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So if you’re building a 4.25 bore 413/426 it seems there are not many choices except custom piston$. Icon and others have pistons for BBF that might work and was wondering if anyone has tried or is familiar with fords. Is there any way to figure out valve layout and compare without buying...

Saw this on FB

505-CID Mopar 440 Stroker - Hot Rod Engine Tech

Dyno Test: What's Better Than a Big-Block Mopar? A Bigger-Block Mopar!

Dyno Tested! 520ci Mopar Big-Block Makes Over 750 HP!

Ok, learning everyday from the Pro’s on here, thanks in advance ! I have a 383/489 with flat tops. I was going to use a set of ported 516s I bought and swap to dish pistons but I just got some Stealths to use instead. So I’m keeping the flat tops. .... 4.5cc, 82cc, .051 gasket and comp roller...

I bought these from a guy who upgraded to Indy SRs. They’re fully ported and look real good. I was told they had 2.14 intakes but measure bigger. Like 2.18 ??? The exhaust are 1.74s. They are fresh off motor with 50 miles on them. They need to be cleaned, couldn’t get better pics. Any idea on...

I picked up a new 440 Source 383/489 spinning assembly with rings, bearings A fresh machined .030 over 383 block with billet caps installed. Bare ported 906 heads (won’t be using) Nice hooker fenderwell headers A big block A-body radiator (I think) Moroso pan, tray, pickup B&M flexplate...

I just got a 440 edelbrock topend from a guy who’s 440 spit out the mains and crank. It was a 493 with dome pistons, stage 2 edelbrock 84cc heads, victor, and a custom comp 272@50 .645 lift solid roller. The cam got tossed also. I have pics of dyno sheets, like 660 HP. So anyway I have a 499...