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Tippy Tippy is offline
Chain fence eating turbo
 
Join Date: Dec 2008
Location: Austin, TX
Posts: 9,132
Turbo oil drain to engine oil drain AN fitting size?

First off, I DAFS!

After draining to the chain cover without a 100% success (leaks oil even after new fittings and line plus is right next to exhaust to turbo flange), I was wondering what fitting I need to adapt the -10 AN hose to the engine oil drain plug boss?

Engine is an '87 C3.2L (3.4L now) BTW.

I saw someone post M20 X 1.5 but I've had no luck sourcing such a fitting.

Where to get this and is this the size I am after for mine?

Second, I question all together if this is a better method. I would think the sump would maintain a certain level of fluid which would somewhat stop the gravity feed from the turbo into the sump.

What am I missing? TIA
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Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR, 993SS cams, Borg-Warner S366 turbo @ 1.2-1.5 bar, Treadstone full bay IC, 70mm TB, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MicroSquirt AMP'd w/GM smart coilpack, Bilstein coilovers, Tramont replica Speedlines (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel

Last edited by Tippy; 06-06-2011 at 10:44 AM..
Old 06-06-2011, 10:42 AM
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