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Old 04-28-2006, 07:24 PM
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55 Chevy Fuel Pump Question

I'm installing a 1973 Chevy 350 in my 55 Chevy. I'm still using the front motor mounts. When I tried using the stock 73 fuel pump I was having major problems getting the fuel line to the carb. to keep from hitting the motor mount because there is only about 2 inches in between. I tried bending it down and then it interfered with lower radiator hose. I finally gave up and bought a 55 fuel pump that solved all the clearance issues. When I installed it I had to hold it against the block or the lever would push it out. Does anyone know if there were differences in the pumps. I put the stock one in the other day and it didn't do this. I'm 90% sure the push rod that runs the pump was in the up position in motor. I'm going to check it tomorrow unless someone tells me the pumps are different. Thanx for any help.

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Old 04-28-2006, 07:37 PM
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fuel pump installation

The 73 block should have a 3/8 threaded hole in the front of the block to hold the push rod up while changing the pump, if you install it before removing the old pump. There's a short bolt in most of the holes to prevent oil leaking out the hole. Remove it and install a longer one to hold the rod place. If you've already removed the old pump, hold the rod up and have some rotate the engine (by hand ) until the rod rises, then tighten the bolt to hold it up while you install the new pump. Don't forget to remove the longer bolt and replace it with the short one you remove.
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Old 05-01-2006, 10:06 PM
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I've never seen one that didn't require some pressure against the spring to get the pump all the way seated onto the block.
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Old 05-02-2006, 03:50 AM
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Thanx You're right. I got it running and it works fine . It just seemed to require more pressure to install than I remember . Oh well, as long as it's working I'm happy!
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