40mopar Posted October 29, 2017 Share Posted October 29, 2017 I think I may need to replace the fuel pump on a '38 Pontiac 6 cylinder. The original pump was single action, but the replacement I have is a duel diaphram. Can I use the new one as a fuel pump only? If so, do the ports on the vacuum section need to be plugged? Thanks. Link to comment Share on other sites More sharing options...
auburnseeker Posted October 29, 2017 Share Posted October 29, 2017 Why not hook the extra ports up to your vacuum system like intended? If you ever need them, it will make your wipers work alot better. 1 Link to comment Share on other sites More sharing options...
40mopar Posted October 30, 2017 Author Share Posted October 30, 2017 Converted to electric wipers. Link to comment Share on other sites More sharing options...
DonMicheletti Posted October 30, 2017 Share Posted October 30, 2017 You can use it without the vacuum side connected Link to comment Share on other sites More sharing options...
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