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OK, i can buy a few more quarts i just want to be sure it's safe to use in the transfer case.

I have a 2002 Toyota Tacoma i need to change the transfer case fluid on. I bought a gallon of Lucas Heavy Duty 80W-90 Gear Oil to do front and rear diffs and the transfer case. But then i started wondering if the Lucas gear oil was compatible with the brass syncros in the transfer case. I know...

I downloaded the PDF file for Penzoil white bottle all it says for Zinc is "Zinc/Phosphorus 0.083/0.076" it says nothing about PPM. Sorry for being a noob but does anyone know what this means? I checked out the VOA section but i don't see the white bottle i'm using listed on there.

Originally Posted By: FL_Rob whoa...too much zinc actually causes excessive wear,right around 1200ppm is the max(sweetspot) ,900ppm would suffice,are you sure your on top of current VOA section? Welcome to bitog! VOA section? i don't know what that is. I have been hearing for years that they...

I have a jeep 4.0 with flat tappet camshaft And i was told that i could use Lucas TB Zinc Plus as a Zinc additive. But i don't remember what the ratio of TB Zinc Plus to quart of oil. I was thinking it was like 1 oz of lucas to a quart of oil or something like that? I remember hearing you can...

Originally Posted By: Greaser I recommend any brand name HDEO like Rotella or Delvac 1 in a thick 30W or thin 40W .The good Esso stuff is only for Canadians...sorry Im a oil noob what exactly is a thick 30w or a thin 40w?

Cool thanks for the fast replies... I have been running Castrol Syntec blend 10w40 in it for years. Now that I'm browsing the forum seems like no one here likes castrol. Is the Conventional Valvoline stuff good? Is the blue bottle any better than the white? or you think i should run Rotella or...

I have a 1994 jeep wrangler with a 4.0... I have read about the whole Zinc thing and the 4.0's having flat tappet cams. First off the cam is stock as is the rest of the motor internally. I use the jeep as a daily driver and thrash it when i get the chance. So i want to know whats the best off...