What can I do to help out my LG4's performance?
08-02-2001, 03:16 PM
#1
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Car: 4 Mopars total
Engine: Pentastar power
Transmission: T/F and New Process
Axle/Gears: Three 8 3/4's & one 9 1/4
What can I do to help out my LG4's performance?
Its in an 83 T/A. All stock, automatic. What do these run stock and what can I do to spice it up a little? Cam? Gears? Help me out guys 
08-02-2001, 04:12 PM
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Car: 4
Engine: 6
Transmission: 5
That car should run mid-high 16s stock.
Bottleneck #1 is the exhaust, every single piece of it from the heads to the street. Get rid of it all. Put a set of headers on it, such as Edelbrock TES or SLP or other decent-quality ones made specifically to fit one of these cars. However, DO NOT get the ones for the LG4 application, as they will be made so as to be compatible with the pencil-neck crap already there. Get the ones for a later-model TPI application, something like a 91 305 with single cat, as the other parts for that are easier to get. Get a cat for the same thing, and a cat-back.
You won't notice much difference. Some maybe but not much. Next bottleneck is the cam. Your motor has the tiniest, most anemic thing I know of the factory ever putting in a SBC motor. It is actually less cam than the one they used in late 70s 350s that made them have all of 165 HP. Get rid of it, and put in a Comp XE262H.
Between those 2 things, you should pick up about 60 HP, maybe a good bit more, without sacrificing gas mileage, emissions compatibility, or anything else.
The next thing you could do would be to increase the compression. Unfortunately this would require new pistons, which means a complete rebuild which is probably not worth it.
The LG4 in 83 was rated at 145 HP, the L69 as I have was rated at 190 HP (in the Z28 anyway, it was less in the Firebird because the Pontiac bodywork is so stupidly engine-hostile). They have the same heads, block, crank, and intake. The differences are the exhaust, cam, air cleaner, electric fan instead of clutch fan (worth installing on your car too BTW), gears (all HO cars came with 3.73s), flat-top pistons instead of dished, and a few other things. Exhaust and cam in the factory configuration was most of that 45 HP difference.
------------------
"So many Mustangs, so little time..."
ICON Motorsports
[This message has been edited by RB83L69 (edited August 02, 2001).]
Bottleneck #1 is the exhaust, every single piece of it from the heads to the street. Get rid of it all. Put a set of headers on it, such as Edelbrock TES or SLP or other decent-quality ones made specifically to fit one of these cars. However, DO NOT get the ones for the LG4 application, as they will be made so as to be compatible with the pencil-neck crap already there. Get the ones for a later-model TPI application, something like a 91 305 with single cat, as the other parts for that are easier to get. Get a cat for the same thing, and a cat-back.
You won't notice much difference. Some maybe but not much. Next bottleneck is the cam. Your motor has the tiniest, most anemic thing I know of the factory ever putting in a SBC motor. It is actually less cam than the one they used in late 70s 350s that made them have all of 165 HP. Get rid of it, and put in a Comp XE262H.
Between those 2 things, you should pick up about 60 HP, maybe a good bit more, without sacrificing gas mileage, emissions compatibility, or anything else.
The next thing you could do would be to increase the compression. Unfortunately this would require new pistons, which means a complete rebuild which is probably not worth it.
The LG4 in 83 was rated at 145 HP, the L69 as I have was rated at 190 HP (in the Z28 anyway, it was less in the Firebird because the Pontiac bodywork is so stupidly engine-hostile). They have the same heads, block, crank, and intake. The differences are the exhaust, cam, air cleaner, electric fan instead of clutch fan (worth installing on your car too BTW), gears (all HO cars came with 3.73s), flat-top pistons instead of dished, and a few other things. Exhaust and cam in the factory configuration was most of that 45 HP difference.
------------------
"So many Mustangs, so little time..."
ICON Motorsports
[This message has been edited by RB83L69 (edited August 02, 2001).]
