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What size slicks?

This is a discussion on What size slicks? within the Wheels and Tires forums, part of the General Help category; Just bought a set of Prostars. 15X10 w/ 7.5"BS for the rears and 15X3.5" on the fronts. Need to figure ...

  1. #1
    KWK N NUF TheKitchenSink's Avatar
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    What size slicks?

    Just bought a set of Prostars. 15X10 w/ 7.5"BS for the rears and 15X3.5" on the fronts. Need to figure out what size tire to order now.

    As far as my rear end goes, I have a 12 bolt with 4:10 gears.
    Engine/Transmission (A4) wise is... 3200 stall, transgo shift kit, tsp228r carm, Patriot LS6 Stage II P&P Heads + all bolt ons.

    What tire would you all recommend I go with?

    Do I need a little spacer on the front? or will they clear.
    I know I have to do some grinding to get the rears to fit.

    Thanks!

  2. #2
    Slow'er'Ass Mr. Luos's Avatar
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    You have more than 'some' grinding to do on the rear.
    And yes, the fronts will clear with a 5/8" spacer.
    I run 3.25" ARP wheel studs for those wheels.

    How fast does the car trap in the 1/4 mile?
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
    Lowered, HID's, tinted.

    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

  3. #3
    KWK N NUF TheKitchenSink's Avatar
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    I havent ran it yet this year, but last year before the heads and rear/gears I was 11.9 @114

  4. #4
    Slow'er'Ass Mr. Luos's Avatar
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    Thinking 117-118 then?

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    KWK N NUF TheKitchenSink's Avatar
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    Yea, somewhere around there I would suspect. Not sure how much the 4.10's are going to add over my stock 3:23's I had before

  6. #6
    Slow'er'Ass Mr. Luos's Avatar
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    Shit...forgot to ask.
    What RPM to you spin too?

    And what brand tire are you looking at?

  7. #7
    KWK N NUF TheKitchenSink's Avatar
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    Im pretty sure im set to 6700 and Mickey Thompson

  8. #8
    Slow'er'Ass Mr. Luos's Avatar
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    Okay.

    A 26" tire will get you to 126MPH at the top of 3rd.
    A 27" tire will get you to 131MPH at the top of 3rd.
    A 28" tire will get you to 136MPH at the top of 3rd.

    You will probably want a 26" tall tire. 10.5 to 11.5 wide.

    DOT tires? Or straight slicks?
    I run a 27x11.5x15 Hoosier QTP on my 15x10's. Love them so far. Cutting 1.68's bogging.

  9. #9
    KWK N NUF TheKitchenSink's Avatar
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    Im going to go w/ straight slicks, the tires will only see the street. See if I can blow up the trans Alright, I will go w/ 26" I wont have any issues w/ an 11.5" tire in back? I was getting a 1.74 60' w/ my nitto drag radials. Not to bad.

  10. #10
    Slow'er'Ass Mr. Luos's Avatar
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    I run the 11.5" Hoosier's. Great tire.
    They clear, but it is tight in the wheel well. I am sure some cars would need some hammering.

  11. #11
    KWK N NUF TheKitchenSink's Avatar
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    Alright cool, maybe I will go w/ a 10.5" just to be safer. Thanks for your help!

  12. #12
    KWK N NUF TheKitchenSink's Avatar
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    For the skinnies up from, at the MT Sportsman 6651's what I want? It says minimum rim width is 3.5" which is what I have. Just making sure before I go buying them!

  13. #13
    Slow'er'Ass Mr. Luos's Avatar
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    Those will work.

    I think they have a 4.5" wide tire as well...but that might be bias ply.

  14. #14
    KWK N NUF TheKitchenSink's Avatar
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    Well under tread width it says 4.5" so maybe that is the one your thinking of.

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