 gear oil for transmission |
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| TomR |
 Dec 23 2010, 07:52 PM
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#1
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Newbie  Group: Members Posts: 27 Joined: 29-August 10 From: delaware Member No.: 12,117 Region Association: None  |
Hi out there! I'm the proud owner of a '73 914. just had tranny rebuilt. It is a stock '73 sideshift. Not sure what kind of gear oil to use to break it in & then maintain it. any suggestions on brands and weights would be great. Thx for all your help!
Tom (IMG:style_emoticons/default/evilgrin.gif) |
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| sww914 |
Dec 23 2010, 08:02 PM
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#2
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Advanced Member Group: Members Posts: 2,439 Joined: 4-June 06 Member No.: 6,146 Region Association: None |
Several people posting will recommend Swepco 201, including me.
I get a good deal on it at GPR, an advertiser here. A couple others will say that their local auto parts store brand will work fine. Some more will say that there is a Swepco conspiracy and that Swepco will destroy the world and render all life forms in the universe infertile. It's blue so you can tell what's leaking. (IMG:style_emoticons/default/smile.gif) |
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| dangrouche |
Dec 23 2010, 08:23 PM
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#3
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dangrouche Group: Members Posts: 550 Joined: 1-May 04 From: San Francisco Bay Area Member No.: 2,012 Region Association: None |
I have used both; found not much of a difference. For the price of one gallon of a Swepco, you could have paid for two gallons from the FLAPS. Since I have used both, I would default to the one that is cheaper and then flush it with the second gallon. When I owned a tail dragger, nothing but the best, so I used Swepco. Now that I only have the teener, then I go cheap, though I could afford Swepco. Dino oil is what the tranny was designed for back in the day. Now that I have rebuilt a couple of trannys, I see that dino oil still kept the insides well lubed and the gearsets are no worse for wear. the wear items are always the dogteeth and the syncro bands (which can be re-used if the band still has tension and some surface)
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| underthetire |
Dec 23 2010, 08:27 PM
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#4
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914 Guru Group: Members Posts: 5,062 Joined: 7-October 08 From: Brentwood Member No.: 9,623 Region Association: Northern California |
Dino oil. At 60 bucks a gallon for sweepco, I can change it a lot !
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| smg914 |
Dec 23 2010, 08:36 PM
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#5
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Sahara Beige Steve Group: Members Posts: 1,962 Joined: 22-February 04 From: Tampa, FL Member No.: 1,695 Region Association: None  |
Use the SEARCH function at the bottom of the page. Search for; gear oil
You should find a lot of in depth discussion on the subject of what is the best gear oil to use in a 914 transmission. Many people swear by Swepco and I'm sure it is probably the best. I believe it's pretty expensive ($55.00 a gallon) compared to normal name brand gear oil. I've been using Valvoline 80W90 Gear Oil for over 30 years in my street Porsche's an have never had a transmission issue. I do however change the transmission gear oil every 2 years. |
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| Dr Evil |
Dec 23 2010, 08:40 PM
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#6
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Send me your transmission! Group: Members Posts: 22,999 Joined: 21-November 03 From: Loveland, OH 45140 Member No.: 1,372 Region Association: MidAtlantic Region 
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Read my 31 pages of transmission notes below in the link about gear oil, it should answer all of your questions (IMG:style_emoticons/default/smile.gif)
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| bmtrnavsky |
Dec 23 2010, 09:41 PM
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#7
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Member Group: Members Posts: 355 Joined: 20-October 07 From: Longview, TX Member No.: 8,245 Region Association: Southwest Region |
QUOTE(Dr Evil @ Dec 23 2010, 06:40 PM)  Read my 31 pages of transmission notes below in the link about gear oil, it should answer all of your questions (IMG:style_emoticons/default/smile.gif) Wow... Just read all 31 pages! Great stuff! Thanks! -Brad |
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