cam without heads
You'll see benefits, but not as much as you might with heads/cam.
remember, big is not always better.
good luck,
Eyad.
A cam with a little more exhaust duration might work a little better.
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i have to disagree with the lower duration for more power though, look at other peoples dynos. ive never seen a 224/230 make more then a 230/236. maybee if your talking in the lower rpms, yeah it would but who wants low rpm power anyways

