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Question Simple oil question?

This may be a simple preference question or may spark "another oil thread". Not considering price, which oil is better for an '89 930 - Brad Penn 20W-50 or Red Line 15w-50? Car car is stock, resides in the Mid-Atlantic and is mostly street driven (spiritedly).
Old 04-10-2008, 07:03 AM
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930s rule the wasteland
 
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I would go for the heavier weight if it was my car, also run in all my v-dubs never any problems.
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Old 04-10-2008, 05:28 PM
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Mobil 1 15-50
Old 04-10-2008, 08:41 PM
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Let the oil war begin!
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Sean D. 1987 930
India Red/Beige/Black; Mahle 3.4L; Kokeln IC; K27 7200; GHL Headers; Borla Stainless Muffler; SC cams; Sachs Aluminum Clutch; Aluminum flywheel; Bilstein Sport Shocks; Adjustable Rear Sway Bar; Weltmeister Shock Tower Brace; Lowered and Corner Balanced; MOMO RSGT Seats...
Old 04-10-2008, 09:37 PM
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Quote:
Originally Posted by Miguel Antonett View Post
Mobil 1 15-50
I think you need to hunt the oil thread down and read it.
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---Les Garten---85 930, Andial IC, GHL Headers, Fabspeed Dual, K-27 HF2, 3.4 JE Full Finned 7.5:1 CR, 964 CAM'd, Carerra 3.2 Manifold Cut/Flipped, Tec3r, Siemans 55#, GSF Fuel Rails, Clewett Crank Trigger, Clewett Cam Trigger,Dual Plugged, ARP Head Studs/Rod Bolts, Clewett Wires.Tial 46mm WG, Tial 50mm BOV, WEVO Shifter,934 Boost Gauge, Wideband EGO Sensor/Gauge, C2T Head Gaskets, '88 MB 300TE,BMW R100RT
Old 04-10-2008, 10:53 PM
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Does anyone here run Pentosin Pentosynth TS 5w40?

It's a VW diesel oil for the new pump-diesels which have extremely high loads put on the camshaft for each injector nozzle??

Just a thought with all the ZDDPexpialidocious talk going on...
Old 04-14-2008, 07:20 AM
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Originally Posted by Quicksilver77 View Post
Let the oil war begin!
lol

+1
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'85 930 Factory Special Wishes Flachbau
Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P
Old 04-14-2008, 07:29 AM
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Redline is synthetic and has a higher flashpoint... that alone does it for me in a car with a very hot turbo.
I also think Amsoil synthetic is a little better than Redline.
Mobil One V-twin 20-50 synthetic for motorcycles is at the top of the list too.

I really do not like carbonized petroleum base oil or "coke" coming out of the turbo housing and clogging cam spray bars, and maybe piston squirters too.

Brad Penn is good oil no doubt, and probably one of the best for a normally aspirated engine, but a full synthetic can tolerate higher localized temperatures like those you have in a kkk turbo housing.

Thats just my opinion.
Of the two you listed I would choose the Redline for a powerful turbo motor.
Old 04-14-2008, 02:36 PM
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