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Old Guy
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What oil to run
OK guys i know everybody has a opinion but what is the best oil for a 95000 mile
motor better yet what oil do you run
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1963 Corvette 1969 Z/28 DZ 302 Silver & Black one owner me 1991 Mazda Miata 2011 F250 {work truck] 2011 Sicon XB LE [Wifes Car] 1983 944 Slant Nose Wide Body [Mine] |
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in my '84 944, i personally run castrol gtx 20w50 down here in florida. i've been running it since 2001, from 68k miles at purchase to 105k miles right now. she seems to be doing all right on dino, and i just can't bring myself to bother switching to synthetic.
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Mike - CFI, A&P Mechanic w/ I.A., Aztec driver at Island Tyme '88 951S - zermatt silber/black - staying stock. purchased in 11-2006 '84 944 - gemini grau/tan+brown - lightly modified. purchased in 11-2001 2021 Tesla Y - to get me to work |
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I have been using Mobil 1 15-50 and add zddp myself from LR. I will be switching to Amsoil on my next change however (and add zddp) or use the race oil with it in it. I'll see how that goes. my car has 130K and a lot have been on the track.
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1979 928 85 Euro 2v motor,S4 Brakes and suspension, 1988 951 street legal track car(sold) Neon SRT4 track car |
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Old Guy
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My car is just a weekend driver so it sets most of the time maybe 3000 miles a year that was
my only thought on oil
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1963 Corvette 1969 Z/28 DZ 302 Silver & Black one owner me 1991 Mazda Miata 2011 F250 {work truck] 2011 Sicon XB LE [Wifes Car] 1983 944 Slant Nose Wide Body [Mine] |
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Have 202K on mine also run castrol gtx 20w50 and recommend it alot. Helps keep nice oil pressure even in a tired Engine.
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87 944 - Daily Driver - Son took it and now brought it back |
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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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+1^
Castrol GTX 20-50 Change the oil and filter every 3 or 4 thousand miles No oil leaks on FOES-front of engine seals-- in over 13 years on both cars AZ summer temps are over 100 degrees for 4 to 5 months John
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1988 924S, 85,750K ..+ 1987 924S, 154K DD (+15K est. bad odo) |
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Join Date: Dec 2007
Posts: 1,231
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Redline 20W50.
Picked a case up on ebay for $72 shipped. Cheaper then Mobil 1 (at that price!) and supposedly better. |
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porscha
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20w50 castrol gtx it was 30$ for the 8.8 liters lol! you need 6.5
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porsche 944 1986 NA 8 valves 230k Kilometers on the clock weltmeister chip and coil springs , KYB gr-2 shocks all around , weltmeister throttle cam ! REbuilt head and all new sealed Upper motor ! fresh Canada , Quebec |
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Join Date: Jan 2004
Location: Northern Virginia
Posts: 3,347
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15w-50 or 20w-50 in the summer and 10w-40 in the winter.
I am sure Ernie, or someone else can post the ownersmanual page with the oil viscosity preferences.
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1970 914-6 Past: 2000 Boxster 2.7, 1987 944, 1987 924S 1978 911SC, 1976 914 2.0, 1970 914 w/2056 |
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ASE Master
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Oh gawd, am I actually participating in an oil thread?
Valvoline VR-1 20-50 and a Mahle filter from Pelican. I'll also run Hastings or Baldwin without hesitation. Got the VR-1 because it was convenient and has the ZDDP. I'd really rather be running a 10-40
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1989 944S2 (sold after 11 great years) 1980 911SC Weissach (bucket list car) 1975 914 1.8 (future restoration) 1993 968 Coupe 6 speed (new acquisition) |
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Parrothead member
Join Date: Jul 2003
Location: Monmouth county, NJ USA
Posts: 13,848
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any name brand 20/50 Usually use Castrol GTX
I also run 15/40 Diesel oil, such as Rotella t or Chevron
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Vinny Red '86 944, 05 Ford Super Duty Dually '02 Ram 3500 Diesel 4x4 Dually, '07Jeep Wrangler '62 Mercury Meteor '90 Harley 1200 XL "Live your Life in such a way that the Westboro Baptist Church will want to picket your funeral." |
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[QUOTE=alfadoc;5906977]Oh gawd, am I actually participating in an oil thread?
Yes you are, no doubt about it ,hard to stop once started unless you blast it. ![]() Good old Castrol GTX 20w50 for me.
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Old Guy
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[QUOTE=ernie9944;5907263]
Quote:
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1963 Corvette 1969 Z/28 DZ 302 Silver & Black one owner me 1991 Mazda Miata 2011 F250 {work truck] 2011 Sicon XB LE [Wifes Car] 1983 944 Slant Nose Wide Body [Mine] |
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Seems some have had problems with seals going from Dino to synthetic.
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Registered
Join Date: Nov 2005
Location: Visalia, Ca
Posts: 1,327
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I started running Mobile 1 10w-30 then went to Penzoil platinum 10w-30. Then recently i have been running Shell Rotella 10w-30(40)? it's cheap and is a great oil.
I'm going to give valvoline vr1 20w-50 a try here in the summer and see how it works out.
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Jaime O. Thank god I crashed or i would never have owned a porsche 83 944 daily driver (clutch and tt time) 85 325e BMW T-boned R.I.P. |
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Brad Penn....1989 3.0 liter
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Quote:
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My car is dedicated for track use and I put Brad Penn 20W50 racing oil.
I used to put Mobil 1 15W50 full synthetic when I was driving it on the road. It has 96000 miles on it. Last edited by Dimi 944; 03-17-2011 at 06:41 PM.. |
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Under the car
Join Date: Jan 2008
Location: Ross, Ohio
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Quality
Join Date: Oct 2007
Location: Philadelphia area and Morristown NJ
Posts: 951
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0w-40 or 5w-40 in winter works (flows well when cold)
10w-50 or 15w-50 for summer is good. If it's super hot out 20w I suppose...?
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85.5 944 NA 5spd - Sold but not forgotten 89 951 Turbo S - Revival in progress... ![]() |
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