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-   -   Oil pump failure (https://www.offshoreonly.com/forums/general-q/361574-oil-pump-failure.html)

speicher lane 07-05-2019 01:42 PM

I just re-read my post - to be clear, I wasn't stating that your engine was cavitating. Specifically directed towards the hacked up cobbled together engine b4 it ate itself up.

Hope you get it squared away...

Melbatoast 07-05-2019 02:06 PM

Here’s pictures of the dist. The tang doesn’t look beat up at all. Do you think that the wear marks on the gear are to low? https://cimg1.ibsrv.net/gimg/www.off...e008ed429.jpeghttps://cimg2.ibsrv.net/gimg/www.off...76b368c12.jpeg

Melbatoast 07-05-2019 02:10 PM

I’ve also grabbed the tang with needle nose and tried to twist, pull, wiggle it but it doesn’t budge

F-2 Speedy 07-05-2019 02:42 PM

What distributor and intake are they, did you check the clearance on the oil pickup to pan ? pump might be cavitating if its to close to the pan, spinning it on a drill is much faster than at idle.

Melbatoast 07-05-2019 02:48 PM


Originally Posted by F-2 Speedy (Post 4695239)
What distributor and intake are they, did you check the clearance on the oil pickup to pan ? pump might be cavitating if its to close to the pan, spinning it on a drill is much faster than at idle.

its a msd I can’t give the model off the top of my head. The intake is a edelbrock rpm air gap. I haven’t check clearance on the oil pick up it’s a milodon pan and they’re oil pick up. I use the same set up pan and pick up on another motor with no issue. Not ruling that out tho

14 apache 07-05-2019 03:57 PM

The tang is beat up it is not engaged enough that's why there is no oil pressure. It needs a slip coller distributer. The tang is rounded over on the drive side

Baja Rooster 07-05-2019 07:15 PM


Originally Posted by 14 apache (Post 4695249)
The tang is beat up it is not engaged enough that's why there is no oil pressure. It needs a slip coller distributer. The tang is rounded over on the drive side

Worked until the metal fatigued, rolled over, then poof - game over?

Makes sense to me.

14 apache 07-05-2019 07:19 PM


Originally Posted by Baja Rooster (Post 4695281)


Worked until the metal fatigued, rolled over, then poof - game over?

Makes sense to me.

yes. you can evin see it's driving low on distributer gear.

SABER28 07-05-2019 08:07 PM


Originally Posted by 14 apache (Post 4695249)
The tang is beat up it is not engaged enough that's why there is no oil pressure. It needs a slip coller distributer. The tang is rounded over on the drive side

this is the only explanation that makes any sense. good news its easy to fix.

14 apache 07-05-2019 08:12 PM


Originally Posted by SABER28 (Post 4695291)
this is the only explanation that makes any sense. good news its easy to fix.

it's easy fix but have to hope he didn't damage crank and bearings.


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