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So what are the limits on these motors?

2K views 0 replies 1 participant last post by  Utah03Cobra 
#1 ·
I am seeing all these tunes, downpipes, intakes and exaust for these things. Does anyone know what these motors will take and live a long life on 91 oct? I am coming from and 03 Cobra that was making 750+ to the tires on 100 octane w/stock motor and ran it HARD for years. I know the Cobras were (pretty safe) at 800 or so with the right tune from MR BROOKS, and fuel. Anyone really leaned on one of these trucks yet?
 
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