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Major problem with new fuel pump for my Hemi.....ugh !!
#1497574
09/07/13 10:49 AM
09/07/13 10:49 AM
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Joined: Aug 2013
Posts: 10 Kyle, Tx
joeblow
OP
member
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OP
member
Joined: Aug 2013
Posts: 10
Kyle, Tx
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Ok.. Never had a mechanical fuel pump for this 426 Hemi, and now I'm trying to install an original Carter mechanical fuel pump to the engine, and it WILL NOT sit flush. I went as far as removing the pushrod, measuring it.. and yes, it's 3.25 inches long. I lubed it up, installed it, and with my finger pushing the pushrod against the cam, I had my beautiful wife manually turn over the engine while feeling for movement of the pushrod... There again, it was normal. One more thing I did was when the pushrod was receded into the block while the engine was being turned over, I then tried to install the pump, and at that time, it fit perfectly.... but only when at that position. Turned the motor until the rod was sticking out at it's furthest point, and, and no way was that pump gonna fit. WTF ?
Any suggestions ?
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Re: Major problem with new fuel pump for my Hemi.....ugh !!
[Re: mopars4ever]
#1497577
09/07/13 12:00 PM
09/07/13 12:00 PM
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Joined: Aug 2013
Posts: 10 Kyle, Tx
joeblow
OP
member
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OP
member
Joined: Aug 2013
Posts: 10
Kyle, Tx
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Before I do that, I would like a little clarification first.... The spring pressure that I feel is just a up/down of the lever with a little bit of spring resistance. It only travels about 3/8 of an inch. I cannot move the lever any further than that while I have the pump held down, and I put alot of my own force on that lever. It goes no further... I can't imagine spring tension inside of a fuel pump that I wouldn't be able to overcome on my own... That's one hefty spring in that little aluminum housing. If you happen to have a fuel pump lying around, try it and let me know if you get another 1/4 inch of movement out of it.. I appreciate your help, but I just wanna be sure so I don't break anything internally if I don't have too.
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Re: Major problem with new fuel pump for my Hemi.....ugh !!
[Re: JohnRR]
#1497580
09/07/13 01:49 PM
09/07/13 01:49 PM
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Joined: Jul 2003
Posts: 1,212 Canton, Ohio
Crazy68Dart
pro stock
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pro stock
Joined: Jul 2003
Posts: 1,212
Canton, Ohio
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Even on the back side of the lobe there will likely be some pressure keeping it from sitting flush. Maybe roll the motor over and see if it gets worse/better to make installing it easier?
383, Hemi 4-Speed, AlterKtion, D60
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