just rebuilt a Motorcraft 2100; how many gaskets under it???
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Fleet Mechanic
Joined: Jul 2011
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From: Columbia, Missouri
just rebuilt a Motorcraft 2100; how many gaskets under it???
The rebuild kit came with 4 (yes, that's right, four) identical gaskets to go between the intake manifold and the carb. There was only 1 there when I took the carb off of the 360 in my F-250.
Should I put more than 1 back in?
Should I put more than 1 back in?
Post Fiend
Joined: Apr 2002
Posts: 19,311
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From: Waterloo, Iowa
Is there a spacer? You want a carb spacer. That's why 2 gaskets are needed. They often include extra gaskets in the kits depending on the application, there were differences over the years. Smog stuff has more holes, basically.
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Fleet Mechanic
Joined: Jul 2011
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From: Columbia, Missouri
There was no spacer there when I took the carb off of the truck and no spacer was included in the rebuild kit. It had one gasket before that was about the same thickness of one of the gaskets in the rebuild kit.
I've got it back together now (with one gasket) and it's running.
Should I take it back off and put more of the gaskets in? It would be a minor pita to do so, but not that hard to do if it's necessary.
I've got it back together now (with one gasket) and it's running.
Should I take it back off and put more of the gaskets in? It would be a minor pita to do so, but not that hard to do if it's necessary.
Post Fiend
Joined: Apr 2002
Posts: 19,311
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From: Waterloo, Iowa
Yes, there should be some kind of spacer between manifold and carburetor, either phenolic or aluminum. Usually about 1/2". Post a pic of your setup. It helps keep fuel from boiling in the carb among other things.
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Fleet Mechanic
Joined: Jul 2011
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From: Columbia, Missouri
Well, I doubt anyone could see what I have even if I did take a pic as the carb is back on the engine. All you'd see (if anything at all) is the carb and the intake manifold. The one gasket won't even show up.
I'll try to get a spacer and install it. If I have to I could take one of the extra gaskets and have one made from aluminum. A half inch (+/-) ya say?
First I'll try NAPA and the web.
Well; NAPA and O'Reilly and Summit Racing don't show anything online but I bet if I take one of the extra gaskets to town with me tomorrow to match it up to someone will have it.
Thanx again.
I'll try to get a spacer and install it. If I have to I could take one of the extra gaskets and have one made from aluminum. A half inch (+/-) ya say?
First I'll try NAPA and the web.
Well; NAPA and O'Reilly and Summit Racing don't show anything online but I bet if I take one of the extra gaskets to town with me tomorrow to match it up to someone will have it.
Thanx again.
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Post Fiend
Joined: Apr 2002
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From: Waterloo, Iowa
Wood. Easy to make. Cherry, walnut. Even plywood. The 2 barrel spacers are tougher to find, though they are available.
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Fleet Mechanic
Joined: Jul 2011
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From: Columbia, Missouri
Thanx for the tip on wood. That I can do. I'm better at wood than metal anyway. O'Reilly is seeing if they can order one, but won't know until next week. I can have one made and installed before then.
Post Fiend
Joined: Apr 2002
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From: Waterloo, Iowa
I looked on eBay, there used to be a guy who sold phenolic spacer kits for 2 bl "Holley" style carburetors, with manifold studs and washers, but I don't see them anymore. I see a few 1" performance types but they get kinda spendy for not much benefit for your purposes. The main thing is to get the carb away from some of that intake manifold heat. Sometimes too the accelerator linkage stuff won't line up right without a spacer. On my old slick the spacer is just a spacer, on later smog era engines they start providing vacuum to PVC valves, or power brakes & c.
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Fleet Mechanic
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From: Columbia, Missouri
OK; I've learned something new again today.
I took the air cleaner off to see how much of the studs were sticking up so I would know how thick I could make the spacer.
The spacer is there!!! What I thought was the top of the intake manifold is actually the top of the spacer. So I'm pretty sure that all is well.
Thanx, Tedster. You've been more of a help than I could ever express.
I took the air cleaner off to see how much of the studs were sticking up so I would know how thick I could make the spacer.
The spacer is there!!! What I thought was the top of the intake manifold is actually the top of the spacer. So I'm pretty sure that all is well.
Thanx, Tedster. You've been more of a help than I could ever express.
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