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Join Date: Dec 2006
Location: Germany
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any chance to change the oil line to the scavenge pump?

Hello,

I want to renew the oil line from the scavenge pump to oil tank.
On first view, I found that I probably need to take the engine out for this job.
Any suggestions?

Falk

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87 930 bblk/blk
88 3.6 white/blk

Last edited by Falk930; 06-13-2012 at 11:36 AM..
Old 06-13-2012, 01:07 AM
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No need to remove the engine. Drain oil, remove fittings at oil tank and scavenge pump, bracket close to oil cooler. Simply bolt on new line over the trans bell housing. Just changed mine.
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1988 930: 3.5L 100mm LN slipins, LN FFA rods, Supertec studs, GT3582R with T4 1.07A/R twin scroll housing, RarlyL8 equal length divided headers, dual Tial MVS 38mm WG's, Carrera 3.2 heads with 993 big valves. 964 Cams, full bay IC, KEP st1 clutch. PE3 sequential ECU with 750cc EV14 injectors, CoP twin plugs, J&S Safegaurd, Aquamist HSF3 water inj. Wavetrac LSD.
Old 06-13-2012, 05:43 AM
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...maybe it looks tight because I have a G50 swap...
anyway, will give it a try.

thanks
Falk
Old 06-13-2012, 05:57 AM
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Falk;

A plan "B" you might consider. This is what I did on the "Sled"

Run a 6an line from the scavenge pump outlet to the crankcase
vent cover on the top of the engine.

Scavenging Pump Fittings:

(Inlet) M16x1.5 female banjo
(Outlet) M14x1.5 female in pump (adapter, to male M16)
(Oil return to 930 tank) M18x1.5 male

Returning the oil to the crankcase instead of the oil tank is good or better
because that oil then gets picked up by the crankcase scavange pump,
pumped through the front oil cooler if it's hot enough to open the external
oil thermostat or it bypasses the front cooler if it's not hot and then it's
pushed through the spin on oil filter on the tank before draining back into
the oil tank.










Cole
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Cole - 80 930 "The Old Sled"
Mods: TurboKraft Custom IC, 934 Headers, GSX 61, Zork, Port Work, SC Cams, Air Mod Fuel Dist Relocated, Water Meth Injection, BL WUR, MSD 6530, Greddy EBC, Synapse Bov, Short 2nd & 3rd with 8:37 R&P, Wevo Shifter, Coupling, and Mounts, MTX-L SSI-4, Big Brakes, Rebel Coilovers, Bilstein Sports.
Old 06-13-2012, 07:37 AM
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Returning the turbo oil to the breather cover is a good idea.

In your '87 there may be an unused temp sensor and or thermovalve for CIS emission controls if your car had those and you've 've disabled them.
Remove it and find a metric fitting adaptor that will screw in there and you may be able run the turbo oil scavange return line back in there with no hole to drill and tap.
Old 06-13-2012, 08:19 AM
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thanks for help!
As I have already too many small projects on my Car,
I decided to exchange the oil line only and not to reroute it.

I needed to remove the front left engine tin, probably because
Of the G50 swap. Rest was easy...more or less.

Falk

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87 930 bblk/blk
88 3.6 white/blk
Old 06-16-2012, 09:00 AM
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