Hi. I recently purchased a distributor cap and rotor for our `75. The cap on the car has three screws holding the coil cover on. The new cap is made for two screws to hold the cover on. The GM part # on the box is 1974408. I`m wondering if I have the wrong cap or are the current replacements just made like this? Thanks for any help.
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Re: 1975 Distributor Cap
Brian-----
The original distributor cap used for 1975-77 Corvettes with HEI was GM #1875963. This cap was discontinued in 1979 and replaced, for SERVICE, by the 1978+ PRODUCTION cap, GM #1974408 also known as Delco D336. So, while the cap that you have is not the original cap for your application, it should SERVICE your application.In Appreciation of John Hinckley -
Re: 1975 Distributor Cap
Brian-----
The original distributor cap used for 1975-77 Corvettes with HEI was GM #1875963. This cap was discontinued in 1979 and replaced, for SERVICE, by the 1978+ PRODUCTION cap, GM #1974408 also known as Delco D336. So, while the cap that you have is not the original cap for your application, it should SERVICE your application.In Appreciation of John HinckleyComment
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