Thread: 454 marine engine questions

Tweet

Oh, being a used motor, I am seriously thinking about just pulling the 454 in the spring (or whenever I free up garage space to store motor) and going through it anyway just to be safe. Little things like compression test etc I can do in boat, but I would probably pull it to change heads and cam.

To answer you above question about $$, I am not opposed to spending money, or I wouldn't have a boat LOL

What do yo mean by "running valves" Never heard that term. Also, I know it seems early to be planning this if I don't intend to do much until spring, but I never like to jus rush into anything. Just basically trying to get ideas. Thanks

Originally Posted by AdamB

Oh, being a used motor, I am seriously thinking about just pulling the 454 in the spring (or whenever I free up garage space to store motor) and going through it anyway just to be safe. Little things like compression test etc I can do in boat, but I would probably pull it to change heads and cam.

To answer you above question about $$, I am not opposed to spending money, or I wouldn't have a boat LOL

What do yo mean by "running valves" Never heard that term. Also, I know it seems early to be planning this if I don't intend to do much until spring, but I never like to jus rush into anything. Just basically trying to get ideas. Thanks

Running the valves just means to set the valve lash.
If you are not opposed to spending money then I would build the 496 with a forged 4340 rotating assembly.
Forged flat top pistons.
A moderate hyd. roller cam.
Either a large oval port head or a smaller rec. port head.
Yes, on a 496 I would run the 850 carb.