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Tire Pressure..

This is a discussion on Tire Pressure.. within the Drag Racing forums, part of the Racing Forums category; im going to the track for the first time next month... i know how to launch my ss nicely just ...

  1. #1
    Senior Member OnEbAdReDSS's Avatar
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    Tire Pressure..

    im going to the track for the first time next month... i know how to launch my ss nicely just wonderin what tire pressure i should have when getting ready to race... i have stock ss rims with toyo proxys

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    Member silverz28camaro's Avatar
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    run about 25psi on street tires, anything less becomes a drag on the big end and run the front at about 50psi.

    ........BUT if you really want traction get some drag radials(i'm sure you will hear this alot) i run the nitto 555r on my car and as long as you don't do much burnouts they can last awhile. they work for me and my buddy in his 2000 m6 formula cuts 1.84 60' times with the 245/50-16 nitto and stock 3.42 gears.
    2000 auto camaro
    13.54 @ 104 2.049 60' stock 2.73

    12.94 @ 109 2.002 60' full exhaust, lid, tune, nitto 555r 2.73

    11.899 @ 114.44 1.686 60' full exhaust, lid, tune, nitto 245/50-16 555r 3.73 moser 12-bolt 2800 fuddle, ls6 intake manifold, slp under drive pully,fiberglass hood, bmr k-member

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    Rice Killa JwMonE99's Avatar
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    Quote Originally Posted by silverz28camaro View Post
    run about 25psi on street tires, anything less becomes a drag on the big end and run the front at about 50psi.

    ........BUT if you really want traction get some drag radials(i'm sure you will hear this alot) i run the nitto 555r on my car and as long as you don't do much burnouts they can last awhile. they work for me and my buddy in his 2000 m6 formula cuts 1.84 60' times with the 245/50-16 nitto and stock 3.42 gears.
    He might want to keep his rear end lol

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    Senior Member OnEbAdReDSS's Avatar
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    yup i do wanna keep my rear end

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    Member silverz28camaro's Avatar
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    sebring silver
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    Quote Originally Posted by 2000SuperSportMaro View Post
    yup i do wanna keep my rear end
    you'll be fine with 17 inch nittos. my buddy has ran his m6 for 2 years now cutting 1.8xx 60' on the factory 10 bolt. even if you cut low 1.9xx your 10 bolt will last very long. its when you dig down to the low 1.7xx with the m6 that you have to start to worry about and high 1.6 with auto cars. so have fun and give that gm car what it wants ...WOT...

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    Senior Member OnEbAdReDSS's Avatar
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    oh i will

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    Member chieftransam's Avatar
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    what would be a good tire pressure for launching with mt et street radials?

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    Member silverz28camaro's Avatar
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    Quote Originally Posted by chieftransam View Post
    what would be a good tire pressure for launching with mt et street radials?
    I run my nittos right t at about 20-25psi and they work good, I would try running 20 in that mt and see what happens, if it hooks near perfect then pump it up to 25 and see what it does. Its all trial and error.

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    Nitrous Tuner LS2Tuner's Avatar
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    Every car is different!! There is NO universal tire PSI. Your best beat with a street tire is to go to a nice smooth concrete parking lot.

    Well hold on let me start off by saying you need to purchase a quality tire gauge in the first place. Those AutoZone/Parts store ones are VERY inaccurate. If your soooo cheap you can't spend or won't spend $25-40 on a gauge borrow a nice one at the track and see how far off your is.

    So back to the parking lot. Do a very small burnout and come back to look @ the marks. You will see weather or not the center is darker than the outsides.
    I would start @ 28 and go down a couple pounds at a time. Do this until you see a nice uniform tread contact on the ground. Record that PSI and use that when you see the track.

    DON'T drive through the water box either drive around it!! Back up and just spin the tires to clean them off and put LITTLE heat.
    Street tires DON'T like burnouts or extreme heat it will make you spin worse.

    The ? on the Mickey's is WAY too general to receive a real answer.
    What size Mickey on what size wheel?

    A pair of V-6 junkyard springs will do more for your traction than any tire with your stiff ass springs you have the rear will not squat to allow weight transfer for shit at this point.
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

  10. #10
    Member chieftransam's Avatar
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    Well the mickeys are et street radials 275/40/17's on my stock wheels.

    Well I hope my car will hook up pretty good. I'm not sure how good it will even run yet, but I will post after I go on sunday.

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    Nitrous Tuner LS2Tuner's Avatar
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    Quote Originally Posted by chieftransam View Post
    Well the mickeys are et street radials 275/40/17's on my stock wheels.

    Well I hope my car will hook up pretty good. I'm not sure how good it will even run yet, but I will post after I go on sunday.
    On the stock 8" wheels I would start @ 22 and go down slowly. On my stock 17's I managed 1.56 60's with stock convertor and it hooked best with 17.5psi.

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    Member chieftransam's Avatar
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    thanks for the input. I'll see where she hooks best at on sunday!

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