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78 302 using Double Sump Ford Oil Pan


fordguy65

New Member
Joined
Jun 22, 2009
Messages
3
City
St. Paul, MN
Vehicle Year
1992
Transmission
Automatic
I have a 78 302 from a F-150 and a 69 302, They both have the front sump oil pan and the dipstick oil tube runs into the front of the timing cover case on the right (drivers side of the front motor). I just ordered the 5.0 double sump, oil pick-up tube and dipstick kit from Summit Racing(FMS-M-6675-A50). My question is can I still use the oil dip stick in the front of the engine or will I need to relocate to the rear left side like on the later model 5.0 engines. The late model 5.0 has the dipstick tube running at an angle into the block below the rear coolant frost plug. My plan was to use the 69 engine and accessories and keep it (wiring) simple.


Thank you,
Chas
 
The front dipstick ain't gonna work with a dual sump pan. The front isn't a sump, but rather a "room" for the oilpump. The oil collects there and overflows over the hill between the sumps to the rear.
 
The best bet would be the '79 oil pan (it may have been available other years, too) which has the dipstick in the driver's side of the pan itself.

This is a shot from my friend's 5.0 RX-7:
DSC02197.jpg
 
Double Sump Oil Pan/Drilling the engine Block?

Thanks for the info guys, I was thinking about drilling the engine block in the same location as the later model 5.0 blocks. The engine is all torn down so access is not a problem. Has anyone tried drilling the block? can anyone tell me if there would be issues with this idea?

Thanks,

Chas
 
What's wrong with that oil pan kit you said you had order from Summit? Under $100 is a good deal for the kit. Don't think I'd be one to be drilling into the block, you still need the other parts.
Dave
 
Thanks for the info guys, I was thinking about drilling the engine block in the same location as the later model 5.0 blocks. The engine is all torn down so access is not a problem. Has anyone tried drilling the block? can anyone tell me if there would be issues with this idea?

Thanks,

Chas

Better scrap that idea. Unless you get a machineshop to do it on a mill.
 
I have a friend using a dipstick in the timing cover, into a fox body dual sump pan. He cut/measured the dipstick while the bottom end was apart to get an accurate level out of the front "sump".
Others have commented previously that this sounds sketchy, but sometimes you just use what you have.
 
Thanks for the info guys, I was thinking about drilling the engine block in the same location as the later model 5.0 blocks. The engine is all torn down so access is not a problem. Has anyone tried drilling the block? can anyone tell me if there would be issues with this idea?

Thanks,

Chas

I think Totalled drilled his '68 302 block, that was probably about a year ago he posted that in a different oil pan related thread.

I haven't looked really hard, but I don't see where to drill on my '67 289 at, I am thinking of going with a route with less potential destruction and add the dipstick to the regular fox body pan. One with the tube in it already should be available, maybe you could return yours for it?

If you find that thread, it has how to do both ways in it.

I have a friend using a dipstick in the timing cover, into a fox body dual sump pan. He cut/measured the dipstick while the bottom end was apart to get an accurate level out of the front "sump".
Others have commented previously that this sounds sketchy, but sometimes you just use what you have.

I don't see how that would really do anything, because oil fills that up and runs into the back sump. If you are checking out of the front sump and you only have the couple cups of oil it takes to fill the front sump it would still read full.
 
Last edited:
Good point. But he filled the pan and marked the dipstick, so he can tell if that front part is full, or if it actually has a full pan of oil. (or how it looks with 4 litres or whatever he'll be running)
 
Good point. But he filled the pan and marked the dipstick, so he can tell if that front part is full, or if it actually has a full pan of oil. (or how it looks with 4 litres or whatever he'll be running)

Only thing is, the rear sump could be empty and that's where it counts.
 
Only thing is, the rear sump could be empty and that's where it counts.

I understand. I was just saying he measured how high the dipstick needed to read to ensure there was oil in the rear sump as well.
 

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