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Why are my 60's slower?

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Old 05-15-2005 | 11:45 AM
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MustangEater82's Avatar
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Joined: May 2000
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From: Charleston, SC
Why are my 60's slower?

Just wondering, I am usually pretty good at 60' (well for my car and setup)


Either way I used to run 2.1s, with a decent amount of 2.0s on an open diff.

I know am having a problem braking lower then 2.1s, and I have since installed a takeoff LSD. and it works fine, no noise, leaves 2 tracks all is good.

I was hoping for at least semi consistant 2.0s.

I am running 5-speed, 3.23s. same tires(245/45/16, at the wear bar yokohama ES100s on firebird 5-stars) I used to run a lighter wheel in the front but only a few lbs. total. Now I run the 5-stars all 4 corners at the track.

I have since switched from an open pipe after the CAT to a cutout before the rear axle in, a definite increase in torque and midrange one woudl think that alone woudl increase my 60's. Been running better overall times on average since I changed this.


I was boggin a bit when I tried launching the clutch harder at higher rpms, so I doubt its not enough tire for the car. Example of me boggin on a higher rev, more of a dump on the clutch.
http://www.motorcityoutlaws.com/user...Talmostwon.wmv

My runs from friday night...

at first tried running a bit more tire pressure, since I bogged. But obviously I spun.

36psi in the rears

Car 2k 5-speed camaro v6
-slp lsd
-cutout
-FRA, shaved lid, PVC smooth bellows
-hurst short shifter with lsw speed in stick
-drive belt off

weight reduction
-jack/spare
-rear seat bottoms(bottoms only)

added, a full socket set, jumper cables, 1/4 tank of gas(bit high for me running)


1st run
R/t -0.042 (Redlight, but still close )
60' 2.342 (spun the launch)
330 6.359
1/8 9.696
mph 73.84
1000 12.546
1/4 14.941
mph 94.14

2nd run
R/t 0.132 (sleeping I know)
60' 2.238 (spun again, but not as bad)
330' 6.211
1/8 9.531
mph 74.19
1000 12.370
1/4 14.757
mph 94.51

I dropped the pressure to about 32psi

3rd run
r/t 0.067
60' 2.110 (hooked better)
330 6.064
1/8 9.373
mph 74.43
1000 12.206
1/4 14.591
mph 94.59

4th run
r/t 0.043
60' 2.125(small spin towards top of 1st)
330 6.072
1/8 9.361
mph 74.87
1000 12.180
1/4 14.556
mph 94.82

Those last 2 runs would have been sweet bracket racing runs

DA' was 1200, corrections would have yeilded me 14.373 @ 96.04 but I don't believe in those Though it wasn't the greatest night 75* and 66% humidity.



Any ideas what it might be? I have had off and on clutch problems.



also up for any suggestions(not gonna go drop $$ on a tire)

think a thicker rear sway woudl be worth it, like going to a 21mm over my current stock 17mm rear sway? (I might be able to get a used one local)

Any other ideas, I'd was hoping for 2.0s and maybe chance at a 1.9.

Maybe I should just go up to 3.42s.

Last edited by MustangEater82; 05-15-2005 at 11:55 AM.
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