Mech fan suggestions…..

"mine is 3 1/2'' also , griffin 2 row, w/ 1 1/4'' tubes . cut the mounting brackets off and heli arced 1 1/2'' x 1 1/2'' angles flush with the front , to get that ."

How much did that adjustment gain you in depth? Thanks.

dont remember but the rad. has to be right up against the cradle , no gaps.
A short fan clutch is mandatory , hayden 2947 i think --------