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He shifted it around 6500-6800. Obviously he broke it with excessive RPM. And it had heavy TRW 6 pack slugs in it.

What stories do you guys have?



You are making me cringe.

GTX still has "old school" 440 that I built in the mid 90's. Mcandless ported heads with oversize valves, battleship springs with titanium retainers and max wedge rocker gear with a 590 cam.

Forged six pack slugs, LY rods that are shot peened with ARP bolts.

On its best pass (11.2 at 124) it went through the traps at 7200. I remember looking at the tach as the needle was rising wondering if the blow shield would hold if the flywheel let go...

Motor still runs great though I bet the ring seal is not as good as it once was and she marks her spot time to time.


Sounds like my old combo except I ran the heavy TRW2295 pistons and 6 pk rods. Crossed the stripe at 6800 and ran 10.82 in my Cuda. The most consistent motor I ever had. Ran for 14 yrs until bang at the stripe. Was not pretty. Broke the block, cam, one 6 pk rod in 4 pieces and 3 more twisted like pretzels.

Ok