PB for the z28

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Old Aug 24, 2018 | 07:18 PM
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Red face PB for the z28

just got back from the track. only got in 3 runs. the third run i botched it bad as i was still getting use to my 3600 stall but the tires or brakes didnt hold and it slipped and i crept forward which was around 3200RPMs.
anyways the first 2 runs were 12.7@108 with a 1.9 sixty and 12.5@109 with a 1.9 sixty. both stalled around 2800-2900RPMs. im running summer tires nitto zr555 that are nearly bald. vid link below. how do i increase the holding power to be able to stall past 3000RPMs? stickier tires?

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Old Aug 24, 2018 | 07:20 PM
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Not bad on street tires
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Old Aug 24, 2018 | 07:21 PM
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Is that the yank ss3600?
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Old Aug 25, 2018 | 05:25 AM
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Its a performabuilt from what I've been told. Bought it used from a local member on here.
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Old Aug 25, 2018 | 05:45 AM
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Just did some researching about flashing the converter instead of trying to foot brake it as high s possible, which was what i was doing. Next time ill floor it at idle or hold at like 1500 or 2000 and go from there.
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Old Aug 25, 2018 | 03:53 PM
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Originally Posted by fst100
Just did some researching about flashing the converter instead of trying to foot brake it as high s possible, which was what i was doing. Next time ill floor it at idle or hold at like 1500 or 2000 and go from there.
Pretty sure Performabuilt specs FTI converters. That's what I have and they work great.
Keep trying different launch rpm to you get the best 60'. Your gonna need some sticky tires first though.
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Old Aug 25, 2018 | 05:45 PM
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Originally Posted by ragtopz28
Pretty sure Performabuilt specs FTI converters. That's what I have and they work great.
Keep trying different launch rpm to you get the best 60'. Your gonna need some sticky tires first though.
correct but the one i bought was originally a performabuilt before they sourced out to fti, according to the original owner. I also checked with performabuilt and they confirmed.
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Old Aug 25, 2018 | 06:32 PM
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Looked up the DA for friday afternoon and it was about 1500-1600' which would put my time at about 12.2@110mph
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