Should I add friction modifier with Valvoline gear oil

96BluePony1261 · February 27th, 2007, 12:07 PM

I bought some Valvoline HP gear oil (not synthetic) from autozone, and was told I don't need to add any friction modifier. Because the Valvoline gear oil has that in there already. Has anyone used this brand of gear oil and not put the additive in ?

SWEET2KSTANG · February 27th, 2007, 02:54 PM

i put valvoline in with my gears and never put any in, since i have put about 8k miles on

96BluePony1261 · February 27th, 2007, 03:05 PM

Do you have any noises when u make turns? I've already filled my axle up, but i haven't drove it yet....It took 2 - 1 quart bottles of gear oil, does that sound about right?

Casper98GT · February 27th, 2007, 03:36 PM

I would use friction modifer. Just my opinion

SWEET2KSTANG · February 27th, 2007, 07:33 PM

i dont have any noises or vibrations out of nime. the valvoline that i put in already had the modifier in it.

acmillr · March 1st, 2007, 05:55 AM

I use Lucas Synthetic only, and have had no problems. I fought with my rearend for a while (it was doing the popping and crushing sound), and tried to use extra friction modifier in regular gear oil- that didn't work worth a damn, so I tried the Lucas- 10,000+ miles and no gremlins........

February 27th, 2007, 12:07 PM	#1
96BluePony1261 Newbie Join Date: Feb 2007 Posts: 5	Should I add friction modifier with Valvoline gear oil I bought some Valvoline HP gear oil (not synthetic) from autozone, and was told I don't need to add any friction modifier. Because the Valvoline gear oil has that in there already. Has anyone used this brand of gear oil and not put the additive in ?

February 27th, 2007, 02:54 PM	#2
SWEET2KSTANG MM Fanatic 2000 mustang gt 12.01@114.69 Join Date: Oct 2006 Location: N.W. AR Posts: 3,973	i put valvoline in with my gears and never put any in, since i have put about 8k miles on __________________ stock long block, bolt ons, slicks, and a little squeeze 1/4 E.T. 12.06@114.69 Only two defining forces have ever offered to die for you: 1. Jesus Christ 2. The American G. I. One died for your soul, the other for your freedom.

February 27th, 2007, 07:33 PM	#5
SWEET2KSTANG MM Fanatic 2000 mustang gt 12.01@114.69 Join Date: Oct 2006 Location: N.W. AR Posts: 3,973	i dont have any noises or vibrations out of nime. the valvoline that i put in already had the modifier in it. __________________ stock long block, bolt ons, slicks, and a little squeeze 1/4 E.T. 12.06@114.69 Only two defining forces have ever offered to die for you: 1. Jesus Christ 2. The American G. I. One died for your soul, the other for your freedom.

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February 27th, 2007, 03:05 PM	#3
96BluePony1261 Newbie Join Date: Feb 2007 Posts: 5	Do you have any noises when u make turns? I've already filled my axle up, but i haven't drove it yet....It took 2 - 1 quart bottles of gear oil, does that sound about right?

March 1st, 2007, 05:55 AM	#6
acmillr MM Fanatic 2003 GT Street Fast 16.9@76MPH Join Date: Jul 2006 Location: Tampa, FL Posts: 3,876	I use Lucas Synthetic only, and have had no problems. I fought with my rearend for a while (it was doing the popping and crushing sound), and tried to use extra friction modifier in regular gear oil- that didn't work worth a damn, so I tried the Lucas- 10,000+ miles and no gremlins........

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