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Drag Times

R TUNE

By R TUNE,
in Motorsport Discussion & Builds

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R TUNE Mentor

R TUNE

Posted
Posted (edited)

rTook my car to hidden vally drag strip on friday night.

Did a best of 15.343 @ 90mph/ weather was 32dec and 98% humidity/

car is running a catback exhaust and pod and is auto.

just wondering if this is the time i should be looking at or should i be going faster?

Edited by redliningr31 skyline
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TRB-001 Rising Star

TRB-001

Posted
Posted

how are your launching the auto? i wont recommending doing it too often as it will causing premature failure of the gearbox if done too much, but u should try stalling it up (hold the brakes and hit the rpm up to about 3000) just b4 take off.

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R TUNE Mentor

R TUNE

Posted
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how are your launching the auto? i wont recommending doing it too often as it will causing premature failure of the gearbox if done too much, but u should try stalling it up (hold the brakes and hit the rpm up to about 3000) just b4 take off.

First run was just stomp on the gas did a 16.1 for that

2nd got it up to 5000rpm in 'n' and droped it (Still had tyer pressure at 36 psi= wheel spin 1st 1/2 way in 2nd)

3rd was at 4000rpm tyers at 30psi and she did a 15.3

from there on i just played with the revs.

I would rather not do the way mentiond as i managed to blow my r31 auto box like that after 15 runs.

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TRB-001 Rising Star

TRB-001

Posted
Posted

yeah that is probably worse then i mentioned. next time as the lights start from the top of the tree, have it in D, hold the brake and hit the gas to bring it to say 4000rpm (play with it to get good launches) then release the brake and hit full throttle.

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