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3.73 to 3.31 pumpkin swap, durability question....

Broken2g

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while we are on the topic. Has anyone ever run the American Muscle 20" Performance pack rims in the back with the stock fronts?
Yes, I run my factory PP rear wheels in the front with spacers and the 20" PP wheels in the rear with 305/35's. I still have the 3.73 and run a Whipple with 709 whp and the cars hooks from 2nd up when temps are around 70 or higher. I would highly recommend getting an alignment if you never have, that alone has helped greatly with traction and stability of the car.
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Tammaro21

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Yes, I run my factory PP rear wheels in the front with spacers and the 20" PP wheels in the rear with 305/35's. I still have the 3.73 and run a Whipple with 709 whp and the cars hooks from 2nd up when temps are around 70 or higher. I would highly recommend getting an alignment if you never have, that alone has helped greatly with traction and stability of the car.
Nice, that's encouraging especially since you are running a pd blower...What brand of tire are you running?
 

yomamma219

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I am about to put 315/35/20 on the back of my ecoboost coming from factory 19s on a 3.31 I'm hoping the effective gearing difference isn't too bad. For the record I'm doing it more for form then function
 
 




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