Hey, i recently purchased used RC modified fuel injectors and they came with no O-RINGS, so i went to my local autozone and found ones that fit perfect and are a tad bit thicker, thinking they might seal alot better i purchased them but now i come across different opinions stating that i need to use VITON rubber as my o-ring seal. I went back and they didnt know if these were VITON so im here asking if it really matters what type of rubber is used for my orings on my top feed injectors.
i had a similar issue and after not finding any conclusive info on the o-rings, i went to a dealer and bought a new set. Quite expenssive, but worth it for the peace of mind.
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