I have bragged on here about my old 416" W5 motor that Ryan helped me with.

It was a basic as it could be custom nothing other than Ryan porting the heads and Indy Intake manifold.

It was callies 4" crank Scat off shelf chivy rods shelf diamond flat tops. Compression was 11 to 1 ran it on 94 Octane gas.

Shadydell W5's with Indy intake 1050 Holley
Et streets on cal tracs thru exhaust went 9.96 at 136MPH at 3250lbs......... So tell your buddy to put that in his pipe and .......

It can easily be done with a 4" crank and some Big Indys or W5's nothing to fancy needed