12 Bolt Rearend Lube?

Whalen3186 · 11-28-2008, 06:37 PM

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

Dragsinger · 11-28-2008, 10:37 PM

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.

Dave Goob Cook · 11-29-2008, 01:51 AM

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.

Chris Cogan · 11-29-2008, 02:22 AM

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?

sst1988 · 11-29-2008, 03:23 AM

Red Line......Shockproof Light, never had a problem with this lube.

Alan Roehrich · 11-29-2008, 10:10 AM

We're using the Richmond blue synthetic, or the GM synthetic. Cars roll free, and coast down slowly.

Billy Nees · 11-29-2008, 11:24 AM

I've used straight dexron for years. Never had a problem.

Mark Yacavone · 11-30-2008, 11:12 PM

Quote:

Originally Posted by Billy Nees

I've used straight dexron for years. Never had a problem.

Billy, I think we may be talking about over 200 hp here.
You mean I can get rid of my "stick shift" setup now?

Ed Fernandez · 11-30-2008, 11:45 PM

Quote:

Originally Posted by Billy Nees

I've used straight dexron for years. Never had a problem.

Bill,frugal to the end Eh?

Ed

Bob · 12-01-2008, 12:30 AM

Joe Gibbs-Super Speedway Gear Oil or if you really need to go fast try their Qualifying Gear Oil

11-28-2008, 06:37 PM	#1
Whalen3186 Member Join Date: May 2008 Location: Illinois Posts: 238 Likes: 19 Liked 98 Times in 29 Posts	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

11-28-2008, 10:37 PM	#2
Dragsinger VIP Member Join Date: Jul 2008 Location: Liberty City [East Texas] Posts: 1,759 Likes: 5 Liked 99 Times in 60 Posts	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. __________________ Larry Woodfin 471W

11-29-2008, 01:51 AM	#3
Dave Goob Cook Member Join Date: Dec 2006 Location: Indy Posts: 422 Likes: 0 Liked 0 Times in 0 Posts	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. __________________ "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
Chris Cogan Junior Member Join Date: Apr 2007 Location: Defiance, OH Posts: 47 Likes: 0 Liked 0 Times in 0 Posts	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? __________________ Chris Cogan

11-29-2008, 03:23 AM	#5
sst1988 Member Join Date: May 2008 Location: Pittsburgh, Pa Posts: 302 Likes: 0 Liked 0 Times in 0 Posts	Re: 12 Bolt Rearend Lube? Red Line......Shockproof Light, never had a problem with this lube.

11-29-2008, 10:10 AM	#6
Alan Roehrich VIP Member Join Date: May 2006 Location: Murfreesboro TN Posts: 4,916 Likes: 997 Liked 1,046 Times in 276 Posts	Re: 12 Bolt Rearend Lube? We're using the Richmond blue synthetic, or the GM synthetic. Cars roll free, and coast down slowly. __________________ Alan Roehrich 212A G/S

11-29-2008, 11:24 AM	#7
Billy Nees VIP Member Join Date: Oct 2002 Location: On a hilltop in Pa. Posts: 4,223 Likes: 3,103 Liked 6,791 Times in 1,524 Posts	Re: 12 Bolt Rearend Lube? I've used straight dexron for years. Never had a problem. __________________ Billy Nees 1188 STK, SS World's greatest Under-Achiever!

12-01-2008, 12:30 AM	#10
Bob Junior Member Join Date: Oct 2003 Posts: 48 Likes: 0 Liked 0 Times in 0 Posts	Re: 12 Bolt Rearend Lube? Joe Gibbs-Super Speedway Gear Oil or if you really need to go fast try their Qualifying Gear Oil