 Gear Lube |
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| Sir Nick |
 Dec 28 2016, 08:55 PM
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#1
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Sir  Group: Members Posts: 7 Joined: 27-January 12 From: Tempe, AZ Member No.: 14,057 Region Association: Southwest Region  |
Hey ya'll. I'm finally restoring my old 914-6 I've had for 35 years. Sorry, I got sidetracked by a few 911's and a 944. I've got the engine done and am considering installing a LSD in the trans. I'd like your recommendations for a LSD for street and the rare autocross? But my main question is for gear lube recommendations, both with and without LSD?
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| Mark Henry |
Dec 28 2016, 09:01 PM
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#2
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
To me you only need a LSD if you race a lot, very high HP or drive in the snow often.
IIRC the Quafe LSD is the best bang for the buck. |
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| N_Jay |
Dec 28 2016, 10:24 PM
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#3
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Member Group: Members Posts: 283 Joined: 2-March 16 From: Chicago NW Burbs Member No.: 19,720 Region Association: None |
Years ago, Swepco was the best gear oil for porsche transmissions.
Not sure if there is something better now. |
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| ConeDodger |
Dec 29 2016, 07:30 AM
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#4
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Apex killer! Group: Members Posts: 23,586 Joined: 31-December 04 From: Tahoe Area Member No.: 3,380 Region Association: Northern California 
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Swepco (IMG:style_emoticons/default/agree.gif)
Guard and Quaiffe both make great products. I would recommend a Torque biasing differential over an LSD for your stated street / autocross purposes. |
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| Mark Henry |
Dec 29 2016, 08:06 AM
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#5
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
Swepco is ok and I swear by their 101 grease, but personally I don't believe the hype on the gear oil.
To me it's just average gear oil with a pretty blue dye and a high price tag. I have two jugs of it gathering dust on a shelf in the shop. To me Kendall has always been a far superior gear oil, try Kendall NS-MP Gear Lube. (IMG:style_emoticons/default/shades.gif) |
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| N_Jay |
Dec 29 2016, 09:51 AM
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#6
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Member Group: Members Posts: 283 Joined: 2-March 16 From: Chicago NW Burbs Member No.: 19,720 Region Association: None |
QUOTE(Mark Henry @ Dec 29 2016, 09:06 AM)  Swepco is ok and I swear by their 101 grease, but personally I don't believe the hype on the gear oil. To me it's just average gear oil with a pretty blue dye and a high price tag. I have two jugs of it gathering dust on a shelf in the shop. To me Kendall has always been a far superior gear oil, try Kendall NS-MP Gear Lube. (IMG:style_emoticons/default/shades.gif) When did they add blue dye? (Yes, My SWEPCO gear oil is that old!) |
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| Mark Henry |
Dec 29 2016, 11:47 AM
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#7
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
QUOTE(N_Jay @ Dec 29 2016, 10:51 AM) When did they add blue dye? (Yes, My SWEPCO gear oil is that old!) Don't know, over 10 years. One thing I have been doing is adding 1/2 quart swepco to my gear oil so I can easily see if an oil leak is tranny or engine. (IMG:style_emoticons/default/smile.gif) |
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| johnhora |
Dec 29 2016, 12:06 PM
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#8
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Senior Member Group: Members Posts: 866 Joined: 7-January 03 From: Derby City KY Member No.: 107 Region Association: None
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I've had good luck with Sta-Lube in 901 ZF LSD equipped transmissions:
 You can get it online or at your local NAPA. Used Swepco for may years in 911/914...good oil and the best for finding leaks...always a little purple spot under any transmission using it....whether old or just rebuilt.... No weeping problems with the Sta-Lube Used Redline in the race gear boxes....never a problem on hard worked 901 or 915 transmissions |
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| Dave_Darling |
Dec 29 2016, 06:29 PM
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#9
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914 Idiot Group: Members Posts: 14,985 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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Guard Transmission makes the best limited-slip diffs. For the track, the friction-based LSD is preferred. For autoX or the street, the torque-biasing one is generally preferred.
Be prepared to pay for the best if you want the best. GT isn't cheap. --DD |
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