LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

"What should i install first to gain the most HP"

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Old 02-05-2004, 12:55 PM
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GU2 is 2.73 only available in A4
GU6 is 3.42 only available in M6

3.73 is not a factory option
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Old 02-05-2004, 01:44 PM
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so I have 2.73's ...blahh...hey thanks for letting me know..I forgot what I had..I remember now! I wish I knew how to put some gears in....my pops is telling me to throw in some 410's...
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Old 02-05-2004, 03:52 PM
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There is a much easier way to check what gear ratios you have. You put a mark on teh driveshaft and a mark on the tire. With the rearend jacked up, count the number of turns of the driveshaft to one turn of the wheel. Will give you a pretty good idea, of course telling between 3.42 and 3.73 is a little tricky, but doable.
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Old 02-05-2004, 04:10 PM
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(250-260 HP LMAO )my car is a 1994 trans am GT only built on 1994 it comes with 275HP and 326 torque (stock.)

After istalling the flowmaster and injection sistem shes doin 311 hp not torque.

1994 GT 275HP and 326 torque to the weels.
1997 and up came with 285 HP stock and the Ram/Firehawk air models with around 306-310 HP.

"my car is automatic"


http://www.geocities.com/teamfirst_49th/transam.html


if u wana see her take a look Above.
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Old 02-05-2004, 04:14 PM
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(250-260 HP LMAO )my car is a 1994 trans am GT only built on 1994 it comes with 275HP and 326 torque (stock.)

After istalling the flowmaster and injection sistem shes doin 311 hp not torque.

1994 GT 275HP and 326 torque to the weels.
1997 and up came with 285 HP stock and the Ram/Firehawk air models with around 306-310 HP.

"my car is automatic"


http://www.geocities.com/teamfirst_49th/transam.html


if u wana see her take a look Above.
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Old 02-05-2004, 04:16 PM
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If you really believe you are making 311 rwhp you need a reality check dude...........Like the other guy said, 310 crank is believable, but thats as far as I'd go. Those 275/325 ratings are crank from GM. LT1's dyno pretty much what they are supposed to, unlike the LS1 which was very underrated.
Brian
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Old 02-05-2004, 04:42 PM
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lets state the facts:
K&N FIPK (cold air induction) is only worth 10rwhp on these cars
the flowmaster muffler is only worth 5rwhp on these cars
RWHP= rear wheel horsepower

your car stock will only dyno 240rwhp being an automatic.
dynojet and SAE corrected numbers

you should have 311 flywheel horsepower, but no way RWHP
(with those mods)

jesse
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Old 02-05-2004, 04:53 PM
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I dont think people are going by proven dyno numbers. I think they just count up the assumed HP the mod describes as potential hp able to achieve? In that case I'm over 300 hp if I was to add up all my stuff without dyno'ing. lol
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Old 02-05-2004, 06:25 PM
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Sorry to tell you but the 3.23's were also offered in the A4. I have them and i can prove it.
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Old 02-05-2004, 06:35 PM
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What is a Trans Am GT?


White97z/28 - A4's came from the factory with either 2.73 or 3.23 gears. You dont need to proove anything
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Old 02-05-2004, 07:33 PM
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I sure hope hes not making 311 rwhp, cause that would make something dead wrong about my setup only puttin down 315 at the wheels(setup in signature)
lol, im pretty sure a muffler didnt net him those kind of numbers!

P.S.- i dont wanna be rude, but after reading your website, i realized that you have no idea what you are talking about. Take my advice, sit back and read this forum for a while and get an idea of what really goes on with these cars. Then maybe you can open your mouth and not sound stupid and get bashed by everyone reading this. If you are ever in Lexington Kentucky ill be glad to show you whether you can make 311 rwhp.
Sorry to be rude but you need a reality check

Last edited by 94z6410; 02-05-2004 at 07:40 PM.
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Old 02-05-2004, 07:43 PM
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Then the DYNO is wrong i guess or the guy running the dyno is full of it!


i did not know that 94 trans am did not have a chip ?

then how does the computer work?
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Old 02-05-2004, 08:17 PM
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Originally posted by Reptile5.7L
(250-260 HP LMAO )my car is a 1994 trans am GT only built on 1994 it comes with 275HP and 326 torque (stock.)

After istalling the flowmaster and injection sistem shes doin 311 hp not torque.

1994 GT 275HP and 326 torque to the weels.
1997 and up came with 285 HP stock and the Ram/Firehawk air models with around 306-310 HP.

"my car is automatic"


http://www.geocities.com/teamfirst_49th/transam.html


if u wana see her take a look Above.
ive even heard of flowmasters accually being worse on dyno's then stock exhaust.

my friend always says he has around 310, hes got the ss ram air, edelbrock headers, and edelbrock exhaust w/ a shift kit, but thats flywheel.
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Old 02-05-2004, 10:09 PM
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IBReptile5.7L is magazine racer wned:
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Old 02-06-2004, 01:55 AM
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Originally posted by Reptile5.7L
Then the DYNO is wrong i guess or the guy running the dyno is full of it!


i did not know that 94 trans am did not have a chip ?

then how does the computer work?
to reprogram the PCM you have to reflash it with a new program.
only 1993 models have chips

jesse
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