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Question about oil return

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MilwaukeeGSX

15+ Year Contributor
155
0
Jun 8, 2004
Milwaukee, Wisconsin
Well I was in the middle of doing a 16g turbo upgrade and turns out that I really F***ed up my oil return line and i stripped the bolts that are located on the oil pan so i cant really put on the first generation oil return on. So my question is exactly how much oil pressure is the in the return line? Can i just cut half of the 2g and 1g oil return lines and run a rubber hose with clamps to join them together?
 
MilwaukeeGSX said:
Well I was in the middle of doing a 16g turbo upgrade and turns out that I really F***ed up my oil return line and i stripped the bolts that are located on the oil pan so i cant really put on the first generation oil return on. So my question is exactly how much oil pressure is the in the return line? Can i just cut half of the 2g and 1g oil return lines and run a rubber hose with clamps to join them together?

I wouldnt recomend putting the two lines together with a hose and clamp..Because if it comes off you risk oil starving your turbo, and im sure you wouldnt wanna mess up your new 16g turbo..

-nick-
 
Amazin' Wasian said:
I wouldnt recomend putting the two lines together with a hose and clamp..Because if it comes off you risk oil starving your turbo, and im sure you wouldnt wanna mess up your new 16g turbo..

-nick-

Yes is know it may have a chance of coming off but i really need to get it running and this seems to be the only way it might work... So my question now is 'can it be done?' ..untill I figure somthing better?I tired to 'file the 2d line' but i really messed up and now it leaks lots of oil
 
MilwaukeeGSX said:
Well I was in the middle of doing a 16g turbo upgrade and turns out that I really F***ed up my oil return line and i stripped the bolts that are located on the oil pan so i cant really put on the first generation oil return on. So my question is exactly how much oil pressure is the in the return line? Can i just cut half of the 2g and 1g oil return lines and run a rubber hose with clamps to join them together?

Turbo oil return line doesn't have any significant pressure (only ambient crank-case pressure), so yes, rubber hose can be used. Please make sure it's not kinked when installed. Best buy a 'pre-molded' hose with any bends you need from autoparts store.

The bigger problem are stripped oil pan threads. If you find that you can't tighten bolts anymore, I suggest you retap for next size up bolt.

Keep in mind that 10mm bolts used on the return line (oilpan side) have 'soft' non-split washers on them. Use original bolts. If you lost/damaged your original bolts, find a pair of 10mm bolts without any washers (especially no split washers), same length as originals, and apply a bit of silicone on the underside of the bolt head. The reason for that is that most return-line leaks are from under those bolts heads (oil getting through the threads).
 
MilwaukeeGSX said:
Yes is know it may have a chance of coming off but i really need to get it running and this seems to be the only way it might work... So my question now is 'can it be done?' ..untill I figure somthing better?I tired to 'file the 2d line' but i really messed up and now it leaks lots of oil

He won't starve turbo if return line comes off (hence RETURN line), he'll eventually starve engine, but oil pressure gauge and light will warn him (as well as plums of smoke from under the hood :D ).
Soft lines are used for most turbo upgrades. Chance of clamps coming off is pretty slim, and even with clamps off, rubber line will still stay on (although leaking). However, line can be beaded for extra protection.
 
Newlogics said:
He won't starve turbo if return line comes off (hence RETURN line), he'll eventually starve engine, but oil pressure gauge and light will warn him (as well as plums of smoke from under the hood :D ).
Soft lines are used for most turbo upgrades. Chance of clamps coming off is pretty slim, and even with clamps off, rubber line will still stay on (although leaking). However, line can be beaded for extra protection.

damn great replies you have..
 
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