Quote:

Quote:

The bigger bore helps unshroud the valves but if your
using a 2.02 valve it doesnt matter... I use 340
blocks because all my stuff has the small mains...
I went with a 416ci for my street/strip





Can you explain "Unshroud the Valves?"
Also - the 340 has smaller mains - less resistance I assume - is a cast crank not good for this?
I plan on 10:1 comp at the most??
Thank you very much guys!!

Wally.




As the air is coming in it hits the bore on half the
valve
so the bigger bore helps ... you got the idea of
the smaller mains