wanting better 60'
My car has 90/10 coilover struts with 175# springs full upr front end and upr pro series rear with anti rollbar no bushing all rod ends. I'm running a 306 with a holley 174 supercharger and a small shot of nos for an intercooler trans is a C4 with a ultimate converter with a stall of 2200 that feeds a 8.8 with a detroit locker with a 3.55 gear running 275/60/15 mt dr mounted on 10 wide welds . Leaving easy and not spraying till 3800 the car runs in the 6.30-6.40 eight mile at 109mph with a 60' in the 1.45 range. pinion angle is set at 1 degree down any more and i get bad vibration during decel.
Now for the problem whenever you leave hard (spray at 2200) the car will leave pull the front wheels and as long as they don't get any higher than a six inches off the ground it hooks any higher it blows the tires away (not just spin) the fact that it will leave and make it out thirty foot then blow the tires free has me puzzled. Would an adjustable pinion snubber help the car don't have one? |
Try to ad a degree or two of pinion angle and change the front springs to 150lb springs
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Try and adjust it at the track.I have -4 degrees in my car and it 60's 1.34-1.36 consistent |
i would try a little bit bigger stall so it is up in the power band then start spraying a little higher. see how that works and maybe let a little air out of the tires.
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But do you have an adjustable rear shock? Adjustable compression and rebound would really help you out!!! Might be the only thing you need to adjust. :nice: |
if you are still running the stock snubber you could try trimming it down and see if that stops the issue.Best thing its free to do this !!!
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i dont understand why its unloading the tires if it comes higher than 6 inchs:think: it does kinda sound like the rearend is to stiff.
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It's obviously unloading. It could be pinion angle or the lack of a snubber and it's springing back.:dunno:
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I have just some Lakewood 50/50 out back with stock springs. What would you recommend out back ? Car is stiff as heck right now. |
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