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Join Date: Jul 2005
Location: Cleveland, OH
Posts: 1,367
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Turbo scavange pump and front oil tank..
For you turbo guys who are running 930's with turbo scavange pump, where to you plumb the outlet of the scavange pump if you're running front oil tank? ...all the way up front to oil tank? seen folks remove pump and just run it into valve cover, but heard that was bad. thoughts?
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10-31-2006, 12:43 PM
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Join Date: Jan 2005
Location: KENDAL,CUMBRIA, UK
Posts: 1,580
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HI Joe how old are your crankcases, or have you a oil sump plate or just a sump plug??. we use to extend the sump plate down and run the oil return from the turbo in there and let the oil pump in the engine return the oil, if you have a late case then i would take the sump plug out and return in to there, then take the pump off the back of the cam box.
regards mike |
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10-31-2006, 03:27 PM
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Join Date: Mar 2002
Posts: 3,563
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Re: Turbo scavange pump and front oil tank..
Quote:
People have also gravity drained the oil into the lowest point on the chain housing/cover without any issues. It *may* require a 0.5-1.0" flange/spacer between the turbo and header flange to lift the turbo up slightly, but it's worked fine for the aftermarket turbo crowd, so a *normal* 930 will work too  The engine oil pump has a lot of scavenge capacity, so it will be fine.
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Merv '89 911 Turbo Cab Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition 
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10-31-2006, 06:13 PM
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Location: Cleveland, OH
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car is 82 930. Interesting point on connecting it directly to the sump plate drain hole, but i'd be scared it would get knocked off in any off track excursions. ...can is dedicated race car.
Anyone have any idea what the 935's did? |
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10-31-2006, 07:21 PM
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Join Date: Apr 2002
Location: Cheraw, SC
Posts: 811
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Joe:
Mine did drain into the lower left valve cover (1,2,3 side) but I now have a hose that goes the length of the car back to the front oil tank.
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Brian Keith Smith |
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11-01-2006, 11:17 AM
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Join Date: Mar 2002
Posts: 3,563
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Quote:
Curious, why didn't you stick to the valve cover gravity drain solution?
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Merv '89 911 Turbo Cab Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition
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11-01-2006, 07:13 PM
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Join Date: Jun 2001
Location: Sweden
Posts: 5,910
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We drained it into upper valve cover on TT:ed 3.6. Yeah, it's bad in theory but oil volume actually pulled trough BB Garrett's is negliable. Lower chain cover should be fine.
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Thank you for your time, |
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11-02-2006, 12:45 AM
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Try not, Do or Do not
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Although I believe running a dedicated oil line from pump to tank, the Supertec sump cover may offer some interesting options.
   
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Henry Schmidt SUPERTEC PERFORMANCE Ph: 760-728-3062 Email: supertec1@earthlink.net Last edited by Henry Schmidt; 11-02-2006 at 07:05 AM.. |
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11-02-2006, 06:40 AM
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I may have to try that
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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11-02-2006, 06:56 AM
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Porsche
Retor 911
Scarab
Riley
