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WHATS MY TRUCK GOING TO RUN IN THE 1/4 MILE??

Discussion in 'The Garage' started by 89K1500Chevy, Feb 18, 2004.

  1. 89K1500Chevy

    89K1500Chevy 1/2 ton status

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    OK so on sat me and some friends are going to silver dollar for test n tune runs. Im NOT taking the 4x4 it runs a 17.89 sec qrt mile /forums/images/graemlins/rotfl.gif but that is with the 33's on it. Im running my 84 GMC 2wd street beast. Heres the specs ZZ4 HO 350 w/ old school valve cover adapter plates / 355hp 405 tq/ 750 hi po quadrajet coated headers w/ duals H piped hi flow cats and flowmasters/ TH350 tranny w/ shift kit and stock Torque converter(Yes it needs a Stall) and the rear is a 10 bolt with 3.08 gear and open..(yes needs bigger axle with 3.55 and posi) Ok so far i know it can hit 50-55 in first gear/ and 2nd is down at the choke light so i should be able to do this run in 2nd im going to let it shift auto a few runs then manuel and see what it does. So with it having probs hooking up what do yall think Im going to Run? And im having probs with it bogging down at take off then breaking loose when it picks up rpms at around 30-40 mph then at the 2nd shift also.
    [​IMG]
    try to get pics of us out there.
     
  2. 84_Chevy_K10

    84_Chevy_K10 Banned

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  3. mud390

    mud390 1/2 ton status

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    1/4 mile? I would guess 14's. 3.55's with a LSD would help A LOT!!! Maybe some wider tires to put more rubber to the ground.

    Kris
     
  4. rjfguitar

    rjfguitar 3/4 ton status GMOTM Winner

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    I'm with Tim, 15's. That is a heavy truck and it(no affence)is not set up very well currently. Better suspension, different rearend with what you said, different TC, better tires, and shed a LOT of weight somehow from that truck and it might get down into the 12's. /forums/images/graemlins/thinking.gif
     
  5. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    14's would surprise me. I'm with Tim...high 15's, low 16's maybe.

    Even a C10 ain't light, it has crap gears, no posi, poor weight bias, a 'bog', and the aerodynamic's of a farm building.

    Rene
     
  6. sled_dog

    sled_dog 1 ton status

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    and the fact that pickups with horsepower are hard to make hook up. The fact that the main weight is over the front end, and the suspension isn't designed for it.
     
  7. JIM88K5

    JIM88K5 1/2 ton status

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    Low 15's . Try power braking of the line. You'd be surprised how much that may help. /forums/images/graemlins/waytogo.gif
     
  8. sled_dog

    sled_dog 1 ton status

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    not as much power braking, some guys call it stalling up, hold on the brake and gas a little to bring RPMs up and build some power right off the line, creates a traction issue though.
     
  9. Jonny-K5

    Jonny-K5 1/2 ton status

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    i say high 15's best, probly low 16's. but if you got it dialed in you should be getting low 15's, maybe even break 14 with the right gears and converter.
     
  10. Klink K5

    Klink K5 1/2 ton status

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    15 ish would be my guess, let us know what it does. /forums/images/graemlins/thumb.gif /forums/images/graemlins/peace.gif
     
  11. Resurrection_Joe

    Resurrection_Joe 1 ton status

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    Take off the bed and front clip and put some weight over the rear axle
     
  12. 84_Chevy_K10

    84_Chevy_K10 Banned

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    Yeah I was gonna say 16s but maybe that's pushing it.

    Depending how messed up the carb is, it could make you even slower.

    No posi and no traction isn't going to help either.

    Be lucky to break 15.99.
     
  13. sled_dog

    sled_dog 1 ton status

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    bogging down then getting hit with power sounds like an accelerator pump or just a need for a good carb /forums/images/graemlins/rotfl.gif I used to have that problem with a QJet, I found the solution, an Edelbrock Thunder AVS carb.
     
  14. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    I had an 88 C1500 short box, 3.42's, gov-lock (not too bad in a 2WD) 275/60R15's on the rear...it had a fairly stock TBI 350 and a 5 speed. That had major traction problems, and would easily smoke em for 20 or more feet hitting 3 rd gear. Best ET was mid 16's, with no 'bog', better gearing and a traction aid.

    This truck has more hp and torque, but worse gears and stuff.

    Rene
     
  15. 84_Chevy_K10

    84_Chevy_K10 Banned

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    A stock TBI 350 is only 215 HP though.
     
  16. sled_dog

    sled_dog 1 ton status

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    like I said, pickups aren't designed to be dragsters, look at s10s, to effectively get one to hook takes a four link setup and front suspension that will help weight transfer. Plus the simple problem of axle wrap.
     
  17. beater_k20

    beater_k20 Banned

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    i got mine with a similar setup (except engine) to run 15.02@86mph, you're making way more power than i was, so i'd say low 15s arent totally out of the question.
     
  18. 89K1500Chevy

    89K1500Chevy 1/2 ton status

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    The bog isnt always very bad it depends on how she feels but im hoping its going to be low 15's mabey high 14's my buddy's honda is hitting 15.5's and i can take him easy but hook up at the track is going to be a prob. What i have planned to do is build the ZZ430 outta it 385 fastburn heads/ Hot cam/ 1.6 rockers= 430hp /430tq all for around 1500
     
  19. sled_dog

    sled_dog 1 ton status

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    I'd worry about traction and other things before more power.
     
  20. Judd

    Judd 1/2 ton status

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    I'm going to say high 15s/low 16s only because of your gears and lack of a posi. I'm gonna guess that you are going to have one hell of a time getting anything better than a 2.30 sixty foot at the best. Traction at SDR will most likely be a bit "off" due to the off season but at least you will have cool temps on your side.

    Have fun. I'm going down there March the 28th for a F-Body meet. Jipp by if you have the time. We rent the track and generally have alot of track time at the meet. You could basically make at least 25 runs if you wanted to.

    If you go, say hello. I'll be in a black 2000 Firehawk hitting a pretty mean lick or a grey 1985 LX Mustang Cpe.
     

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