08-02-2001, 05:54 PM
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i think the exhaust might add more than what you said (we'll see when i do mine in a few days...), i was looking at a buildup the other day and a stock LG4 with headers and 3" exhaust put out like 197hp and 260ft/lbs....just a thought
08-02-2001, 06:17 PM
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Car: 94 Z28
Engine: LT1 w/ headers, catback, CAI, tune
Transmission: 4L60E
Axle/Gears: 3.23s
Don't forget at least a Performer intake after the exhaust while you're doing the cam. It's worth 15hp with the stock cam, a Perf RPM is worth another 15 hp over that (still stock cam).
Check out this article on my site.
They started out with 197hp from the LG4 with a good full exhaust. 216 with a Performer, 230 with a RPM. Got up to around 270 hp with a XE262 Cam (that was with a single plane intake though, which made no more power than the Perf RPM prior to the cam swap, may have made more with the hotter cam) That is all with the stock heads. They finally swapped on some Vortecs and made 325hp...
Here's the link to it www.inter-scape.com/ray/305buildup.htm
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Ray87Z
-Vortec headed 350.
86 IROC w/ a cammed 305 TPI.
Formerly Ray86IROC.
www.inter-scape.com/Ray
[This message has been edited by Ray87Z (edited August 02, 2001).]
Check out this article on my site.
They started out with 197hp from the LG4 with a good full exhaust. 216 with a Performer, 230 with a RPM. Got up to around 270 hp with a XE262 Cam (that was with a single plane intake though, which made no more power than the Perf RPM prior to the cam swap, may have made more with the hotter cam) That is all with the stock heads. They finally swapped on some Vortecs and made 325hp...
Here's the link to it www.inter-scape.com/ray/305buildup.htm
------------------
Ray87Z
-Vortec headed 350.
86 IROC w/ a cammed 305 TPI.
Formerly Ray86IROC.
www.inter-scape.com/Ray
[This message has been edited by Ray87Z (edited August 02, 2001).]
08-02-2001, 07:02 PM
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Car: 4 Mopars total
Engine: Pentastar power
Transmission: T/F and New Process
Axle/Gears: Three 8 3/4's & one 9 1/4
That sounds pretty good. I dont want to tear into the motor because it has 68,000 original miles and the car is immaculate. Id just like to run mid-to high 15's with it without compromising driveability, gas mileage or emmissions. It feels faster that mid-high 16's though. I guess there's one way to find out.... . But anyway, where is the RPO sticker in an 83 to tell me all my options? Do you guys think just a cam would help me out at all because im kind of short on funds right now. Any other ideas??? THX
. But anyway, where is the RPO sticker in an 83 to tell me all my options? Do you guys think just a cam would help me out at all because im kind of short on funds right now. Any other ideas??? THX
08-02-2001, 07:24 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Don't forget air cleaner. The single snorkel LG4 piece is pretty bad. An open element will improve breathing, a dual-snorkel from an L69 will be emissions-legal as well.
I have run high 16's with an open element (and open 3.08 rear) at 5800' (8500' altitude equivilent when temp, baro, humidity factored in). Hope to make runs with the new intake & rear next week. Yes, it feels faster, but those RPM's above 4500 come mightly slowly.
------------------
82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4. 2.93 limited slip. Cat-back from '91 GTA, ZZ3 intake, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 w/'87 LB9 block, ZZ3 cam, ported World 305 heads, Hooker headers & y-pipe, 3" Catco cat & 3" cat-back).
57 Bel Air, my 1st car. '66 396, 9.7 CR forged TRWs, Weiand Action+, Edelbrock 1901 Q-Jet, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 600 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
I have run high 16's with an open element (and open 3.08 rear) at 5800' (8500' altitude equivilent when temp, baro, humidity factored in). Hope to make runs with the new intake & rear next week. Yes, it feels faster, but those RPM's above 4500 come mightly slowly.
------------------
82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4. 2.93 limited slip. Cat-back from '91 GTA, ZZ3 intake, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 w/'87 LB9 block, ZZ3 cam, ported World 305 heads, Hooker headers & y-pipe, 3" Catco cat & 3" cat-back).
