Stacking carburetor spacers?
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Fleet Mechanic
Joined: Sep 2010
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From: Mason City, Iowa
Stacking carburetor spacers?
I have a 4160 Holley bolted to a stock 4bbl C5OE manifold on a mildly built 302. This carb sits on top of the factory aluminum spacer, but the carb gets plenty of heat soak. I am kicking around the idea of adding another plastic 1" spacer on top of the stock aluminum one to cut down on heating and perculation to the carb. Assuming I use gaskets between each spacer, and longer carburater mount bolts can this be done? In other words can a person stack spacers? The reason I would like to keep the aluminum one is for the PCV port. This is in a '56 F-100 so room under the hood won't be of a concern.
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Increasing carb height will also improve throttle response (low/middle rpm range).....We use to build heat cheilds (just like in the pic) out of aluminum or galv metal....that is really a true heat shield that will work.
Cargo Master
Joined: Dec 2004
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From: Florence, SC
Originally Posted by LxMan1
This works better Mr. Gasket brand | Part #: 3710
Originally Posted by Beechkid
We use to build heat cheilds (just like in the pic) out of aluminum or galv metal....that is really a true heat shield that will work.
Edelbrock 2732 - Edelbrock Carburetor Adapters - Overview - SummitRacing.com
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From: Southern California
Would this function as a heat shield as well?
Edelbrock 2732 - Edelbrock Carburetor Adapters - Overview - SummitRacing.com
Edelbrock 2732 - Edelbrock Carburetor Adapters - Overview - SummitRacing.com
Its like this.....
Lets say you are in aroom where the heater is set at 110 degrees.....
the closer you move to a open window, you get a little cooler air but you are still hot, but if you move out of the room into the hallway, you don't feel the heat because there is now a wall inbetween you and the heater.
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Cargo Master
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Would this function as a heat shield as well?
Edelbrock 2732 - Edelbrock Carburetor Adapters - Overview - SummitRacing.com
Carburetor Sealing Plate, Open Center, Square Bore Carburetor, Spread Bore Manifold, .063 in. Thick, Each
...is better in that the fuel bowls on a 4150/4160/4180 hang out in the wind and will absorb more under hood ambient heat. This is the first step.
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