 07:51 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Seems you have a lot left to go from the pics, hotside looks spot welded only in some areas still, hopefully by the time I am writing this it was finished up already. Is your cold side sorted out yet? How is the MS wiring coming along...?

- Rob

Edit: Dave, how are you planning to run the waterneck hose, steel tubing wrapped over or under the hotside?

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Last edited by Street Lethal; 09-09-2015 at 09:08 AM.
Old 09-09-2015, 09:27 AM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

i bought a bunch of stainless 304 tubing so i could fab a upper radiator hose ive also got a diff thermostat housing witht he outlet that points in a better direction
the ms is wired just need to plug it all in , and do the final welding on the hotside
Old 09-09-2015, 01:48 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

got a lil more done

modified the stock crossmember to fit the th350 , need to box it back in to reinforce it
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waiting on my extra capacity cast pan and new vb gaskets to get there ,later today ill work on the tq arm mount should be really simple to do

also started to fit the new radiator cradle got tons of room witht he radiator pushed so far foward
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got a lil trimming to do for a good fit and should get the new craddle welded in today , and im also hoping to have the hotside welded up and downpipe finished tonight

not bad for doing what i can in between hauling hay off the fields each trip i get about 10-15 mins to work on the car while they unload the hay off the trailer
Old 09-09-2015, 02:06 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

You're cutting it very close, too much to do, very little time to do it...
Old 09-09-2015, 02:11 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by Street Lethal
You're cutting it very close, too much to do, very little time to do it...

its not as much to do as it seems but yeah its going to be close , after lunch i should have a good 4-5 hours i can focus on the car , and not have to do stuff on the farm


if i can fire the engine on friday or saturday ill be in good shape
Old 09-09-2015, 02:50 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Just keep getting things done. Pick at it one section at a time. Worry about firing motor when its done. Doesnt take much to break it in. Big thing is can the tune be done quickly to get car race ready in time?
Old 09-09-2015, 02:54 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by Orr89RocZ
Just keep getting things done. Pick at it one section at a time. Worry about firing motor when its done. Doesnt take much to break it in. Big thing is can the tune be done quickly to get car race ready in time?

it still has the tune from the twins and old cam in it which was really rich , should be a decent starting point for the new cam and single so atleast i wont have to start from scratch on that and auto tune should atleast get me close really quick

anyone know how much to cut off the front coil springs for a 3/4-1 inch drop ?
with the new aluminum heads , and the single turbo setup the front of the car is up way to high , not really important i get that done before the race but if i have time id like to tackle that

heading back now for a few hours to work on the hotside and downpipe
Old 09-09-2015, 03:09 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by project89
anyone know how much to cut off the front coil springs for a 3/4-1 inch drop ?
Cutting 1/2 of one of the coils on the spring will give you approximately 1" of drop...
Old 09-09-2015, 06:50 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

hotside is fully welded minus welding the tubes for the wastegates im running twin 38mm gates on this one , downpipe is tacked up , and the cold side from the intercooler to tb is also done. i got half the electrical back in the car , was so hot in the shop i just had to call it quits. ran out of the shop so fast today i forgot to snap pics but ill grab some in the morning and post then up at lunch time
Old 09-09-2015, 09:12 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

i just wanna add that if anyone needs to look into trans parts give huges a call , ive dealt with many aftermarket companys over the years and i can honestly say hughes has gone above and beyond anything i would ever expect out of any company , in terms of support and customer service.

anything trans wise i ever need will be threw hughes from now on
Old 09-09-2015, 09:40 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Shameless plug lol...

When will she be running, this weekend for sure...?
Old 09-09-2015, 10:05 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

Originally Posted by Street Lethal
Shameless plug lol...

When will she be running, this weekend for sure...?
that plug was totally honest , they went way above and beyond for me

right now my shoulder i injured when i wrecked my bike is killing me,if it doesnt slow me down i should have the car running friday night or saturday morning , im really close to having the car done , the biggest thing atm is the radiator hoses and reinstalling the megasquirt , which honestly isnt that big of a deal

im confident that i will make the races on the 19th

its just a shame i dont have the money for a set of slicks or mt pro drag radials. not that it matters the cage isnt installed , so ill see how fast of a pass i can put down on street tires at 7-12 psi and see if i cant manage to get kicked out , though i doubt it those bfg radial ta's are upto the task of getting the power to the ground, im sure im sure they will spin all the way down the track

but they are holding 2 more races before jan so i should have something before then

Last edited by project89; 09-09-2015 at 10:08 PM.
Old 09-09-2015, 10:19 PM
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Re: Single turbo 352 iroc 1000hp or bust the grand finale

You would have had it done months ago had you still lived here, its a shame you're on your own over there. I'm waiting on you brother, mine is done and ready to go. Exhaust is a wrap, re-tuning is complete, but won't post anything until I find time for the track, or until yours is at least moving under its own power. You running 12-psi with a solid sixty foot, and holding the throttle down without lifting should net you sub 11.50 times very easily, in fact I would be shocked if you run any slower than that...


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