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Forum: Do It Yourself, Boating on a Budget

08-25-2017, 06:37 PM

Replies: 27

Heads

Views: 4,958

Posted By jaybird82

hahaha. That it is

hahaha. That it is

Forum: Do It Yourself, Boating on a Budget

08-25-2017, 06:05 PM

Replies: 27

Heads

Views: 4,958

Posted By jaybird82

When I take the mag motor apart I'll check the...

When I take the mag motor apart I'll check the bearings as you suggested

Forum: Do It Yourself, Boating on a Budget

08-25-2017, 06:02 PM

Replies: 27

Heads

Views: 4,958

Posted By jaybird82

I might pull the bottom end of the mk4 just to...

I might pull the bottom end of the mk4 just to look myself but it's been built about 5 times by 2 different builders and every time after running at 5k rpms for 5 minutes it blows the dipstick and...

Forum: Do It Yourself, Boating on a Budget

08-25-2017, 04:01 PM

Replies: 27

Heads

Views: 4,958

Posted By jaybird82

I run in the upper Chesapeake around Elton...

I run in the upper Chesapeake around Elton Maryland. It has a dual plane edelbrock air gap manifold and a 750 edelbrock carb

Forum: Do It Yourself, Boating on a Budget

08-25-2017, 03:43 PM

Replies: 27

Heads

Views: 4,958

Posted By jaybird82

The mag motor came fully dressed. All accessories...

The mag motor came fully dressed. All accessories fuel pump fuel injection computer everything. If the intake manifold looks ok do you think I should stick with the fuel injection with these other...

Forum: Do It Yourself, Boating on a Budget

08-25-2017, 06:37 AM

Replies: 27

Heads

Views: 4,958

Posted By jaybird82

the boat is a 24 checkmate enforcer. I probably...

the boat is a 24 checkmate enforcer. I probably run between 4K-WOT which maybe that's why I keep spinning bearings. The mk4 is in the boat but sounds like it's starting to knock and at this point I...

Forum: Do It Yourself, Boating on a Budget

08-24-2017, 06:32 AM

Replies: 27

Heads

Views: 4,958

Posted By jaybird82

Im in west Chester pa. The mk4 ran its ass off...

Im in west Chester pa. The mk4 ran its ass off just kept eating bearings. But if they aren't the right heads I won't bother switching them over

Forum: Do It Yourself, Boating on a Budget

08-23-2017, 08:18 PM

Replies: 27

Heads

Views: 4,958

Posted By jaybird82

I guess technically I don't. I just know it needs...

I guess technically I don't. I just know it needs a valve job and by what your telling me it sounds like a stupid idea to put those other heads on it so I need find out how the water is getting in...

Forum: Do It Yourself, Boating on a Budget

08-23-2017, 07:50 PM

Replies: 27

Heads

Views: 4,958

Posted By jaybird82

Could send me that pic and info?

Could send me that pic and info?

Forum: Do It Yourself, Boating on a Budget

08-23-2017, 07:42 PM

Replies: 27

Heads

Views: 4,958

Posted By jaybird82

Thanks. I know it's not because of the valves,...

Thanks. I know it's not because of the valves, once I saw the the oil I went to a leak down as the next step to see the general health of the engine. I'm hoping an intake/head gasket issue is causing...

Forum: Do It Yourself, Boating on a Budget

08-23-2017, 06:47 PM

Replies: 27

Heads

Views: 4,958

Posted By jaybird82

Heads

I've got a mkIV 454 in my boat that has been rebuilt mutiple times by 2 different builders and every time the same result, it spins bearings. One head is a 781 and the other is an 049 which I ve been...

Forum: General Q & A

04-25-2015, 02:57 PM

Replies: 9

how many quarts?

Views: 806

Posted By jaybird82

Thanks fellas!

Thanks fellas!

Forum: General Q & A

04-24-2015, 01:25 PM

Replies: 9

how many quarts?

Views: 806

Posted By jaybird82

Mike tkach when you do an oil filter change 8qts...

Mike tkach when you do an oil filter change 8qts is all yours takes total and its full?

Forum: General Q & A

04-24-2015, 06:38 AM

Replies: 9

how many quarts?

Views: 806

Posted By jaybird82

how many quarts?

I have a mark IV 454 that has the mercrusier cast aluminum pan p/n 47552 on it but the previous owner put a universal dipstick on it that I dont believe is accurate. I was wondering if anyone is...

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