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11-28-2008, 06:37 PM | #1 |
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12 Bolt Rearend Lube?
Alright, we are changing gears and would like some input on what is the best, least resistance, gear lube everyone is using these days. Thanks! Drew Whalen
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11-28-2008, 10:37 PM | #2 |
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Re: 12 Bolt Rearend Lube?
I saw this post earlier but wanted to give some thought to my comments. I suppose, this issue would be difficult to test.
However, Good gear and bearing life can be had with a premium GL5 rated 80/90 conventional gear oil. But ,the same can be said for a premium synthetic oil. I think personal preference might be hard to separate from fact about gear oil. Much like it is with engine oil. [smile] Also, For the 12 bolt housing, one quart is plenty of oil for drag racing.
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Larry Woodfin 471W |
11-29-2008, 01:51 AM | #3 |
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Re: 12 Bolt Rearend Lube?
I have always been a GL-5 dino oil guy myself, but was impressed with the Red-Line "climbing gear lube" that one of my customers has been using. Talking about a Pro-gear, car running 8.60's at over 3200 lbs. He gets 300+ runs from a gear set.
My only ever gear failure was with synthetic lube, can't remember right off which brand, and I feel it had nothing to do with the failure, probably just a fluke that it happened that way. I use street gears in mine, with minimal backlash. I tried the synthetic for off the trailer bracket racing consistency, did not discern any advantage or disadvantage. Seems to make more difference with the Phord and big Dana units.
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"Despite the high cost of living, it remains popular." Dave Cook NHRA N375 Last edited by Dave Goob Cook; 11-29-2008 at 01:54 AM. |
11-29-2008, 02:22 AM | #4 |
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Re: 12 Bolt Rearend Lube?
Amsoil Severe Gear 75W-90 is my personal choice. Amsoil formulates an outstanding line of lubricants, especially gear lube. http://www.amsoil.com/redirect.cgi?z...storefront/SVG
There are some gear lubes out there that flow like 20wt motor oil, but I've never personally tried them. Anyone have any experience with these "qualifier' type lubes?
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Chris Cogan |
11-29-2008, 03:23 AM | #5 |
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Re: 12 Bolt Rearend Lube?
Red Line......Shockproof Light, never had a problem with this lube.
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11-29-2008, 10:10 AM | #6 |
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Re: 12 Bolt Rearend Lube?
We're using the Richmond blue synthetic, or the GM synthetic. Cars roll free, and coast down slowly.
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Alan Roehrich 212A G/S |
11-29-2008, 11:24 AM | #7 |
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Re: 12 Bolt Rearend Lube?
I've used straight dexron for years. Never had a problem.
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Billy Nees 1188 STK, SS World's greatest Under-Achiever! |
11-30-2008, 11:12 PM | #8 |
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Re: 12 Bolt Rearend Lube?
Billy, I think we may be talking about over 200 hp here.
You mean I can get rid of my "stick shift" setup now?
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11-30-2008, 11:45 PM | #9 |
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Re: 12 Bolt Rearend Lube?
Bill,frugal to the end Eh?
Ed
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12-01-2008, 12:30 AM | #10 |
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Re: 12 Bolt Rearend Lube?
Joe Gibbs-Super Speedway Gear Oil or if you really need to go fast try their Qualifying Gear Oil
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