ghaskett Posted August 26, 2016 Share Posted August 26, 2016 Opened up 65 Riv 401 and the eccentric was missing. It was using a loud electric fuel pump. I've heard that you leave the eccentric on, even if using electric pump. Is there going to be a problem? Thanks Link to comment Share on other sites More sharing options...
60FlatTop Posted August 26, 2016 Share Posted August 26, 2016 I wouldn't expect a problem as long as the bolts didn't go in too deep or some space was used to compensate. As long as it's apart use a caliper to check the depth of the bolt threads. It would be a good idea to leave it on in case you wanted to change back to a quiet original pump. Bernie 2 Link to comment Share on other sites More sharing options...
old-tank Posted August 26, 2016 Share Posted August 26, 2016 There are quiet pumps out there: https://www.summitracing.com/parts/CRT-P60504 Good and quiet pump, but cannot be used with mechanical since no pull through...would need to loop around with a check valve. 1 Link to comment Share on other sites More sharing options...
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