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400 Club

This is a discussion on 400 Club within the Internal Engine forums, part of the LSx Technical Help Section category; driveability, that's for friggin sure. I had some issues till I got a brake vacuum canister and a speed density ...

  1. #21
    Senior Member Redphoenix1998's Avatar
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    1998 Pontiac Trans Am

    driveability, that's for friggin sure. I had some issues till I got a brake vacuum canister and a speed density tune. As far as the LS6 computer thing...umm....no. Essentially, it's the same as an LS1, just a different program. A good tuner will reflash your computer and tune it to how the engine should be run. I hit 500rwhp and 510 ft lbs running an LS6 with JPR S2 heads, a TR230/224 cam, full bolt on's and 11:5.1 CR. LS6 has better oiling and windage overall, that's about it.

  2. #22
    Evr sena bdgr killa snak? Roastem's Avatar
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    '99 Z28 M6

    I sacrificed huge dyno numbers for driveability and better "under the curve" motor performance. A car that makes above 350 at the wheels from 5800 to 6800 is not going to be as fast as one that does it from 4000 to 6800. Still I was tempted to slap a monster cam in there just for the hell of it after putting the heads on. Also, the dyno guy told me there was more WHP to be made if I got rid of my heavy ass 18x10.5" Chrome C6's, with 295/35's to boot. Screw that, I like my wheels, plus I need the traction.

    Take a look at my dyno numbers, but REALLY take a look at the 1/8th mile performance, after all is said and done, WE DON'T RACE ON THE DYNO. Big numbers don't mean jack if you can't win races.
    Last edited by Roastem; 10-11-2006 at 09:20 AM.
    Heads 'n Cammed, Moser 12, 3.73's, Weight Reduction, 13" Brembo Kit
    BMR track suspension, full exhaust, the works...
    412whp/394wtq 1/4 mile slip coming soon!
    Gone: '01 Laser Red Cobra 3.73's/Full Bolt-ons

  3. #23
    Junior Member 30YRMUSL's Avatar
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    99white/ 78 blk&gold
    1999 30thTrans Am&78 T/A

    mine hit 396rwhp with AFR heads, long tubes,ofy, cam and Borla cat back. the guy that tuned it said get rid of those " little injectors" put a throttle body,intake and a little more tuning and easily be over 400. but like everyone has said.... hp= $ .....i figured for at the time then the cost of a divorce wasn't worth getting into the 400 club lol .....but now 3 yrs later.... sliding a few things on top now lol ....SHHHHHHH!!!!!!!

  4. #24
    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by 30YRMUSL View Post
    mine hit 396rwhp with AFR heads, long tubes,ofy, cam and Borla cat back. the guy that tuned it said get rid of those " little injectors" put a throttle body,intake and a little more tuning and easily be over 400. but like everyone has said.... hp= $ .....i figured for at the time then the cost of a divorce wasn't worth getting into the 400 club lol .....but now 3 yrs later.... sliding a few things on top now lol ....SHHHHHHH!!!!!!!
    4 1/2 year old thread is 4.5 years old.


    Most cam only cars with the M6 see 400RWHP these days.

  5. #25
    Member Phlash_riot's Avatar
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    Midnight Blue
    1999 T/A

    WOW... I havent even had the car for 2 years!!! However I am getting it back in a couple months. Sold it to my father-in-law and now he was a 50s duece coup and wants to seel it. soon as i found out. oh yea life will be good again. Wish i never had to sell it in the first place but military life forces you todo things tha tyou dont want to sometimes... But soon.... ohh yes.. sooon.

  6. #26
    Member 408WS6's Avatar
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    1998 Pontiac TA WS6


  7. #27
    Member 408WS6's Avatar
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    Current best: 10.60/126.8
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    Quote Originally Posted by Mr. Luos View Post
    4 1/2 year old thread is 4.5 years old.


    Most cam only cars with the M6 see 400RWHP these days.
    We also have running water and TV sets in our house these days

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