makemefaster Posted September 18, 2009 Report Posted September 18, 2009 I just had my juggs ported aggressive dune and my factory head milled and domes cut so now can i go with a 4mill or would i have to get different juggs and head? Quote
jbooker82 Posted September 18, 2009 Report Posted September 18, 2009 You will probably need new jugs. The ports on yours are probably opeand up to far to recorect the port timings for the 4 mill crank. Most guys that run a 4 mill run a cool head with custom cut stroker domes. josh Quote
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