57 Bel Air, my 1st car. '66 396, 9.7 CR forged TRWs, Weiand Action+, Edelbrock 1901 Q-Jet, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 600 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
08-03-2001, 01:23 AM
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Car: 4 Mopars total
Engine: Pentastar power
Transmission: T/F and New Process
Axle/Gears: Three 8 3/4's & one 9 1/4
Thanks for the input. But what do you think it would take for me to run in the 15.6-15.7 range? Im going to go with a cam though
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08-03-2001, 03:19 AM
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<font face="Verdana, Arial" size="2">Originally posted by five7kid:
...those RPM's above 4500 come mightly slowly.
</font>
...those RPM's above 4500 come mightly slowly.
</font>
4500?! I'm waitin' for a rod to come through my hood at around 4 grand - 4200!
------------------
`85 Z28
Bosch Platinum +4s & a nice stereo
Otherwise stock.
Don't ever be: Found On Road Dead!
08-03-2001, 03:33 AM
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Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
<font face="Verdana, Arial" size="2">Originally posted by witchdr:
4500?! I'm waitin' for a rod to come through my hood at around 4 grand - 4200!
</font>
4500?! I'm waitin' for a rod to come through my hood at around 4 grand - 4200!
</font>
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'82 Z28
LG4 305 .030 over, performer intake, holley street avenger 670, xe 256 cam, tes headers, 3 inch single exhaust, spintech muffler, 14 x 3 inch drop base k&n.
08-03-2001, 01:14 PM
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Car: 1984 Trans Am
Engine: Vortec 355
Transmission: TH-700R4
Axle/Gears: GM Axles and GM 3.73
hey i would say it wouldnt take much
cuz im runnin high 15's on my stock L69 with only a k&n airfilter.......i also think it might b outta tune
so i bet the cam and intake would do it for your easily if you get a good combo
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84TA T-tops L-69 305HO TH-700R4 stock 190hp and 240 ft-lbs.
new best E.T. (dont laugh) 15.986 @84.93mph
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http://www.geocities.com/K_towngangsta
cuz im runnin high 15's on my stock L69 with only a k&n airfilter.......i also think it might b outta tune
so i bet the cam and intake would do it for your easily if you get a good combo
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84TA T-tops L-69 305HO TH-700R4 stock 190hp and 240 ft-lbs.
new best E.T. (dont laugh) 15.986 @84.93mph
old best E.T 15.997@86.04
http://www.geocities.com/K_towngangsta
08-04-2001, 02:17 AM
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Car: 4 Mopars total
Engine: Pentastar power
Transmission: T/F and New Process
Axle/Gears: Three 8 3/4's & one 9 1/4
So, do you guys think I can break into the 15's with the Comp 262 cam and something along the lines of 3.73's? Maybe bump the timing up a little bit. I think mine has 3.08's right now. Its without a doubt a posi though, so thats good. All I want to do for right now is run at least high 15's. I have the money for a cam and gears. What do y'all think??? THX
08-04-2001, 11:31 AM
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Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
I would say follow these guys recomendations.
If you do not have smog checks than its easy to make power. You would not beleive the difference in power from just removing the cat and the emmisions equiptment.
I would reccomend these 3 things same as everone else, exhaust, cam and intake.
SSC
If you do not have smog checks than its easy to make power. You would not beleive the difference in power from just removing the cat and the emmisions equiptment.
I would reccomend these 3 things same as everone else, exhaust, cam and intake.
SSC
08-04-2001, 04:11 PM
#13
For I bit of kick, swap the secondary metering rods--I'm using AH with a G hanger, which is what the ZZ3 runs. Damon and other carb guys, recommend DR rods with a B hanger. Also tweek the air valve tension to zero. You'll find a tech article on it on this board. Both these tweeks are cheap and very easily effected, perhaps 20 minutes tops. I'm unsure of times since I'm not a racer, but along with the above swaps and bumping up the timing, I'm running a dual snorkel with KN filter, Summit cam, Edelbrock intake, high-flow cat and catback system.
