will weld 17x9.5's fint in my monte carlo?

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87lostsoul

Not-quite-so-new-guy
Oct 1, 2011
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i saw some weld wheels on craigslist theyre 17x9.5s for the rear does any ones have these ? or have to do any mods? thanks for any inputs!
 
I found this on another website, answers alot of tire/wheel fitment issues, basically you'll need to know the bolt pattern (4.75) and backspacing of the rims. This is some good info, to answer your question, yes a 17x9.5 could fit, but read on:
There is not a simple answer, oddly enough. And every time one is produced, some one insists that they managed to shoehorn something larger onto their car without changing a thing.

Keep in mind that the basic Regal is a car that was never designed for monster rubber, steamroller wheels, etc. So when you try to shoehorn all that under it, it really doesn't want to fit.

In addition, there are a lot of "It depends..." clauses that get added into the answer for such a question. There are many factors that have to be considered that help define the answer:
- Are you looking for a street setup, drag setup, or both.
- Will the car be lowered at all?
- Do you care about running your wheel arch trim?
- Would you consider rolling the inner lip of your wheel arch for clearance?
- Would you consider notching your frame for clearance?
- Are you considering a larger than stock wheel? (diameter and/or width)
- Is it important for you that your speedometer be correct? (it does matter to your ECM and TCC lockup patterns)
- Planning to do any hard cornering?
- Planning to do any front suspension upgrades or brake upgrades? (i.e. aftermarket A-arms and/or 16 F-body rotors, Baer brakes)
- Are you going for looks, performance, or both?

As few thoughts that might help with your questions:
- Anything much wider than a 275 on the rear on the rear will be difficult to fit.
- Lower profile wheels (short sidewalls) or drag-only setups (no high speed turns, and little rear axle swing) allow for more tire width in the rear.
- A wheel backspace greater than 4" on the rear may cause the tire to rub the frame if no notching is done.
- A wheel backspace of 3.5" or less on the rear will likely cause a tire on an 8.5" or wider wheel to rub the wheel arch trim if it is present or the lip is not rolled.
- Tires wider than 225 on the front will likely rub the frame at full lock. But only at severe lock, and that is only typically done in parking lot maneuvers.
- The stock tire diameter is ~26".
- It is possible to alter speedometer and VSS readings to account for large tire diameter changes via speedometer gear changes in the transmission.

 
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