Coolant flow and vacuum pump

Discuss (and cuss) the Nissan LD-series OHC Six diesel engine, popularly available in the US in 1981-83 Datsun/Nissan Maxima Sedans & Wagons.

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DanDizzo
Posts: 14
Joined: 9 years ago

Coolant flow and vacuum pump

#1

Post by DanDizzo »

I am building a rat rod 1946 ford truck with LD28 power.
I'm not going to run a heater core at the moment and not running any vacuum pieces.
Do i loop the 2 hoses together (with leopard duct tape)?
Can i plug the oil lines to the vacuum pump?
Can i plug the coolant line that is on the drivers side?
See pictures for explanation.
Also, is there any aftermarket exhaust options?
Thanks in advance,
I've included a picture of the truck for reference.
Attachments
1946 Ford 1 ton
1946 Ford 1 ton
IMG_20160518_203055.jpg (1.12 MiB) Viewed 3735 times
Coolant hose
Coolant hose
IMG_20160519_182859.jpg (697.09 KiB) Viewed 3735 times
vacuum pump
vacuum pump
IMG_20160519_182917.jpg (1.19 MiB) Viewed 3735 times
Heater Hose lines?
Heater Hose lines?
IMG_20160519_182849.jpg (1.29 MiB) Viewed 3735 times
LD28 pulled out of someone's Ford Ranger project, (they didn't complete), for my 1946 Ford 1-Ton Rat Rod project
Carimbo
Posts: 467
Joined: 18 years ago

Re: Coolant flow and vacuum pump

#2

Post by Carimbo »

You won't be running auto trans or power brakes that need vacuum? EDIT: OK, from the pic it looks like manual tranny?

How about unbolting the vac pump entirely from the rear of the alternator? (Three screws.) Then you could simply plug the vac pump oil feed and return fittings at the block.

OR: Substitute the LD28 alternator/vac pump assy. with a newer, simpler, more powerful alternator?
DanDizzo
Posts: 14
Joined: 9 years ago

Re: Coolant flow and vacuum pump

#3

Post by DanDizzo »

Correct, No power or auto.
I was thinking a single wire alternator. But, i'm trying to keep it cheap right now.
I'll remove the pump. thanks!
Now to figure out these coolant lines...
LD28 pulled out of someone's Ford Ranger project, (they didn't complete), for my 1946 Ford 1-Ton Rat Rod project
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