JamesC
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JamesC
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08-05-2001, 02:21 AM
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Car: 4 Mopars total
Engine: Pentastar power
Transmission: T/F and New Process
Axle/Gears: Three 8 3/4's & one 9 1/4
Well, im going to buy the cam Monday. Where is the RPO sticker at in my 83? I looked in the console, in the trunk, inside the little storage compartments in the trunk...everywhere. I cant find it. Anyway, Ill slide the cam in and see how she does. If it needs more, Ill go with the 3.73's also. It really cant hurt. Can you guys tell me where that sticker is though??
08-05-2001, 03:25 AM
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Car: 94 Z28
Engine: LT1 w/ headers, catback, CAI, tune
Transmission: 4L60E
Axle/Gears: 3.23s
I would swap the intake at the same time if at all possible since you're going to have it off anyway...
And I'm not sure how well the 262 will work with an auto tranny and stock stall with granny gears... You might be better off going slightly smaller... If you can find something around 210/220 @.050 I'd lean toward that. If nothing else the Summit "TPI" cam (under $100 isn't it?) with 204/214 @.050 is a proven cam for a mild 305 (I'm put a cam with the same specs in my old 86 IROC's 305...)
Anyway, good luck.
------------------
Ray87Z
-Vortec headed 350.
86 IROC w/ a cammed 305 TPI.
Formerly Ray86IROC.
www.inter-scape.com/Ray
And I'm not sure how well the 262 will work with an auto tranny and stock stall with granny gears... You might be better off going slightly smaller... If you can find something around 210/220 @.050 I'd lean toward that. If nothing else the Summit "TPI" cam (under $100 isn't it?) with 204/214 @.050 is a proven cam for a mild 305 (I'm put a cam with the same specs in my old 86 IROC's 305...)
Anyway, good luck.
------------------
Ray87Z
-Vortec headed 350.
86 IROC w/ a cammed 305 TPI.
Formerly Ray86IROC.
www.inter-scape.com/Ray
08-05-2001, 12:48 PM
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Car: 4 Mopars total
Engine: Pentastar power
Transmission: T/F and New Process
Axle/Gears: Three 8 3/4's & one 9 1/4
Well, everyone reccomended that cam knowing my current combination. Either way, Im going with a set of 3.73 gears. The RPM range of the XE262 cam is 1300-5600. My car likes to stall at about 1500-1600 now, so it should be fine. Would I still get any kind of a noticeable gain just using the cam and not an intake right now? I dont really car too much about the 305 'cause one of these days im going to start on a 350 for the beast. I just dont want to be driving around in a "mid 16-second Trans Am"....that just dosent sound right. Anyway, you think the cam and gears might break me into the 15's?
08-05-2001, 09:21 PM
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Car: 92RS 25th Anniv./88 IROC Z28 Vert
Engine: 305 TBI w/Tpi Air / 305 TPI
Transmission: 700r4/700r4
Axle/Gears: Posi
If the RPO sticker is not in the console lid or in the trunk your only other hope is the build sheet under the drivers seat or under the original carpet. Good luck reading those build sheet. They tend to fall apart. Also I have a '86 305 LG4 carbed and the exhaust change made a difference. I have the word out for a double snorkel of which I will drop a K & N filter in next. Those little tweaks add up.
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86 Camaro Black SS Coupe, T Tops, Flowmaster, Custom Paint, Dunlop Road Kings S/R tires, Wheel Country Directional Chrome Wheels,new charcoal & gray interior including seats and door panels, new carpet and headliner, complete front end suspension rebuild, new Valve seals, and more mods to come
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86 Camaro Black SS Coupe, T Tops, Flowmaster, Custom Paint, Dunlop Road Kings S/R tires, Wheel Country Directional Chrome Wheels,new charcoal & gray interior including seats and door panels, new carpet and headliner, complete front end suspension rebuild, new Valve seals, and more mods to come
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08-06-2001, 02:09 PM
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Just an FYI: I had the little old LG4 dynoed. It made 170 rwhp, nothing to brag about, but that is with the computer and all emissions functioning. I still have more tuning to do, but 200 flywheel horsepower is not bad considering all I have is bolt ons....
