working on this 53 Merc flathead, going to remove the oil pump but it looks like some kind of modified setup - I'm just wondering what it is - and it looks like I have to remove the byp*** nut and spring and there's a socket head bolt down in there, I think. Mostly, I'd like to know what this pump setup is.
I've never seen anything like it, and don't know why anyone would need anything more than currently offered by most vendors. There's a big contingent of flathead experts on the Fordbarn who think anything more than stock is a waste. Even in the olden days there was the Lincoln V-12 pump which pushed more volume, and it didn't require cutting on the housing. Your pump looks Ford-ish, but not early Ford flathead.
Brazing...he cracked it getting it out. Weirdo pickup...pump was from a '49 merc or a pickup, and he couldn't find the right pickup for a center sump '53, so he made this elegantly curved baroque version in the Home Depot plumbung aisle.
Here's the pump removed, and there is a 5/16 socket head in behind the byp*** nut, you can see it sticking out below the pump mounting flange. Also attached is a picture of the pan, with the stellings breather removed, which is chromed but turned green (oh, sorry, patina) from it's 50 years of sitting. The pan has a couple of npt fittings welded into it with AN fittings on the outside, which he apparently had hooked to an aircraft oil cooler (which I got with the motor), however there weren't any lines inside the pan like you'd expect with a full flow filter or cooler..............weird. The pan doesn't have any ribs on it.
That appears to be a Ford "long" pump, modified for some racing application. Originally, that pump had a fitting and bowl type of pick up that mounted directly to the pump. I have one in my engine in my 32
Don't keep us hanging on...take apart that byp*** thing and see what's in there! Pump...what numbers and stuff are cast into pump body and cover? Any E's or Q's????
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