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Forum: General Q & A

04-11-2016, 07:19 PM

Replies: 44

454 compression test question

Views: 34,627

Posted By dereknkathy

ok, those blocks were last built in 1990. so the...

ok, those blocks were last built in 1990. so the probability of them being new in 97 not so good...and raw water cooling all it's life. the blocks will stand up to raw water cooling as long as not...

Forum: General Q & A

04-11-2016, 05:19 AM

Replies: 44

454 compression test question

Views: 34,627

Posted By dereknkathy

the leakdown test already showed you it was...

the leakdown test already showed you it was valves. and there are SOOOOO many sets of peanut heads laying around. I am not sure if I have 1 set or 2 right now, plus a couple sets of l29 heads. and...

Forum: General Q & A

04-11-2016, 01:23 AM

Replies: 44

454 compression test question

Views: 34,627

Posted By dereknkathy

everything depends on what it was repowered with....

everything depends on what it was repowered with. in 97, it could have been a round port 8 to 1 motor or L29-ish oval port 9 to 1 motor. and were they bought complete new as a package from merc or...

Forum: General Q & A

04-10-2016, 03:16 PM

Replies: 44

454 compression test question

Views: 34,627

Posted By dereknkathy

unless he has recent receipts, replace the...

unless he has recent receipts, replace the exhaust manifolds...

Forum: General Q & A

04-10-2016, 04:14 AM

Replies: 44

454 compression test question

Views: 34,627

Posted By dereknkathy

ok, whatddya mean by repower? new engines? or...

ok, whatddya mean by repower? new engines? or new rings and rod bearings? whose engines? meaning whose exhausts are on the engines? how many hours on the exhausts? my hatteras had new Indmars...

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