I know there are others on the 350 bandwagon, which is fine, and there are others who have gotten more horsepower out of their 305's, that's great. I'm just sharing what I have and after I do a little head work and maybe a little more cam, with a looser converter... well still not bad for a little motor...
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86 SC, 305 LG4, TH700R4, SLP headers, 3" cat and exhaust. Mild cam 204/214, .423/.442. SLP shift kit, richmond 3.73's w/limited slip. Suspension Techniques Sway Bars, Globel West Wonderbar, Poly everything bushings, Metco LCA's, Lakewood Panhad Rod. 16" ROH, with Toyo 245's. For autocross, 16" IROC's w/bfg R1's... Nothing easy can be fun...
I know there are others on the 350 bandwagon, which is fine, and there are others who have gotten more horsepower out of their 305's, that's great. I'm just sharing what I have and after I do a little head work and maybe a little more cam, with a looser converter... well still not bad for a little motor...
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86 SC, 305 LG4, TH700R4, SLP headers, 3" cat and exhaust. Mild cam 204/214, .423/.442. SLP shift kit, richmond 3.73's w/limited slip. Suspension Techniques Sway Bars, Globel West Wonderbar, Poly everything bushings, Metco LCA's, Lakewood Panhad Rod. 16" ROH, with Toyo 245's. For autocross, 16" IROC's w/bfg R1's... Nothing easy can be fun...
08-06-2001, 03:33 PM
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Car: 1987 IROC
Engine: Vortec 350 TPI
Transmission: 7004r
<font face="Verdana, Arial" size="2">Originally posted by EvilCartman:
Hehehe I shift at 6,000 rpm sometimes, mostley at about 5,200 rpm.
</font>
Hehehe I shift at 6,000 rpm sometimes, mostley at about 5,200 rpm.
</font>
I threw a rod in my 82 305 revving that high!
and my 85 LG4 sounds like it gonna fall apart after 4500!
I've actually got the same goal as t-topGTA
gonna try to get my 85 into the mid 15's.
Cam, exhaust and intake should do it hopefully.
08-07-2001, 12:32 AM
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86SCBNJ, you have to have more than just 200 rearwheel hp. I read that LG4 build up and i believe that i have about 250 at the flywheel(dont think the cam is mentioned -- XE268-218/224 .490"intake and .500" exhaust with 1.6:1 rockers ) i have 3.42:1 in the rearend now aswell. So i think you have over 200 at the flywheel.
Just because the 305 is a small engine means nothing, it is not the cubes or the bores(well, a little) the bottle neck is the heads, if you pocket port them and gasket match them to the intake(performer RPM) you'll make probable 240hp with the XE262, just make sure you have the gears in the back to pull the car with the stock converter.(oh and i have the stock converter on mine)
Now on the rest of the car the bottle neck is the exhaust, I have a set of shorty headers(1 5/8 primarys and 3" collectors) a three inch cat off of an 88 Iroc, and a complete 3" flowmaster exhaust for an 88 iroc, it is loud, it rumbles and looks nice with the ss tips, but it cost me about $1250 canadian, so that is like $700 american i think.
Anyway all my other mods are in the sig but no track times yet, I am hoping for anywhere in the 13's. I am going to run the car at the windsor weekend at the Grand bend motorplex on sept 14. so we shall see
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82 Z28 have LG4-305"
Rebuilt heads-3 angle valve job,ported and gasket matched. edelbrock performer, chevy 1.6:1 roller rockers,MSD6AL, rebuilt carb,15x4" K&N
3"flowmaster american thunder, Mac high flow cat,headman headers,
700-R4--B&M shift kit, B&M tranny cooler.
