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Head Gasket replacement

GAS engine, transmission and generator repair and maintenance discussion forum.
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Topic author United States of America
Bella Notte
Scurvy Dog
Scurvy Dog
Posts: 18
Joined: January 15th, 2014, 7:50 am
Vessel Info: 1979 voyager 3326
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Head Gasket replacement

Postby Bella Notte » December 16th, 2014, 12:42 pm

Bella Notte is a 1979 voyager 3326 with Crusader 350 engines.

Has anyone replace the head gaskets on a 79 350 engine?

I had a marine mechanic look at it and he said he would be glad to do it, that was 3 months ago. So now I'm going to try it myself and I was wondering if there were any tricks of the trade that might help and make it easier. I'm planning to do it with the engine still in the boat.

As the boat is on the hard in Maine it will be April before it is warm enough to make this repair any help or suggestions willl be greatly appreciated.

Marine mechanics in this area are very few and far between.

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United States of America
waybomb
CYO Moderator
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Posts: 1926
Joined: February 5th, 2013, 9:24 pm
Vessel Info: 1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glaspar / 1969 Johnson Electrmatic 85
1964 Barron Flat bottom drag boat
A couple of dinghies
Location: Saint Joseph and Trenton, MI
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Re: Head Gasket replacement

Postby waybomb » December 16th, 2014, 8:47 pm

Go for it. No tricks, but if you have not done this sort of job before, take pictures. Every step.

Get some cardboard and punch holes to hold the various bolts in order.

Be a total anal person when removing gaskets.

Keep the pushrods and rockers in order.
Do not use much silicone gasket sealer. If you clean the surfaces, you njeed none other than maybe in the corners of the intake where the head, block, and manifold meet.

You dont need any "sealer" on the head gasket. None. Clean the surfaces very well.

Simple work, but it takes time. So take your time and do it right.
Thanks
Fred
1964 Barron Flatbottom with BBC Chevy
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572s
http://s4.beta.photobucket.com/user/waybomb/library/
Past - 1988 2807, 1989 4207 Aft
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Lyndon670
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Joined: July 29th, 2013, 11:35 pm
Vessel Info: 2000 Carver 506
Volvo TAMD74EDC
Location: Georgian Bay
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Re: Head Gasket replacement

Postby Lyndon670 » December 17th, 2014, 7:54 am

Its a simple "disassemble/reassemble" job. As Fred said - keep track of what bolts go where as some of them will have different lengths, take pictures. Very important is to have the RIGHT tools. Its the difference in getting the jop done right versus breaking something/rounding the head off a bolt and botching the job. Get an engine manual with step by step instructions. It's not rocket science for sure, basically just bolts and nuts.
Lyndon,
2000 Carver 506
FOXY JOE
Volvo 7.4TAMD
Queens Cove Marina
Georgian Bay, Ontario
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Topic author United States of America
Bella Notte
Scurvy Dog
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Posts: 18
Joined: January 15th, 2014, 7:50 am
Vessel Info: 1979 voyager 3326
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Re: Head Gasket replacement

Postby Bella Notte » December 19th, 2014, 7:47 am

Thank you. Makes me feel better to hear both replys. I'll take the advice.

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