finding gaskets for 7.4 L

[TitanTn]

I am doing a "refresh" on my 7.4L 454. The boat is a 1986. While scrounging for parts, I discovered that the water pump can be sourced at the local parts store by looking at a 1973 Corvette. Well, now I'm about to buy gaskets. Valve cover, oil pan, and exhaust manifold. Any ideas on what I should ask for at the parts store? They get completely befuddled if you have to tell them that it's a boat. I'm just not sure if I should be sourcing from an 1986 truck, or a 1973 Corvette. Thanks.

 

[picklenjim]

Re: finding gaskets for 7.4 L

First of all t's not a good idea to run an automotive water pump. The marine ones use stainless steel parts. As far as those gaskets I would tell them a '86 truck or suburban. I wouldn't say '73 corvette as the heads may get confussed with the possibility of the large ports ones. What you have is a Mark IV big block chevy which were made from 1965-1990 with small port heads.

 

[TitanTn]

Re: finding gaskets for 7.4 L

That's great info to know. Thanks!

I'm not concerned about running the non-marine water pump as my boat will never see anything close to salt-water. I've run auto water pumps for years with no side effects.

 

[cr2k]

Re: finding gaskets for 7.4 L

You will want SS head gaskets too.

 

[Don S]

Re: finding gaskets for 7.4 L

Finding gaskets with SS in them may be tough anymore. Find a set of Felpro composit head gaskets. They will work just fine. You just don't want head gaskets with steel in them. The corrode and fail quickly.

 

[Pete104]

Re: finding gaskets for 7.4 L

Judging by his other post, he ain't doing anything. But so many do this & that's he may change his mind again.

 

[Don S]

Re: finding gaskets for 7.4 L

But so many do this & that's he may change his mind again.

Want to reword that so it means something?

 

[TitanTn]

Re: finding gaskets for 7.4 L

Judging by his other post, he ain't doing anything. But so many do this & that's he may change his mind again.

I'm not sure what this means, or maybe it's not even talking about me. But I am putting in an exhaust gasket and have a Felpro set on order.

Interestingly enough, the previous owner did not have any gaskets on the exhaust manifold at all. Just metal to metal.

 

[joewithaboat]

Re: finding gaskets for 7.4 L

Finding gaskets with SS in them may be tough anymore. Find a set of Felpro composit head gaskets. They will work just fine. You just don't want head gaskets with steel in them. The corrode and fail quickly.

Last i knew the 17000 series Felpro had a stainless core. Have they changed them? I think Felpro was bought by someone else recently. I have not bought any in a couple years.

 

[picklenjim]

Re: finding gaskets for 7.4 L

I'm not sure what this means, or maybe it's not even talking about me. But I am putting in an exhaust gasket and have a Felpro set on order.

Interestingly enough, the previous owner did not have any gaskets on the exhaust manifold at all. Just metal to metal.

I think he might have meant you aren't removing the head so the head gasket everyone is talking about is of no concern. I have worked on cars that came from the factory with no exhaust gaskets. Your doing the right thing.

 

[TitanTn]

Re: finding gaskets for 7.4 L

I think he might have meant you aren't removing the head so the head gasket everyone is talking about is of no concern. I have worked on cars that came from the factory with no exhaust gaskets. Your doing the right thing.

Ahh, that makes sense. Thanks for the clarification.

 

[picklenjim]

Re: finding gaskets for 7.4 L

Last i knew the 17000 series Felpro had a stainless core. Have they changed them? I think Felpro was bought by someone else recently. I have not bought any in a couple years.

The stainless core Felpro's are still availiable. Be ready to lighten your wallet by a Bengi for a pair of'm.
http://www.summitracing.com/parts/FEL-17040/

Felpro's owned by Federal-Mogul who also owns a lot of other parts companies.