2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Old 01-27-05, 12:12 AM
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NA mods

Just bought a 1986 GXL w/ a clean body and really really low mileage (about 57k on the engine and body) , from what i read....the n/a's get 140hp at most stock(s4)...and even less hp at the wheels....is their any good mods that can unleash more HP at the wheels??? im looking to hit at least 170-180 hp at the wheels(na)...is it possible ...even with an n/a engine??? any imput will help thnx!

Last edited by Vagrant02_DRFT; 01-27-05 at 12:14 AM. Reason: spelling error
Old 01-27-05, 12:17 AM
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Full exhaust
Intake (cold air if you want to build it)
Ported Manifolds and TB (TB doesn't do a whole lot but if you got the time why not)
Lightweight flywheel and good clutch
Port the motor (will make hitting those numbers a lot easier)
Remove all emissions if you can (the cat will hold you back in the exhaust and if you ditch the cat the rest of the emissions is useless too)
MSD6a or something similar
Upgraded plug wires
Etc.......


The list goes on but those are some starters.
Old 01-27-05, 12:19 AM
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nice list!!! thx!
Old 02-03-05, 09:47 PM
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when you get a lightweight flywheel it comes with the counter weight. Is our engines balance inside or out? and how hard is it to install a light weight flywheel
Old 02-03-05, 09:49 PM
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We have front and rear counterweights that match the rotors you are using.
Old 02-03-05, 09:54 PM
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So i would have to go into the engine to rebalance it?
Old 02-03-05, 10:08 PM
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howabout you look in the archives for one of the lists?
buuuuut, for starters, intake, exhaust, and a fuel computer like a S-AFC should bring you safely into 14's.
Old 02-03-05, 10:09 PM
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bump
Old 02-03-05, 10:11 PM
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Originally Posted by ska3260
So i would have to go into the engine to rebalance it?
No, just get the correct REAR counterweight for the rotors/front counterweight you already have.
Old 02-04-05, 12:32 AM
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port manifolds,intake,exshauast.
Old 02-04-05, 01:00 AM
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Most aftermarket light flywheels use the stock AUTO TRANS rear counterweight.

A few companies are coming out with flywheels with built in counterweights. These are straight bolt on that requires no additional counterweight.

The need for or against a counterweight SHOULD be listed with any flywheel you are looking at buying.
Old 02-07-05, 10:01 PM
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where in the tansmisson do i put the counterweight? and how complex is it. I plan to rebuild the tansmisson so would it be an easy install then?
Old 02-07-05, 10:08 PM
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I goes on the rear side of the flywheel.
Old 02-07-05, 10:24 PM
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N/A is teh WIN!

 
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dang ska, jack threds much I say all of the above and Greedy E-Manage for tuning. I'm still learing about E-Manage but it sounds like a very promising tuning tool
Old 02-07-05, 10:41 PM
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My Fiancee's GTUs:
rb header,
rb presilencer,
apex N1 dual,
apexi intake,
fiero e-fan,
msd sci,
agx shox,
eibach springs,
ST swaybars,
clutchmasters stage 1 clutch,
rebuilt GTUs tranny (my fav),
4.3 rear end,
apex safc (tuned),
pineapple racing sleeves,
4pot brakes (rebuilt),
HAWK HPS pads,
steel braided brake and clutch lines,
front and rear strut bars...

Handles like a dream and dynoed 150RWHP
Old 02-07-05, 10:59 PM
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I did alot to my na to try to get hp and I am still not where I want to be you can see my mods below I hope after the turbo I will be close. Good luck modding your n/a it can be a lot of fun.
Old 02-10-05, 09:51 PM
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sorry to jack thread bro
Old 02-10-05, 10:19 PM
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Originally Posted by Madrx7racer
My Fiancee's GTUs:
rb header,
rb presilencer,
apex N1 dual,
apexi intake,
fiero e-fan,
msd sci,
agx shox,
eibach springs,
ST swaybars,
clutchmasters stage 1 clutch,
rebuilt GTUs tranny (my fav),
4.3 rear end,
apex safc (tuned),
pineapple racing sleeves,
4pot brakes (rebuilt),
HAWK HPS pads,
steel braided brake and clutch lines,
front and rear strut bars...
yummy
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