Pump will need to come off. If the shop epoxied in the bushing per Stanadyne instructions AND rear seal is rolled then I'd say it's the seal. If the brass pilot tube was sealed with some other method there's a good chance fuel leak is BETWEEN the housing bore and tube OD. A pressure test would show that with a test shaft with seal installed in the tube. There should be NO air bubbles on the tube OD. I only use the two part epoxy as the service tubes are loose in the housing bore. I also modify the pilot tube bevel so the rear seal enters easier.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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