Re: fuel pump

Posted by HH56 On 2021/4/11 19:26:13
I believe you are speaking of the cylindrical object on the output side fuel port. It is called an air dome and is essentially a hollow chamber full of air. The purpose was to smooth out the pulses from the fuel pump to give a more steady flow of fuel to the carb. It was found to be not necessary and dropped after 51. Vendors may have it but more than likely will need to come off a parts car. If wanted it can be eliminated as long as the port opening it screwed into is plugged.

I don't believe there are any rebuild kits for horns. Unless one has gotten water soaked and rusted internally or the air horn was filled with debris and plugged up (wasp nests make good plugs) usually about all that goes wrong is the contacts inside get oxidized and fail to make contact. A good cleaning of the contacts is all that is usually required to get them working again. If the old connector wire has hardened and deteriorated, that can also be fairly easily changed.

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