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I have a 2012 shelby gt500 full build engine with 4.2lc supercharger and a 168mm KB throttle body. I already have a tune for it but i have an issue when quick shifting or wot shifting the throttle stops responding and sometimes car shotdown. This issue only happens on the race fuel tune , on...

I have a 2012 gt500 with a stock transmission , the fifth gear has a ratio of .74 which am not a fan off. Can i swap it with the 2009 fifth .80 and six gear ratio and they would fit into my 2012 gear ? Do they has the same input and cluster main drive ? because the 2009 gear ratios would need...

My car is a gt500 2012 , i just had a new setup with Kennebell supercharger 4.2lc with upper pully 3.25 and %15 lower but i couldn't find the right belt size for this setup. Emailed Kennebell and they told me they don't offer belts for after market lower pullies. Tried lethal performance but...