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rearend lube #1225062 04/30/12 10:53 PM 04/30/12 10:53 PM
Joined: Jan 2005 Posts: 495 northeast pa 3wracing OP mopar
3wracing OP mopar Joined: Jan 2005 Posts: 495 northeast pa	what is the best gear lube for a 741 -742 suregrip

Re: rearend lube [Re: 3wracing] #1225063 04/30/12 11:26 PM 04/30/12 11:26 PM
Joined: Aug 2003 Posts: 43,352 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,352 Bend,OR USA	Any good brand of GL4, 75-90 WT, 85-140 WT will work and a good bottle posi additive Last edited by Cab_Burge; 05/01/12 12:03 AM. Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: rearend lube [Re: 3wracing] #1225064 04/30/12 11:31 PM 04/30/12 11:31 PM
Joined: Jan 2007 Posts: 7,664 IN A ahy master
ahy master A Joined: Jan 2007 Posts: 7,664 IN	The factory called for 90 wt with suregrip additive. If its for cruising and/or DD and/or occasional drag 80W90 with sure grip additive would be fine. I've had good results with the additive Autozone sells. There are lots of other choices. For sustained hard running, higher viscosity like 80W140 can help with synthetics being even better. For economy and the last 1/10'th of a tenth, a lighter multi-visocsity synthetic like 70W-90 may help. Personally, I value protection over that last little bit of performance or economy and run the heavier lubes.

Re: rearend lube [Re: ahy] #1225065 05/01/12 12:20 AM 05/01/12 12:20 AM
Joined: Sep 2011 Posts: 1,487 STL cdstl pro stock
cdstl pro stock Joined: Sep 2011 Posts: 1,487 STL	Where do you find the Sure grip additive? 1972 Cuda 340 4 speed, 2001 Ram CTD 4x4 6 speed, 1970 Duster 408 4 speed, 1996 Ram 5.9 2x4 auto, 1965 Coronet 500

Re: rearend lube [Re: cdstl] #1225066 05/01/12 12:26 AM 05/01/12 12:26 AM
Joined: Jan 2003 Posts: 75,125 A Banana Republic near you. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,125 A Banana Republic near you.	Quote: Where do you find the Sure grip additive? auto parts store right next to the gear lube usually.

Re: rearend lube [Re: JohnRR] #1225067 05/01/12 12:30 AM 05/01/12 12:30 AM
Joined: Nov 2005 Posts: 15,119 85086 moparpollack Lil Herman
moparpollack Lil Herman Joined: Nov 2005 Posts: 15,119 85086	Quote: Quote: Where do you find the Sure grip additive? auto parts store right next to the gear lube usually. Or at the stealership! 56 Plaza 63 D100 step side 67 Coronet, 68 Roadrunner, 69 Super Bees, 69 Coronet 500 convertible, 70 Roadrunner Post, 79 D150 360, and a severe case of Mopar a,d,d

Re: rearend lube [Re: 3wracing] #1225068 05/01/12 12:34 AM 05/01/12 12:34 AM
Joined: May 2005 Posts: 6,446 NJ-USA H HPMike master
HPMike master H Joined: May 2005 Posts: 6,446 NJ-USA	Quote: what is the best gear lube for a 741 -742 suregrip If it has a clutch type SG unit, use the real strong smelling green additive. You can find it at your local Ford dealer. No one else sells it to my knowledge. It is THE recommended fluid for these units. Some of the other brands will cause the unit to chatter. Disregard the gear lube that "needs no additives". You will surely get a chatter if you use those. You have been warned though. DO NOT let any of that stuff touch your hands, your clothes or anything else that you dont want to destroy forever. You will never get the smell off. Your wife or girlfriend will probably kick you out of the bedroom for at least a month. MB

Re: rearend lube [Re: ahy] #1225069 05/01/12 02:51 AM 05/01/12 02:51 AM
Joined: Aug 2003 Posts: 12,291 Kent, Wa 340SHORTY Truck Nut
340SHORTY Truck Nut Joined: Aug 2003 Posts: 12,291 Kent, Wa	I get the the 90wt with the additive in it. I am truckless..

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