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Post Info TOPIC: How much force should it take to move the fuel pump rod?


Canadian Poncho Superstar!

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How much force should it take to move the fuel pump rod?


I bought a new fuel pump last week for my 283 and it takes major push to move the rod.  With my old ones I could push it with my hand without much difficulty but this one I have to grab it and push it down against the bench.  Is that normal or is this stiffer than what it should be?  I'd appreciate an expert opinion.



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Jerel


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Sorry not an expert.winkBut depends on the pump I think. Have had a few where I have had to put the arm on a bench and push the pump down to be able to move it.



-- Edited by hawkeye5766 on Sunday 10th of July 2016 09:42:20 PM

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A Poncho Legend!

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hawkeye5766 wrote:

Sorry not an expert.winkBut depends on the pump I think. Have had a few where I have had to put the arm on a bench and push the pump down to be able to move it.



-- Edited by hawkeye5766 on Sunday 10th of July 2016 09:42:20 PM



Ditto. To me, I would think that one you could compress with just your hands is weak.

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1966 Strato Chief 2 door sedan 283 "survivor"


Poncho Master!

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My Melling high volume fuel pump (for BBC) was very stiff, could not push by hand, during install I just slowly tightened the bolts to the motor and that provided pressure to compress it.

Dave

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56Pontiac  1956 Pontiac Pathfinder 2dr sedan, 496 - dyno'd 545 hp, stick shift, 4.11 posi - Hot Rod

  1964 Acadian Beaumont SD convert, 283 - factory 195 hp, Powerglide, 3.08 10-bolt - Cruiser

  2012 US-built crew cab truck - Daily Driver and Boat Trailering



Poncho Master!

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The lever on the pump is very stiff, or at least should be.  The rod in the block that contacts with the lever should glide down very easily on it's own.  Put some grease on the rod in the block to hold it up while installing the new pump.



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1966 Chevy Biscayne -- Sleeper

 



A Poncho Legend!

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Yes, or run a bolt into the front of the block that runs into the bore where the rod is to hold the rod up. I've never done it but I hear it's there for that reason.

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1966 Strato Chief 2 door sedan 283 "survivor"


Poncho Master!

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Carl Stevenson wrote:

Yes, or run a bolt into the front of the block that runs into the bore where the rod is to hold the rod up. I've never done it but I hear it's there for that reason.


 But don't forget to put the original short bolt back. Without it you'll have a big oil leak. Seen it before when guys change their own pump. A feeler gauge works good too for holding the rod up on install. 



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Canadian Poncho Superstar!

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Thanks guys. Other pump I was comparing to was almost brand new too but way easier to press. The Mexican one is the stiff one and the American one is quite easy. Will put her in and hopefully the fuel flows. Thanks again for the input.

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Jerel
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