LT1-LT4 Modifications 1993-97 Gen II Small Block V8

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Old 03-22-2007, 09:55 PM
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are there any really good chips out there to boost hp? i was reading aobut the hypertech 1 i think it was, it was supose to help gas millage a little, altohugh i looknig mroe for power and tunning. does anybody know of a good 1 and where i can order it from?
Old 03-22-2007, 10:01 PM
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Hypercrap ... don't waste your time/money.

You can get a mail order tune from pcmforless.com, madz28.com or fastchip.com that will work very well on a stock or modified car.
Old 03-22-2007, 10:04 PM
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yeah, is htere a guide how to do it, i have no clue how to take out the ecu or whatever it is you send in
Old 03-22-2007, 10:13 PM
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Originally Posted by TheTransporter69
yeah, is htere a guide how to do it, i have no clue how to take out the ecu or whatever it is you send in
What year is your car?
Old 03-22-2007, 10:15 PM
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96 trans am base not ram air or anything
Old 03-22-2007, 10:36 PM
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I'd do at least the basic bolt ons before altering the PCM.
(Cold air intake + nice flowing 3" catback)

If I remember correctly, your car will require that you send the whole PCM in.
It's easy to do, but it leaves the car undrivable for a week or so while it's out.
Remove two 10mm bolts at the base, then unplug the pigtails.
(I don't think any of the mail order guys do core exchanges)

Older PCMs let you remove the chip from the PCM and swap it.
Old 03-22-2007, 10:45 PM
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k yeah ill see later this summer i guess, i still might do headers later on, i have a slp cai, the tf 90degree elbow, and the slp lm2 catback which is 3" need headers and a y pipe though then ill probobly get it tunned
Old 03-22-2007, 10:54 PM
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Yup, a lot of guys wait until they have a few bigger mods then go have it tuned on a dyno chassis.
Which actually works out well since it's set up perfectly for your car.
Assuming there is a decent tuner in your area.

(FWIW, I drove mine 4hrs to Tulsa to have Ed Wright tune it because I trust him to do it right)

Headers are an awesome mod for LT1s. (actually for just about any car)
If you can get away with it in your state, go with long tubes.
Old 03-23-2007, 02:46 AM
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Mad Z use to do core exchanges. I think it was $10 or so for it plus shipping.
Old 03-23-2007, 11:10 AM
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Originally Posted by James Montigny
Yup, a lot of guys wait until they have a few bigger mods then go have it tuned on a dyno chassis.
Which actually works out well since it's set up perfectly for your car.
Assuming there is a decent tuner in your area.

(FWIW, I drove mine 4hrs to Tulsa to have Ed Wright tune it because I trust him to do it right)

Headers are an awesome mod for LT1s. (actually for just about any car)
If you can get away with it in your state, go with long tubes.
I still do core exchanges.
Old 03-23-2007, 11:10 AM
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My vote would be for Ed Wright!
Old 03-23-2007, 11:20 AM
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Originally Posted by Ed Wright
I still do core exchanges.
I stand corrected



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