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> Full flow question, relief pistons?
jhadler
post Oct 2 2009, 11:35 AM
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I searched, I read, I think I understand...

However, one thing still isn't clear. The oil pressure relief pistons... Do they need to be changed, altered, modified, etc?

The setup I think should be: Case will be tapped and pluged. A Schadek 30 mm pump with full flow port, going to an external filter assembly, with a thermostat feeding an external oil cooler, then plumbed back to the case. Cutting the engine mount for clearance of the full flow line(s) seems to be straightforward enough. Filter would be mounted where the fuel pump (now in front) used to go.

Any other issues that I missed?

-Josh2
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Mark Henry
post Oct 12 2009, 11:10 AM
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QUOTE(jhadler @ Oct 2 2009, 01:35 PM) *

I searched, I read, I think I understand...

However, one thing still isn't clear. The oil pressure relief pistons... Do they need to be changed, altered, modified, etc?

The setup I think should be: Case will be tapped and pluged. A Schadek 30 mm pump with full flow port, going to an external filter assembly, with a thermostat feeding an external oil cooler, then plumbed back to the case. Cutting the engine mount for clearance of the full flow line(s) seems to be straightforward enough. Filter would be mounted where the fuel pump (now in front) used to go.

Any other issues that I missed?

-Josh2


Are you deleting the stock cooler? Bad idea... even for most race applications.
A remote cooler in the rear is useless.

Filter (adapter) MUST be the first thing from the oil pump and close to the engine, as it has the most resistance.
Mount it straight up/down so it doesn't make a mess when you change the filter.
(At first I thought you were saying you are mounting it in the front trunk.)

Oil lines to the front should have as few turns as possible and a quailty cooler, with good airflow, shound be used.

That 30mm pump creates a lot of pressure when cold, so your filter, fittings and oil lines better be up to the task. I use Parker Push-loc, no clamps.
Use a steel pump cover and you have to modify the one engine mount on a 914.

BTW I've built quite a few full flow setups on type 1 and 4 engines.
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