New 440 Source 4.500" Bore RB Block

RustyRatRod said

Thanks for this information, Tom. Maybe one of these days I can build a real engine. LOL

Click to expand...

Yep, depends on what "real" is in the eye of the beholder. I know I'll be pushing the limits of a factory 400 block pretty soon and it isn't "real" to a lot of drag racers.