Sub-frame connectors, boxed lower control arms and torque arm. 1.5" front sway bar, new BFgoodrich radial T/A's--215/65 front 255/60 rear
RADIO-- premier Deh-p300
2-10"kicker SPLs,ZR240,premier 434x(4 way), custom built fiberglass box for subs. pioneer 6X9 & 4X6, grant GT steering wheel
Just because the 305 is a small engine means nothing, it is not the cubes or the bores(well, a little) the bottle neck is the heads, if you pocket port them and gasket match them to the intake(performer RPM) you'll make probable 240hp with the XE262, just make sure you have the gears in the back to pull the car with the stock converter.(oh and i have the stock converter on mine)
Now on the rest of the car the bottle neck is the exhaust, I have a set of shorty headers(1 5/8 primarys and 3" collectors) a three inch cat off of an 88 Iroc, and a complete 3" flowmaster exhaust for an 88 iroc, it is loud, it rumbles and looks nice with the ss tips, but it cost me about $1250 canadian, so that is like $700 american i think.
Anyway all my other mods are in the sig but no track times yet, I am hoping for anywhere in the 13's. I am going to run the car at the windsor weekend at the Grand bend motorplex on sept 14. so we shall see
------------------
82 Z28 have LG4-305"
Rebuilt heads-3 angle valve job,ported and gasket matched. edelbrock performer, chevy 1.6:1 roller rockers,MSD6AL, rebuilt carb,15x4" K&N
3"flowmaster american thunder, Mac high flow cat,headman headers,
700-R4--B&M shift kit, B&M tranny cooler.
Sub-frame connectors, boxed lower control arms and torque arm. 1.5" front sway bar, new BFgoodrich radial T/A's--215/65 front 255/60 rear
RADIO-- premier Deh-p300
2-10"kicker SPLs,ZR240,premier 434x(4 way), custom built fiberglass box for subs. pioneer 6X9 & 4X6, grant GT steering wheel
08-07-2001, 03:53 AM
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Car: 1986 Sport Coupé
Engine: 305-4v
Transmission: 700R4 and TransGo2
We just put an Edelbrock Performer intake on my 305 yesterday. With all of my other modifications the Desktop Dyno 2000 program says I now am sporting 243 horsepower and 326 foot pounds of torque at the flywheel.
Read through my sig for the mods. They are all pretty routine and don't even include a cam change, but the little LG4 pulls mighty hard now, for its size
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1986 Camaro Sports Coupe
T-tops, power hatch, rear defrost, third brake light
LG4 305 V8, Hooker Shorty headers, 3" pipe into Walker Quiet Flow dual exhaust, Edelbrock Performer intake,
"Damonized" Q-Jet 4bbl, K&N filter
Crane ignition kit, TH700R4 transmission and Derale cooler
Air conditioning, pw, pl, pb, ps, tilt wheel
Kenwood cassette, Pioneer 6x4 component front speakers
Rockford Fosgate 6x9 Punch rear speakers
Z-28 front and rear sway bars, Aluminum slots and Goodyear 225x60R15 Eagle HP tires
243 horsepower and 326 fp torque
Read through my sig for the mods. They are all pretty routine and don't even include a cam change, but the little LG4 pulls mighty hard now, for its size
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1986 Camaro Sports Coupe
T-tops, power hatch, rear defrost, third brake light
LG4 305 V8, Hooker Shorty headers, 3" pipe into Walker Quiet Flow dual exhaust, Edelbrock Performer intake,
"Damonized" Q-Jet 4bbl, K&N filter
Crane ignition kit, TH700R4 transmission and Derale cooler
Air conditioning, pw, pl, pb, ps, tilt wheel
Kenwood cassette, Pioneer 6x4 component front speakers
Rockford Fosgate 6x9 Punch rear speakers
Z-28 front and rear sway bars, Aluminum slots and Goodyear 225x60R15 Eagle HP tires
243 horsepower and 326 fp torque
08-07-2001, 03:57 AM
#22
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Join Date: Jun 2001
Location: Calgary, Alberta, Republic of Western Canada
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Car: 1986 Sport Coupé
Engine: 305-4v
Transmission: 700R4 and TransGo2
Testing 
------------------
1986 Camaro Sports Coupe
T-tops, power hatch, rear defrost, third brake light
LG4 305 V8, Hooker Shorty headers, 3" pipe into Walker Quiet Flow dual exhaust,
