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1979 5sp 928 project
 
Join Date: Apr 2012
Location: Boise Idaho
Posts: 199
Garage
confused on correct fluids

I remember an old post on prefered oil but could not find it again.

I would like to know what everyone recomends for

A) Engine oil

B) Manual transmission oil (not sure if atf or 75/90 gear oil

C) any other fluids that are better than the rest.

I just read that Dano recommended the Zerex G-05 antifreeze.

I'm putting together a list so thats ize never forget.

I have a 79 stick

also how the heck you fill up the tranny. I want to replace all fluids before I drive much more.

Thanks for your help

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1979 928 5sp project
1984 928S 5sp black on black
Old 06-24-2012, 06:31 PM
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Pete R's Avatar
 
Join Date: Oct 2010
Location: New Hampshire
Posts: 2,331
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oh boy..
Just use the correct weight oil. If it has ZDDP even better.

The tranny oil is a gear oil. It will differ slightly if you have a limited slip or not. I like to use synthetic because it helps with cold shifting.
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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
Old 06-25-2012, 04:17 AM
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Kool
 
AirtekHVAC's Avatar
 
Join Date: Mar 2012
Location: China Grove, NC
Posts: 1,808
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LoL...an age old loaded question. Everyone has an opinion or preference.. lots of good info comes out of it. (I asked the same question a few months ago)...so far, I have decided on 20w50 for the engine...and that's as far as I got before I had to stop work and move.

Good luck...I too am trying to iron it out..
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Ron
1978 5sp (#30) project-Wreckscue, 1979 5sp Euro Project
1982 5sp resto project, 1985 Auto S3
1984 Parts car (the fire car) 1987 s4 (parts, or maybe project)
(Yes, I now have 4 project Sharks)
Old 06-25-2012, 06:24 AM
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Join Date: Mar 2011
Posts: 93
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If you are running dino oil currently, you might as well stick with it, there are some good options. I dont know too much on the synthetics, but zddp is needed for wear prevention. i use Valvoline VR1 Racing oil 20w-50. it advertises a high ammount of ZDDP in it and does the job for me and easy to find at any autozone or napa/orielly usually.

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My Car:
84' 928 S with Euro Mods - Quartz Gray Metallic (Quite the project!)
Old 06-25-2012, 09:06 AM
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