454 magnum upgrades??
Platinum Member
06-30-2005, 08:26 AM
#4
JC Performance Engines
Gold Member
Re: 454 magnum upgrades??
I just rebuilt my mark IV 454mag to 461ci 9.4:1 comp.
Only thing I left was the block, crank and conn. rods.
All else is new.
560hp/550lb torque.
But i'd still rather have more cubes.
How much you wanna spend.
And there is much discussion on this in the Tech Q&A section.
Only thing I left was the block, crank and conn. rods.
All else is new.
560hp/550lb torque.
But i'd still rather have more cubes.
How much you wanna spend.
And there is much discussion on this in the Tech Q&A section.
