Quote:
Originally Posted by bobcowan
Use caution with your head selection. I'm using some Dart Pro-1 195 heads. They have a 2.02" intake valve. A couple of years ago I tried a set of Brodix heads, with 2.08" valves. I lost all my low end torque. The intake was too big for the throttle body, and the intake charge lost it's velocity. The intake valve should not be larger than your carb/TB bore.
Your carb bores are 48mm. Your intake valves are 50mm. You might have a mis-match there. The blades and other stuff do take up some space, so you might be OK. If you haven't purchased your heads yet, you might reconsider that choice.
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Wow - thank you for reminding me of this. I read this and did not apply - I will. Exactly the reason I am here. My builder does not know Webers - the Cam specs freaked him out.
If it is to be - it is up to me.
I appreciate your input.
chr