Re: Heat deflecting plate under carb

Posted by Owen_Dyneto On 2015/6/2 22:25:57
Unless you live in a brutally hot climate or at high altitude (or both), you really should have no problems with vapor lock even with E10 gasoline if the engine is in good tune and the cooling system is functioning as designed. Making a heat shield for the carburetor might help but shouldn't be needed, though the fuel pump heat shield is important. Also important (where specified) are the insulating blocks beneath the carburetor, between the fuel pump and block, and the bolt-insulating sleeves on the fuel pump mounting.

UPDATE: here's a couple of photos of a carburetor heat shield on a 356 engine - perhaps these will help you design and fabricate something - it's pretty simple and should be duck soup to make. There are two small right-angle brackets welded to the shield which mount under the two inboard carburetor retaining studs. I don't recall the source of the photos, but my thanks to the original photographer.

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