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Loss of power help

This is a discussion on Loss of power help within the Firebird / WS6 forums, part of the Vehicle Specific category; Hey every one had a question i recently ran my car in noticted a big jump in my ET from ...

  1. #1
    GypsyDude mr.5.7's Avatar
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    Loss of power help

    Hey every one had a question i recently ran my car in noticted a big jump in my ET
    from a 13.5 in 100 deg.. to 14.0 in 80deg
    the 13.5 was with slp loud mouths descreend maf only
    the 14.0 was 2 weeks later 20 deg cooler mti lid free ramiar
    smooth bellow so i took my car to mti in they said they dont see any thing wrong except for a tranny mount
    any one have any idea why i lost .5 secs off my ET
    could it be the trannymount?
    thanks any advise would be apreciated

  2. #2
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    2001 WS6, 2003 SRT4(sold)

    Post your slips... the times could help troubleshoot.

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    Puerto Rico LS1 Rikki_SeVeN's Avatar
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    where you gripping right off the line... maybe you just spun a bit

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    member since may 2000 nhraformula's Avatar
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    bad air and bad launch can kill times alot.
    never expect exact times from day to day.
    the maf maybe pulling timing
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

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    GypsyDude mr.5.7's Avatar
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    i lost the time slips but my 60ft was 2.1 on the 14.0
    in 2.2 on the 13.5 trap speed was like 98on the 14.0
    102 on 13.5 forgot my 1/8 but i think it was like 13.5 8.7...14.0 9.2 i think.also i had replaced the tensioner pulley in ideler pulley oreilys orderd the wrong idler in the mechanic told me he could make it fit it wasent to much bigger but it had more width in he removed some washers in shoved it on but the belt also had some slack in it was rubbing so the day after i went to the track i had mti remove that pulley in belt but it dont feel like it helped
    thats when they told me about the tranny mount btw it was because of the a/c i changed those pulleys

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    Member 408WS6's Avatar
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    Current best: 10.60/126.8
    1998 Pontiac TA WS6

    Are you throwing any codes? If so which ones? You might pull your plugs out and check them. Also check your O2 sensors. When those go bad, the car runs like doo..

  7. #7
    GypsyDude mr.5.7's Avatar
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    it seems to be running fine ive replaced my wires last week
    ac delco plugs like 1k-2k miles ago the wires are msd from mti they say 02 sensor make it idle rough my car dosent idle rough

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    Member 408WS6's Avatar
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    Current best: 10.60/126.8
    1998 Pontiac TA WS6

    Could be just poor track conditions when you ran last..

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    GypsyDude mr.5.7's Avatar
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    no because my cousin was with me both times in he ran a 13.0 when i ran the 13.5 in 12.8 when i ran the 14.0

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    Member 408WS6's Avatar
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    Current best: 10.60/126.8
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    Quote Originally Posted by mr.5.7 View Post
    no because my cousin was with me both times in he ran a 13.0 when i ran the 13.5 in 12.8 when i ran the 14.0
    Oh, well then it just sounds like you can't drive. He obviously can though. Ask him for some pointers.

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    If your trans mount is bad you are not going to get all the power tranferred to the rear wheels because the back of the tranny will be jumping up and down and so will the torque arm. Replace the mount and run it again.

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    GypsyDude mr.5.7's Avatar
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    Quote Originally Posted by 408WS6 View Post
    Oh, well then it just sounds like you can't drive. He obviously can though. Ask him for some pointers.
    lol not in my car he has a c6 vette im 10k away from 12s lol

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    Puerto Rico LS1 Rikki_SeVeN's Avatar
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    Quote Originally Posted by mr.5.7 View Post
    lol not in my car he has a c6 vette im 10k away from 12s lol
    u said he ran 13's... first off... and your car isn't 10k away from 12's...

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    GypsyDude mr.5.7's Avatar
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    Quote Originally Posted by Rikki_SeVeN View Post
    first off... and your car isn't 10k away from 12's...
    at 14.0 it is lol

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    Puerto Rico LS1 Rikki_SeVeN's Avatar
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    BS it is... you must really not know how to drive then

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    GypsyDude mr.5.7's Avatar
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    Quote Originally Posted by Rikki_SeVeN View Post
    BS it is... you must really not know how to drive then
    lol.. no dude its an a4 i have ran 13.5 many times in hotter temp. the night i ran the 14.0 i tried leaving it in 3rd gear
    my 60ft was the same but i ran 14.6 i manually shifted 14.0 in 2weeks b4 13.5 so im pretty sure it aint me i hope its just the tranny mount

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    Puerto Rico LS1 Rikki_SeVeN's Avatar
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    I run the same thing (mine a4 too)... I shift it through all the gears to get it perfect every time... but my 60ft is unusually good 1.6sec

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    GypsyDude mr.5.7's Avatar
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    wow

  19. #19
    GypsyDude mr.5.7's Avatar
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    any one else think its the tranny mount if so witch one do i git? thanks

  20. #20
    GypsyDude mr.5.7's Avatar
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    Bump can the tranny mount cause the jump in E:T

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