Care to speculate my 340?

jerry6 said

You should be close , I hit 398 hp 413 tq with light porting on x heads 10.5 Mahle pistons and Air gap intake .

Click to expand...

But at what rpm?

Oh yeah isn't there a stock stroke aluminum head hyd roller 340 from MRL that made 470 hp and 400+ torque, that a member has? I can think of the member name at the moment.