Engine What Are These Threaded Oil Holes?

86mustanglx · Oct 23, 2016

I'm pretty sure the oil galley on the passenger side is where that oil pressure apparatus goes, but does anyone know what the hole on the drivers side by the filter is? Is it just plugged?
Put the engine in the car this weekend and really looking to get it all sealed up and primed...

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Gearbanger 101 · Oct 23, 2016

Drivers side is the oil pressure sending unit.

I can't be 100% certain from memory, but I want to say the passenger side is for a ground strap, or some sort of mounting bracket?

General karthief · Oct 23, 2016

The first pic is oil pressure the second I think is for a hanger that is for the wire harness that runs back to the starter but that in a fox body. Stick a pick in it and see if it bottoms out at only a inch or maybe inch and a half. Timing cover and motor color makes me think this is a older non roller block? Are put'n a roller motor in a vintage car? Good start.
Some questions, mechanical fuel pump? If so you did put the eccentric thingy on the cam? What'cha building?

General karthief · Oct 23, 2016

Gearbanger 101 said:
Drivers side is the oil pressure sending unit.

I can't be 100% certain from memory, but I want to say the passenger side is for a ground strap?

Better with a pic.
What he said

86mustanglx · Oct 23, 2016

Thanks for the quick replies! You guys are 100% right, just took a glance in with a mirror and a flashlight and it bottoms out, not an oil galley hole at all! I feel like an idiot now!

Anyway, little background, its an 86 5.0L in an 86 Fox. It is a roller block that I rebuilt some time ago and am just putting in now

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86mustanglx · Oct 23, 2016

I'm running the electric fuel pump, the boss for the mechanical pump is present in the timing cover, but there is no opening.

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General karthief · Oct 23, 2016

Nice start. Gt40p heads and lower intake, what upper you got? What cam you run'n?

mikestang63 · Oct 23, 2016

CUrious why you are running that timing cover with the opening for a mechanical fuel pump on on EFI setup. You sure that is for a reverse rotation water pump?

General karthief · Oct 23, 2016

Is there a difference with timing covers with reverse rotation?

86mustanglx · Oct 23, 2016

This was the timing cover that came off the motor. There is no actual opening for the pump, it's sealed off in the casting. There is just the imprint for it

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General karthief · Oct 23, 2016

Never seen one like that, learned something.

86mustanglx · Oct 23, 2016

Maybe because it's an 86 they carried it over from the carbed 85 motor?

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General karthief · Oct 23, 2016

Thats a first for me but I'll believe it.

FourEyed · Oct 26, 2016

My 86 has the same cover, built in late 85.

Engine What Are These Threaded Oil Holes?

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