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SVT Shelby GT500
295/35/19 x 335/30/20 with Custom cut wheels, Need advice please
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<blockquote data-quote="Catmonkey" data-source="post: 15779027" data-attributes="member: 124025"><p>Wheels as delivered were 9.5x20 for the front with a +37mm offset, rears are 11x20 with a +57mm offset. I'm taking the inner rear hoop and putting it on the front wheel to end up with a 10x20 with a +43mm offset and I bought a hoop for the rear that will widen the rear width to 11.5" with a resulting offset of +63mm.</p><p></p><p></p><p></p><p>Yes. I have always verified fitment by removing the rear spring and jacking up the rear up to determine how close the fender was to the inner fender. With a 28.8" diameter, and a cut bump stop, if the tire stuck out to far, the fender lip would contact the tire. It tucked with both the 8mm spacer and the 315 and the 1/4" spacer and the 325.</p><p></p><p></p><p></p><p>I think the sidewall would contact the inside of the outer fender on a hard compression. </p><p></p><p></p><p></p><p>I won't be using spacers with the True Forged, but by increasing the width to 11.5, I'll be achieving the same offset as the widened SVTPPs with the spacer. I was running stock SVTPP front springs (~220 lb/in) and 185 lb/in rear springs. I've increased the front with dual adjustable coil overs with 380 lb/in front springs and dual adjustable rear shocks with 250 lb/in rear springs. I think body roll had more to do with my rubbing issues. I have a watts link, so I don't think the rear end is moving side to side. I can tolerate a little rubbing on off-camber driveways. </p><p></p><p></p><p></p><p>I"m not sure. My cross width on the 11" rim is more like 12 5/8". I can't see the cross section going to 13" on the 11.5" width, but it will something slightly less than that. </p><p></p><p></p><p></p><p>The cross section of the 315 on the 11" rim was the same as the 325 on the same wheel, 12 5/8", but rounded would be 12.6". I would expect them to be the same width on an 11.5" rim which I'm guessing would be ~12.85 +/-. I've never measured by widened wheel to determine they are exactly 11", so that could be a variable. Michelin also has a thick area near the wheel for wheel protection. That may also come into play on a wider wheel as being the widest part of the tire.</p></blockquote><p></p>
[QUOTE="Catmonkey, post: 15779027, member: 124025"] Wheels as delivered were 9.5x20 for the front with a +37mm offset, rears are 11x20 with a +57mm offset. I'm taking the inner rear hoop and putting it on the front wheel to end up with a 10x20 with a +43mm offset and I bought a hoop for the rear that will widen the rear width to 11.5" with a resulting offset of +63mm. Yes. I have always verified fitment by removing the rear spring and jacking up the rear up to determine how close the fender was to the inner fender. With a 28.8" diameter, and a cut bump stop, if the tire stuck out to far, the fender lip would contact the tire. It tucked with both the 8mm spacer and the 315 and the 1/4" spacer and the 325. I think the sidewall would contact the inside of the outer fender on a hard compression. I won't be using spacers with the True Forged, but by increasing the width to 11.5, I'll be achieving the same offset as the widened SVTPPs with the spacer. I was running stock SVTPP front springs (~220 lb/in) and 185 lb/in rear springs. I've increased the front with dual adjustable coil overs with 380 lb/in front springs and dual adjustable rear shocks with 250 lb/in rear springs. I think body roll had more to do with my rubbing issues. I have a watts link, so I don't think the rear end is moving side to side. I can tolerate a little rubbing on off-camber driveways. I"m not sure. My cross width on the 11" rim is more like 12 5/8". I can't see the cross section going to 13" on the 11.5" width, but it will something slightly less than that. The cross section of the 315 on the 11" rim was the same as the 325 on the same wheel, 12 5/8", but rounded would be 12.6". I would expect them to be the same width on an 11.5" rim which I'm guessing would be ~12.85 +/-. I've never measured by widened wheel to determine they are exactly 11", so that could be a variable. Michelin also has a thick area near the wheel for wheel protection. That may also come into play on a wider wheel as being the widest part of the tire. [/QUOTE]
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SVT Shelby GT500
295/35/19 x 335/30/20 with Custom cut wheels, Need advice please
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