Gear

Joe Grippo · 06-11-2007, 02:37 PM

So I am putting together a new 9? rear for the racecar?4.56 pro gears, spool etc. I have always run Royal Purple Synthetic gear lube but now my contact at Mark Williams is telling me to avoid synthetic and go with a mineral based 85-140 with a GL-6 rating. He is saying some of the gear manufactures are going away from recommending synthetics because it is not coating the gears properly. I was hoping to get the car out on Friday and the local speed shop stocks Royal Purple and Valvoline in the 85-140 but they are rated GL-5? What are you guys using in your rear, mineral based or synthetic lubes?

Did I really just ask that question!?!?!?

[:-bigeyes2-:]

Wanna see some pictures?
http://public.fotki.com/JoeGrippo/

06-11-2007, 02:37 PM	#1
Joe Grippo Member Join Date: Apr 2002 Location: Elverson, Pa Posts: 158 Likes: 121 Liked 41 Times in 4 Posts	Gear So I am putting together a new 9? rear for the racecar?4.56 pro gears, spool etc. I have always run Royal Purple Synthetic gear lube but now my contact at Mark Williams is telling me to avoid synthetic and go with a mineral based 85-140 with a GL-6 rating. He is saying some of the gear manufactures are going away from recommending synthetics because it is not coating the gears properly. I was hoping to get the car out on Friday and the local speed shop stocks Royal Purple and Valvoline in the 85-140 but they are rated GL-5? What are you guys using in your rear, mineral based or synthetic lubes? Did I really just ask that question!?!?!? [:-bigeyes2-:] Wanna see some pictures? http://public.fotki.com/JoeGrippo/ __________________ Time Wasters....http://www.flickr.com/photos/joe_grippo/sets/ http://www.youtube.com/user/JoeGrippo?feature=mhum