Edelbrock Performer intake, "Damonized" Q-Jet 4bbl, K&N filter
Crane ignition kit, TH700R4 transmission and Derale cooler
Air conditioning, pw, pl, pb, ps, tilt wheel
Kenwood cassette, Pioneer 6x4 component front speakers
Rockford Fosgate 6x9 Punch rear speakers
Z-28 front and rear sway bars, Aluminum slots and Goodyear 225x60R15 Eagle HP tires
243 horsepower and 326 fp torque
------------------
1986 Camaro Sports Coupe
T-tops, power hatch, rear defrost, third brake light
LG4 305 V8, Hooker Shorty headers, 3" pipe into Walker Quiet Flow dual exhaust,
Edelbrock Performer intake, "Damonized" Q-Jet 4bbl, K&N filter
Crane ignition kit, TH700R4 transmission and Derale cooler
Air conditioning, pw, pl, pb, ps, tilt wheel
Kenwood cassette, Pioneer 6x4 component front speakers
Rockford Fosgate 6x9 Punch rear speakers
Z-28 front and rear sway bars, Aluminum slots and Goodyear 225x60R15 Eagle HP tires
243 horsepower and 326 fp torque
08-07-2001, 11:41 AM
#23
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Join Date: Sep 2000
Location: Glendale, AZ
Posts: 1,940
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Car: 4 Mopars total
Engine: Pentastar power
Transmission: T/F and New Process
Axle/Gears: Three 8 3/4's & one 9 1/4
Well, I bought my cam yesterday. I got the Comp XE262. I also found by build sheet in PERFECT condition under the drivers seat. My car actually has a 3.23 posi, so thats all the better. Im going to try to get the cam in today, if not, itll be done tomorrow. Ill let you guys know how she runs.
08-07-2001, 02:25 PM
#24
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Join Date: Jul 1999
Location: Atlanta, GA, US of A
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Car: 94 Z28
Engine: LT1 w/ headers, catback, CAI, tune
Transmission: 4L60E
Axle/Gears: 3.23s
<font face="Verdana, Arial" size="2">Originally posted by 86SCBNJ:
Just an FYI: I had the little old LG4 dynoed. It made 170 rwhp, nothing to brag about, but that is with the computer and all emissions functioning. I still have more tuning to do, but 200 flywheel horsepower is not bad considering all I have is bolt ons....
</font>
Just an FYI: I had the little old LG4 dynoed. It made 170 rwhp, nothing to brag about, but that is with the computer and all emissions functioning. I still have more tuning to do, but 200 flywheel horsepower is not bad considering all I have is bolt ons....
</font>
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Ray87Z
-Vortec headed 350.
86 IROC w/ a cammed 305 TPI.
Formerly Ray86IROC.
www.inter-scape.com/Ray
08-07-2001, 04:13 PM
#25
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Location: new york
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Yes, there is an intake on there, a ZZ3 intake. As I said, there is still some tuning to do... It's easy to just throw numbers out there, I'm just giving REAL numbers. Most of the dyno stuff from the magazines is with the engine on a dyno stand with no accesories, no tranny and no rear. I have all my accesories hooked up and working (yes the a/c kicks *** ). I'm not flaming anyone or saying they're wrong. I'm saying these are the nubers I got... Not a computer simulation, not a magazine article, not what the guy down the street says it can do... Just real numbers, as soon as I figure out the major bog and why the A/F ratio drops big time in the mid-range during WOT, I'm sure I'll have more than 170rwhp. My 1/4 times are 16.4's at 87 mph. With the mph that high I should be running in the 15's. It's been a while since I've been down the 1/4, I know that has something to do with it, as well as the bog. Just an FYI: 60 ft times were 2.3's, reaction times were all over the place, .790-.517. Like I said it's been a while since I've been down the track... Getting back to horsepower, from what I've seen at the dyno tent at the f-body nationals, almost everyone was surprised to learn that their cars made LESS horsepower than what they felt the car was capable of...Just an observation...
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