launching cobra on 275/17nittodr's? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 4 Old 04-10-2002, 12:11 PM Thread Starter
 
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launching cobra on 275/17nittodr's?

any tips on air pressure, rpm's on launch , burnouts ect... for launching a 98 cobra with 4.10 gears and a few mods on 275/17 nitto drags going to track in a few hours cant wait

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post #2 of 4 Old 04-10-2002, 12:29 PM
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1. drive around the water box (NOT through it)
2. back to the edge of the waterbox
3. spin em once or twice around to get some water on them
4. roll forward
5. do a not so short, but not long burn out (it helps to have someone next to you (spectator) who can tell you when you are getting some good smoke, 5 or so seconds)
6. Do not dry hop.
7. Roll it up to the line
8. bring the rev's up to 3500 or so (you want to be above the IMRC threshold, or you'll blow away your tires 10 feet out when they open)
9. Lightst camera action
10. feather the clutch as you bring up the revs as your taking it out of the hole
11. punch it

i had best results (1.80's on your exact tires on both stock rims and cobra r's) spinning it a bit out of the hole. i settled around 17lbs of warm tire pressure. get a good guage - you want it to be accurate. front tires at least at 35lbs, though many go to 45 and 50.

good luck, have fun, and be safe. report tomorrow how you did.

-tom
97 slobra


97 cobra, with 2001 4v crate motor - stock from throttle body to cats
SOLD
Best ET w/this combo: 13.44 @ 105.25 w/ 1.983 60' on street rubber.
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post #3 of 4 Old 04-10-2002, 12:33 PM Thread Starter
 
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you said 17 psi warm what do you put the at cold to achieve 17 warm ive heard set them at 16 cold which should be like 21-22 warm ? also what gears did you get those 60 fts' with
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post #4 of 4 Old 04-10-2002, 01:02 PM Thread Starter
 
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anybody else ? leaving in an hour or so any tips would be great
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