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Old 04-18-2005, 02:13 PM   #1
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Location: New york
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Car: 87 IROC Z "ZZ4"
Engine: 350 "ZZ4"
Transmission: ck performance th400 3000 stall
Axle/Gears: 3:73 10 bolt

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m/t et streets air pressure
hey all any ideas on what air pressure i should be running on the et streets i know it takes some playing around with but is there a base line to start?

last time went to the track (first time ever running slicks) i had them at 15 lbs my 60' was 1.9 they are mounted on 16" iroc rims should i play with them?

also what is the lowest and highest i can go on them?

thanks
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Old 04-18-2005, 03:28 PM   #2
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Location: Saskatoon, Saskatchewan, Canada
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Car: 86 Trans Am
Engine: 406
Transmission: TH350, 4200
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Assuming that your car is stock weight and has 26" or 28" tires, MT reccomends 16psi+.

Don't go lower than you need to. From a starting pressure, work in 1/2psi increments until you don't see in improvements.
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406, 11:1 compression, AFR 195, Demon 750 DP, Performer RPM, Comp solid roller 236/242 - 614"/.629", Crane Gold 1.6 roller rockers, MSD Pro Billet distributor, Digital 6, Hooker 2210s, th350, JW 4200 stall, Moser 9" with 35 spline axles, Detroit Locker and 3.89 gears, 28x11.50 ET Streets, 3600lbs race weight
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Old 04-18-2005, 03:28 PM
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