What kind of "full flow" is this? Also, wtf??

[airschooled]

Anybody seen this kit before? I'm tryin to advise a customer on why his oil pressure is low after he installed a cooler with this "kit" a buddy gave him. As far as I can tell, the pump hasn't been removed to block the output off, so I'm not sure if the cooler does anything. However, the pressure relief piston (and spring?) would have to be removed for this install.

Any guesses as to what's going on here??
Robbie

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[mcdragracer]

I would be EXTREMELY! concerned about all of the silicone on the
oil pump cover.

[clonebug]

Looks like a pushloc swivel hose nipple using non pushloc hose and a clamp.
That can't be a good combo......

That full flow cover looks pretty thin too.
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[Clatter]

http://vwparts.aircooled.net/Full-Flow-Oil-Return-Adapter-1971-Dual-Relief-p/ff-return-adapter.htm
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[esde]

WTF indeed.
Best thing to do is throw that mess away, and put it back to stock.
I'll bet he didn't plug the pump outlet, and even if he did, those return adapters are lousy at best. And, as mcdragracer noted, the copious amount of silicone...
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[Dale M.]

Sort of subscribe to theory that outlet of pump not plugged...

The amount of silicone would make me want to investigate deeper...

Dale
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[Eaallred]

As long as the oil pump is plugged, then it is an actual full flow. This method disables the stock oil cooler control though.

Not the "best" way to do it, but it does work
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Eric Allred

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[busdaddy]

It may be OK if you live in a warm climate and avoid the high viscosity oils, not worth the risk for me.

How about all that missing tin?, maybe a good look a the cooling system is in order before resorting to external coolers?
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[rockerarm]

Yes, I've seen this kit before, in fact it is a BugPack oil bypass adaptor, now owned by empi, and I have one of the BugPack units on my daily driver type 1.

As Eric Allred, a respected member here, stated it is not the best but it does work.

I would agree, looking at the pump body's dirty look, the pump output may not have been plugged.

A correct diagnosis would be to verify oil pressure with a gauge, R&R that cover and pump to verify correct tapping the outlet, and duplicate the running of the engine. Verify correct hook up to filter and cooler. possibly by-pass the filter by running hose out of pump and back into the case. Hope the engine aint damaged.

My use of this adaptor on a worn engine (210+ degrees, 20psi oil pressure, at 3500rpm freeway speeds) has been used for approx. 8 years, with Delo straight 40wt oil year around, in SoCal.

[mark tucker]

it is crap, pure crap, get it off. the hole in the case where the piston seats is n ot big enough to flow enough, also that thingy does not seal to that seat and the oil go's past and back into the case via the vent hole in the bore for a vacuum break. it also lets the main gally that intersects it to leek past back into the case. it is and has always been a pos made by bugpoop.( like so much of their useless shit that is /was crap long before empi bough them) with some creative machining and possiably some welding it can be made to work....but why. throw it away. or do like I did and hang it on the wall of shame with the rest of the shit that should of not been made or made rong by "ex~sperts"in their field....field of dreams I think.

[raul arrese]

Yep . listen to Mark , it causes a constant pressure leak internally.
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[airschooled]

Just to wrap this up: Mark is right. The whole design is shit; I didn't bother to look at the construction quality.

We went back to stock on the engine. Turns out the "mechanic" who installed it for him took the original spring, cap, and piston, so he had to source new ones. Correct, the old oil pump was never pulled and blocked. Right now we have the stock 26mm pump and oiling system, pressure is above 10psi at idle after a rip around town. Freeway drives should calm it down to 3-8psi at idle like it used to be.

Now he wants to install a CB in/out pump.

Robbie
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[richparker]

The CB in/out pump is great and it greatly reduced my temps. It is not an easy add on in a T1 powered bus with the mustache bar. I had to have a custom mustache bar made inorder to use the pump. It's a nice pump though.

Whatever you do don't use those F-ing hose clamps. Please use proper fittings or you're asking for more issues.
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