Powerboat Forums at SpeedWake banner

454 Merc 4bolt main gen5 needs rebuild , 502 rods+pistons , Inconels , more ..

1047 Views 0 Replies 1 Participant Last post by  HTRDLNCN
454 Merc Gen5 4bolt main out of my boat,
blew a headgasket and cooked a piston ,
will throw in the heads if you want them but they are peanut ports, .
Engine was still running and had good/normal oil pressure and water temp before I pulled it out. No fuel pump boss ,its a gen 5 but it does not have a roller cam .
No oil pan,intake,flywheel,balancer or timing cover.. $300 picked up in Lago Vista (30miles NW of Austin)

Edelbrock rpm intake for BBC , painted orange , $100 picked up

large oval ports
show up as 70-77 454,chevelle,corvette,etc
I bought them with crane dual springs and
normal car style rebuild. Do not have hardened seats.
$300 picked up

inconel exhaust valves gm set of 8 $100

Merc 454 intake $50

big Merc oil pan off 502, completely functional
but looks like c r a p .needs a good paint job

stock 502 dimple rods and forged pistons
3 OF THE 8 PISTONS ARE TOAST , looks like peice of metal bounced around them. Great for someone that only needs a couple good ones
$150 for all
See less See more
1 - 1 of 1 Posts
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.