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max tire size for 99 Trans Am

This is a discussion on max tire size for 99 Trans Am within the Firebird / WS6 forums, part of the Vehicle Specific category; what is the biggest size tire that can fit on a 99 trans am. I currently have 245/50ZR16s. I want ...

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    1999 Pontiac Trans Am

    max tire size for 99 Trans Am

    what is the biggest size tire that can fit on a 99 trans am. I currently have 245/50ZR16s. I want to upgrade to bigger rims and tires all around(both front and rear same size). I am looking at American Racing Torq Thrust IIs. I want either a 17 or 18 inch rim with the biggest tires that can fit on the trans am. I am also looking into a suspension drop. If i do drop the car is there a certain tire/rim size that will interfere with the lowered stance?

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    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    17x11 rear wheel with a 315/35/17 tire.
    That is what I run with the Torque Thrusts.

    Click for full size
    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.

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    1999 Pontiac Trans Am

    thanks. Those wheels look really good. is your suspension stock? do you know if there are certain aftermarket suspension kits that are too low/interfere with wheels this big?

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