400 Non Stroker Build

Bronson77 said
The thumpr is 227-241@ .050 and

480's-.490's lift. But with stock rockers lift is more like .450's and .460's.
LCA is 107
This is the cam used in the link I posted above. I believe IQ52 did that build?

Nope. Not me. Never in my life have I run a Thumper cam. Not my style.