Originally Posted by
Captcrunch44
Yep APC. 16X10. It was awesome to see how it pulled on my test stand. Need to make the stand a little more Secure for the next 180HC.
Want to really hear it sing?
Get a 12mm "Big Bore" carb for the FA-220 and drill the updraft portion of the FA-180 intake manifold to 12mm.
(leave the horizontal portion alone, it will increase intake charge velocity)
I picked up 200 RPM with an 18x8 (8400 RPM)
If you haven't read it, I did a comprehensive evaluation of compression and induction modification power gains in
THIS THREAD.