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Forum: General Q & A

10-05-2005, 04:32 PM

Replies: 1

454 HO identification?

Views: 972

Posted By Phazer

454 HO identification?

There's a 454 on eBay (4580035468) from a boat, but the guy's showing what appears to be a file photo from GM of a 454 HO. He says it has the good parts, but I'd rather see a picture of the actual...

Forum: General Q & A

08-04-2005, 11:59 PM

Replies: 22

454/420hp REBUILD Compression

Views: 11,494

Posted By Phazer

Re: 454/420hp REBUILD Compression

I've been keeping an eye on these posts, hoping I'm not digging myself a hole. I'm ordering parts to rebuild my '98 Mercruiser
7.4 MPI (L29)...thus far, I've got the Edelbrock aluminum oval port...

Forum: General Q & A

08-04-2005, 11:28 AM

Replies: 11

Any hidden h.p. in 310 MPI's

Views: 2,167

Posted By Phazer

Re: Any hidden h.p. in 310 MPI's

East Coast B...I like speed as much as the next guy, but my boat is a 25' cabin cruiser. I'd be happy with 45 mph, and probably won't turn over 5000 rpm. I understand my Gen VI motor has its own...

Forum: General Q & A

08-04-2005, 01:33 AM

Replies: 11

Any hidden h.p. in 310 MPI's

Views: 2,167

Posted By Phazer

Re: Any hidden h.p. in 310 MPI's

Now, I'm a bit apprehensive after finding this post. I've already bought a set of Edelbrock oval port marine heads, HP rods, and Speed Pro 9.19/1 pistons. I intend to use the stock cam and MPI...

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