17" American Racing Torque Thrust ll Chrome? - Impala Tech
Wheels & Tires What fits?

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post #1 of 6 (permalink) Old 04-05-2019, 05:10 PM Thread Starter
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17" American Racing Torque Thrust ll Chrome?

Ok I have my mind made up on 17 inch American Racing TT2s for my 67 Impala now what tire size and exact rim size should I go with. I want a little deeper rim in the back than the one on the front. I want to get a tire size like the ones on 96 Impala SS 255/50/17. Also will 17 inch rub on anything when Iam turning and such? Also what is the bolt pattern?
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post #2 of 6 (permalink) Old 04-05-2019, 05:47 PM
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1967 had a 5 on 4-3/4 inch bolt pattern.

The 255P50R-17 tires have a diameter of 27.0", a section width of 10.0",

Your stock tire (E78 bias ply on a 14 inch wheel) had a 26.60 inch height and a cross section of 7.65 width (5.10 inch tread width). The tire and wheel will fit on the back but you have to check for clearance as lowering the car moves the wheel, and tire closer to the fender. Up front I would expect it to rub the frame, but check for actual contact with suspension parts which could cut the tire.

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post #3 of 6 (permalink) Old 04-05-2019, 08:18 PM
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As a reference, I run 275/60/15 on the rear of my 66. The wheel is a 15x8 with around 4.5" of backspacing if I recall. The effective overall diameter of my wheel is 28" or roughly 711mm.

Your 255/50/17 is actually smaller at 27" overall or 686mm. The bodies between 66 and 67 are slightly different but since your overall diameter is smaller it should fit just fine in the rear. Just make sure to get the right offset (or "backspacing" as people prefer to call it now) for your wheel.

The fronts will need to be narrower to allow for turning and not rubbing on the frame.
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post #4 of 6 (permalink) Old 04-06-2019, 09:07 AM
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Also, check to make sure what ever wheel/tire combo you intend to buy will come OFF the car with it jacked up (changing a flat). The suspension 'sags' and the location changes in the 'well'.
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post #5 of 6 (permalink) Old 04-06-2019, 11:03 AM
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Quote:
Originally Posted by japete92 View Post
Also, check to make sure what ever wheel/tire combo you intend to buy will come OFF the car with it jacked up (changing a flat). The suspension 'sags' and the location changes in the 'well'.
Like I said the Impala rear end is centered by a Panhard bar. The rear end moves from one side of the car to the other as the ride height changes.



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post #6 of 6 (permalink) Old 04-08-2019, 10:00 AM
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0.36" at 5" vertical suspension travel assuming a 35" bar.

1969 Imapala convertible build thread here:
https://www.pro-touring.com/threads/...ghlight=impala
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