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Author Topic: Anyone else having trouble with rubber carb spacers?  (Read 1551 times)

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Offline MitchiePinto

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Anyone else having trouble with rubber carb spacers?
« on: November 28, 2012, 03:44:44 PM »
I posted a thread on here about my car not staying running etc....

Maybe its the rubber 1" spacer?

1st its warped not by much but it wont hold a straight edge and its also hard as rock is this normal or should it be somewhat soft/flexible/sink in?

Everytime I take the carb off its soaked with fuel?

Already tried RTV slackening the spacer to manifold and using a thick paper gasket on top where it meets the carb with the same results.

Also tried bolting it down as tight as I could get it without the aluminum snapping.

I choice to use the rubber gasket because of the 4 cylinder vibrations.

Is it the spacer?

How about a  1" aluminum spacer on a 4 banger?
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Offline cabecho

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Re: Anyone else having trouble with rubber carb spacers?
« Reply #1 on: November 28, 2012, 04:12:22 PM »
I always use a Phenolic spacer. and use a gasket between the intake and the spacer and the between the spacer and the carb. phenolic wont warp, and it always runs a lot cooler than plastic and aluminum.
The fact that is soaked with fuel is not normal your carb may have a leak. what carb you have?
And the rubber gasket wont make a difference with the vibration.... 
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Aerodynamics is for those who can't build engines

If ford pintos are not fast then why chevy's have to use there parts to make them fast?

Offline MitchiePinto

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Re: Anyone else having trouble with rubber carb spacers?
« Reply #2 on: November 28, 2012, 04:54:06 PM »
I'm using a 2150 MC, Ive tried two other carbs a 2100 and ford ranger 1bbl with same results

I also epoxied the tiny hole in the corner for the choke, because I'm running a manual choke not the stock vacuum one

Already tried paper gaskets between the intake and carb

I think since with these spacers you can see the in print of the carb you last had on and me trying on a 2150 when a 2100 was on there originally caused the imprint to get dissorted and made a big vacuum leak.

Whats best the spacers with the two holes or open ones with no throttle plate holes

and there expensive $80 for the average one from summitt

Also finding a rubber spacer seems impossible looks like only racerwalsh Carry's them

Il try a Phenolic spacer but first want to be sure that its the casue.
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