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218 Posts
it's pretty tough to make a lot of NA power w/ these motors. costs quite a bit of money.
skunk2 stage 2 cams, ferrea bronze valve guides, titanium retainers, dual valve springs, some new valves w/ a multi angle valve job, port and polish head..... you can get a chipped p13 ecu or you can use a program like chrome to tune it with. that obx exhaust is restrictive though
skunk2 stage 2 cams, ferrea bronze valve guides, titanium retainers, dual valve springs, some new valves w/ a multi angle valve job, port and polish head..... you can get a chipped p13 ecu or you can use a program like chrome to tune it with. that obx exhaust is restrictive though