Why I do NOT Use Lucas (Opinion)...

[Rawze]

I have run BOTH GL-4 AND GL-5 for extended periods just to see what happened, and have always used a gallon of gear lube in my engine since new. Here of late (past several months) I have purposefully used the Wal-Mart Supertech 85/140 gear lube in my engine. Here is what I found...

The debate to the theory of sulphides in gear lube being harmful to brass and copper components in your engine is over as far as I am concerned. I took my engine apart after 955,000 miles of it running with a gallon of gear lube in it at every oil change, and ALL the copper and brass components still look SHINY AND LIKE NEW!. there is absolutely no sign of damage, excess wear, discoloration, pitting, or anything else whatsoever!.