Reply With QuoteWhy would you want to spend money adding either product to a fully formulated oil ??
FWIW, Lucas oil products are well known in the US.
Master
SupporterWent to Coventry's the other week to try some Morey's engine oil stabiliser in my gearbox. They had none in stock so I bought what seemed an equivalent product:
Lucas Heavy Duty Oil Stabilizer.
"100% petroleum, contains no teflon, no sulfur, no chlorine. Stops thermal breakdown."
"In light duty manual transmissions use 25%. In heavy duty transmissions use 25% to 50%. Controls rattle, leaks, heat, wear and hard shifting.... perfect for transfer cases..."
Has anyone heard of this stuff and is it any good?
I've always considered "Lucas" to be a warning label but this US product seems to have nothing to do with our beloved electrical systems.
Chris
Moderator
Why would you want to spend money adding either product to a fully formulated oil ??
FWIW, Lucas oil products are well known in the US.
Swaggie
Isn't this stuff just heavy oil??? So you might as well just put heavier (higher viscosity) oil in... (would be cheaper too!)
Wizard
lucas = moreys something I have been using since 1984 in all MY Rangies.
Do I think it good..yes. It is my opinion that it is the reason my 82 Rangie did , and is still going 525000kms and I did not ever strip down or replace anything but one bottom seal in my power steering box. Still on original wheel bearings and swivels cv's motor has done 400k
But I will say no more as for me the stuff works and I will continue to use it
Brad
Range Rovers Have Charactors inside them
LROCWA Ex member 23 years
1971 Series 2A
2004 Discovery2a V8 Auto
2003 Discovery2a TD5 Manual
1982 4door man (sadly now gone)
1989 Vogue auto
2011 TDV8 Vogue
What would life be without a Rangie?
ChatterBox
Dont under estimate Moreys I remember using a 20% Mix of Moreys in the drop reduction hubs of Unimogs and things lasted much longer.
I dont know why but even synthetics were not as good as the mix.
When you are only getting less than 80 thousand Ks out of bull gears that cost more than $2k per wheel you remember these things the only thing was dont go more than 20% as this had a detrimental effect.
Well dont go more than 20% in Unimog drop reduction hubs anyway
Master
SupporterGot an oil leak that I can't fix without taking the gearbox out, but it's not bad enough to do that yet. Can buy an awful lot of oil for the cost of the repair!Originally Posted by rick130
Why would you want to spend money adding either product to a fully formulated oil ??
FWIW, Lucas oil products are well known in the US.
Also looking to quiet a whine at cruising speed.
I've put the stuff in - it's so thick that pumping it into the 'box was the devil's own job.
I'm not impressed that changes are very baulky until the oil / stabiliser mix warms up.
Guess we'll see how it goes...
Moderator
possibly needed a gear oil with a tackifier in it.
Lubrication Engineers make some excellent lubes that cling and climb, (LE607 comes to mind, an SAE 90 oil, but I think it's been superseded) as do a few others like Swepco and Schaefer's in the US.
From what I've read and the couple of oil tests I've seen, Lucas/Moreys oil stabiliser is nothing more than a viscosity index improver, (mineral oil + OCP polymer) it has no extra additives as such, so adding it thickens up your base oil substantially (depending on % used) and dilutes the additive pack already present in the oil, which is probably why djam found 20% the upper limit for use in his application.
In this case, if using a GL5 oil, you would be diluting the EP and AW pack to end up around the same level as a GL4 oil.
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