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440 priming issue

Started by runningman, August 05, 2009, 04:17:08 AM

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runningman

August 05, 2009, 04:17:08 AM
Buddy of mine is having issues with his 440, I guess on startup there is no oil and he has to loosen the filter a bit and retighten to get it to prime.  After warmup his pressure is dropping low as well, anyone have any ideas?  Thanks

Matt

firefighter3931

#1
August 05, 2009, 06:58:42 AM
Matt, did he use the priming rod with a reverse drill before initial fire-up ? It could be a cracked pickup tube (sucking air) or possibly a stuck bypass. Excessive clearance in the rotors will also cause low oil pressure....how old is the pump ?


Ron
68 Charger R/T "Black Pig" Street/Strip bruiser, 70 Charger R/T 440-6bbl Cruiser. Firecore ignition  authorized dealer ; contact me with your needs

runningman

#2
August 05, 2009, 08:33:58 AM
Ron, I got this info second hand so I will try to get some more specifics.  I will ask him about these possible causes.  Thanks!

Matt
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