What cam for 454 mag?
 

Putting my old motor back in boat to sell freshining it up first before install need cam similar to orig carburated 1995 gen v magnum 365hp or mild upgrade that wont revert with stock exh manifolds.Any suggestions would be helpful.Thanks

you might want to call bob madera[rm builder]he has a ton of knowledge about cam selection.

This would be very close to the stock Gen V flat tappet cam. Very slight bit more lift.
http://www.summitracing.com/parts/cc...make/chevrolet

Stock cam specs are
224/224 @.050"
510/510 lift
115.5 LSA

Don't do any more cam with stock exhaust. Asking for reversion

My buddy ran a 236/245 114lsa flat tappet for many years in upgraded 454 mags, and stock iron center rise manifolds. No reversion. I wouldn't have believed it, but it worked.

A good hyd roller grind, some roller rockers, will wake the engine up big time. Stock cam is very mild.

comp cams xm262h works great with stock springs and manifolds..

Good choice to use a stock replacement and will not have reversion issues.

Two,
The Merc 431-9830 cam is still available through GM dealers as GM part #14096209. GM rates this cam as 220º/220º @.050 .500/.500 LSA 115º, while other sources rate it 224º/224º @.050 .510/.510 LSA 115.5º. Either way it's the same cam. They have a version of this cam ground +5º as part# 10185060. The 14096209 cam has an intake lobe centerline of 114º ATDC and the 10185060 has an ICL of 109º ATDC advancing the ICL 5º. Both part #s are still active @ Scoggin-Dickey.

Bob

Yoots,

Here is the link


http://store.chevroletperformance.co...-14096209--%3E


Bob

I just opened up an original 454 mag carb engine that had been sitting for years..... You are welcome to the stock cam if you like.... this was a forged crank motor with dimple rods and 7-16 bolts so I guess it was the High power version... there are some numbers on the end of the cam I can get you if you like... everything looks real good and I am using the crank for a nice buildup soon.... TBF