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99 chevy runnin 9.80?

This is a discussion on 99 chevy runnin 9.80? within the Performance forums, part of the General Discussion category; ok guys my buddy has a 99 single cab with a 5.3 in it, has a hypertech programmer and a ...

  1. #1
    Registered User 99chevyboy's Avatar
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    99 chevy runnin 9.80?


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    ok guys my buddy has a 99 single cab with a 5.3 in it, has a hypertech programmer and a TB spacer, what else does he need to make it run 9.80's in the 8th?

  2. #2
    Registered User chevy6490's Avatar
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    Re: 99 chevy runnin 9.80?

    Do you have a locker, or posi rear end. (g80)? If not you will just 1 tire fire it for a good 200+ feet.
    2008 Silverado Z71 Max, L76 6.0, 4L70E, 14bolt Rear, BlackBear AutoCal, Intake, Actuated Strait Pipe, Leveled, LineX, Detroit TruTrac

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    Re: 99 chevy runnin 9.80?

    Hi stall torque converter custom PCM tune

    peace
    APuly
    97 GMC 2wd RCSB 5.7, s10 2700 footstall, Hooker 24621hkr LT's , 2.5" cats dual 4"pipes exit B4 pass. side tire, custom driveshaft 3.42 G80 FIPK MAF descreen GM/Mercruiser Marine intake manifold 29lb LS2(EV6) injectors Ed Wright PCM(best mod), LT4 KM 14.8@94mph 2.007 4000lbs 122mph

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    Registered User 99chevyboy's Avatar
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    Re: 99 chevy runnin 9.80?

    thanks for the site, i'll hopefully talk him into that one ok ummm 2 question for you guys.

    ok this one i'm gona feel dumb and everything asking but its been so long since i've even thought about it. but WHERE is the thermostat on these style motors? dumb question i know but this is my first time owning a chevy with the vortec motor and im too lazy to sit and look all day

    and second, he said his truck is acting up. said he can be driving along doing about 55 and go to floor it and the RPM's kick up but the truck is barely picking up speed like it has no power??????

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    Registered User spot me 2's Avatar
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    Re: 99 chevy runnin 9.80?

    Quote Originally Posted by Pauly
    Hi stall torque converter custom PCM tune

    peace
    APuly
    A good converter is one of the best mods you can make!!!!! It makes all the difference.

    1996 2 Door Yukon 4X4. Dropped 3.5/4.5. All stock except a Wait4Me custom tune........for now.

  6. #6
    Registered User 99chevyboy's Avatar
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    Re: 99 chevy runnin 9.80?

    would summit have the convertor? we're gona put a new thermostat on it, put his stocks back on and then watever else you guys suggest that his wallet can handle before next weekend.

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    Registered User spot me 2's Avatar
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    Re: 99 chevy runnin 9.80?

    I would go with a yank converter for that. I think the site is
    www.converter.cc
    Last edited by spot me 2; 12-03-2007 at 02:48 AM.

    1996 2 Door Yukon 4X4. Dropped 3.5/4.5. All stock except a Wait4Me custom tune........for now.

  8. #8
    S/C Z71
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    Re: 99 chevy runnin 9.80?

    A big old huffer.

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    Registered User tpichevy's Avatar
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    Re: 99 chevy runnin 9.80?

    im runnin a yenk 2800 stall and it made a good amount of diff vs the old 2400 B&M hole shot i was runnin.
    TireFryr- Built 356ci Ported Accel super ram, Coated LTs,Built 700r4,2800Yenk stall,3.73posi "TractionLess"

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    Re: 99 chevy runnin 9.80?

    the better stall will deff help with the 60', along with the right rear, no need for single tire action
    1997 w/t - gotta go - $2500

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  11. #11
    Registered User 99chevyboy's Avatar
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    Re: 99 chevy runnin 9.80?

    thanks for the site, i'll hopefully talk him into that one ok ummm 2 question for you guys.

    ok this one i'm gona feel dumb and everything asking but its been so long since i've even thought about it. but WHERE is the thermostat on these style motors? dumb question i know but this is my first time owning a chevy with the vortec motor and im too lazy to sit and look all day

    and second, he said his truck is acting up. said he can be driving along doing about 55 and go to floor it and the RPM's kick up but the truck is barely picking up speed like it has no power??????

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