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- - how high could I rev up a 383 with a factory 400 flex plate (https://67-72chevytrucks.com/vboard/showthread.php?t=83848)

GMC70c20

01-04-2004 12:24 AM

how high could I rev up a 383 with a factory 400 flex plate

How high could I rev u pa 383 with a factory 400 flex plate?

djracer

01-04-2004 12:33 AM

what kind of rods are in the motor

GMC70c20

01-04-2004 12:51 AM

Factory 5.7's that was in the 350 before.

djracer

01-04-2004 12:59 AM

If its a pre 95 motor I'd not turn it more than 6000 max! If its a 96 or newer the rods are rated up to 7000rpm!

junkyardjohn

01-04-2004 02:41 AM

:bowtie:

YOU CAN REV THAT SUCKER RIGHT UP TO THE POINT WHERE IT COMES APART, & CAN SAFLY BE REVED TO WITHIN 500 RPMs OF THAT POINT.:D :D :D JOHN

Hooter

01-04-2004 03:04 AM

I have forged rods, forged pistons and a forged crank, with fully rollerized valve train and I am too chicken s.hit to rev it past 6000

rage'nrat638

01-04-2004 10:19 AM

as high as the hydo lifters will go before she brake's up scotty:D

:burnout:

when you go to far u will know:lol: :lol:

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