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SVT Shelby GT500
335/30R20s on custom widened Forgestar F14s
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<blockquote data-quote="pureshot52" data-source="post: 15402936" data-attributes="member: 178365"><p>If you assume the starting F14 Wheel was 20X11 +56mmO/S then widening to 20x11.75 would put you at +65.526mm O/S.</p><p></p><p>Compared to the Shelby Alocas starting at 20X9 +24mmO/S then widened to 20X12 which become +62.1mmO/S</p><p></p><p>Your 20x11.75 +65.526mm has .2mm more inside clearance and 6.2mm less stick out than a 20X12 +62.1mmO/S. So you should have had less issues than some of the Shelby projects.</p><p></p><p>I will not have the option of 20X11.75. I have to go 20X12 or 20X11.5 and I can select the offset. Seems most Aloca's widened to 20X12 have had no real issues with the rears rubbing with that spec? I have seen some with issues with 20X11.5's as the sidewall bulge becomes as issue.</p><p></p><p>Any updates on rubbing after the mods would be helpful. I have decided the BC Forge RZ39 is the most likely final option. It's a true forge monoblock. They can make most anything I select in terms of offset. I am still focused on the 20X12 +62.1mm O/S.</p></blockquote><p></p>
[QUOTE="pureshot52, post: 15402936, member: 178365"] If you assume the starting F14 Wheel was 20X11 +56mmO/S then widening to 20x11.75 would put you at +65.526mm O/S. Compared to the Shelby Alocas starting at 20X9 +24mmO/S then widened to 20X12 which become +62.1mmO/S Your 20x11.75 +65.526mm has .2mm more inside clearance and 6.2mm less stick out than a 20X12 +62.1mmO/S. So you should have had less issues than some of the Shelby projects. I will not have the option of 20X11.75. I have to go 20X12 or 20X11.5 and I can select the offset. Seems most Aloca's widened to 20X12 have had no real issues with the rears rubbing with that spec? I have seen some with issues with 20X11.5's as the sidewall bulge becomes as issue. Any updates on rubbing after the mods would be helpful. I have decided the BC Forge RZ39 is the most likely final option. It's a true forge monoblock. They can make most anything I select in terms of offset. I am still focused on the 20X12 +62.1mm O/S. [/QUOTE]
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SVT Shelby GT500
335/30R20s on custom widened Forgestar F14s
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