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Reply to "IRS vs Non-IRS"

JMM (Michael) posted:

@Blake I decided on IRS. Greg will narrow the trailing arms and with a set of Vintage 190's in a 5 1/2" width you'll be able to fit 185 tires under the rear fenders.  You could go with a 5X130 bolt wheel and then you could run a 15X6" wheel and maybe get 195's on.  As someone above said, you might be able to mod a set of wheels by having the barrel extended to the inside, but I haven't explored this with Greg or with a tape measure. For now I'm going with the 185's and I think on a car this light that it'll be fine even with Suby power. If it turns out I'm wrong I'll let you know.

Funny, just got off the phone with Greg. My body is going to go to paint this week!!! WhooHoo!!!!

That’s great! Thanks for explaining the difference in width, Greg and I spoke today and he said essentially what you said but after reading your comments I think I understand  it better. 

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