pvenuti Posted July 20, 2010 Share Posted July 20, 2010 Just cruising along in 4th at 2800 rpm and I swear it sounds like it’s popping ever so lightly out the exhaust. It’s a rebuilt EJ22 with 4k miles on it. I believe the lifters are hydraulic and it has a pair of delta cams that bring the power above 3500 RPM. Maybe I’m just hearing things? Link to comment Share on other sites More sharing options...
Fairtax4me Posted July 20, 2010 Share Posted July 20, 2010 Could be because of the cams. Take the muffler off and see how it sounds. JK, but it might be due to a leak or might be an exhaust shield rattling around. Link to comment Share on other sites More sharing options...
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