Whats next on Piped Raptor
#3
#4
Either up the compression on your stock bore, or go 686/690. Those are your main options.
You could get a port job, up the compression to 10.75:1, Stage 2 cam and valve springs, on your stock bore and get good power.
Or go to a 686.
You could get a port job, up the compression to 10.75:1, Stage 2 cam and valve springs, on your stock bore and get good power.
Or go to a 686.
#7


