Recent content by RubbinIsRacin

I know it goes in all hypoid gear applications. I don't believe there's any problem at all. I just wanted to make sure I didn't miss something for an unusual application.

Could someone please explain how GL-5 rated oil affects gear surfaces? I have a disagreement with someone who insists that it will cause pitting in spur or helical gears in lightly loaded applications. I believe this person is mixed up and must be thinking about possible effects on yellow...

I've gotten ahold of an old 5 ft. drag shredder that will get occasional use. It was cheap. It's also worn out! I've cleaned out the goo and rust from the inside of gear box. The gears are worn, lots of back lash. Also a lot of the teeth are badly pitted from rust. The plan is to put some...

Yes, just sliding spur gears. Brakes are mechanical dry disk. Clutch is also dry disk. Differential is open type. Trans/rear case holds about 13 gallons for the gears to splash around in. Bearings are 100% ball or roller. The hydraulic system is seperate and has it's own resevoir. I have all the...

I think most everyone else at the track is using 50 or even 60 wt VR1. I believe that's just too heavy. Part of the problem is that the car doesn't always get warmed up fully and properly; if I'm late getting to the track or if there's work to be done between the heat and feature and you have to...

Finally got to tear into a motor I've raced on the dirt track. I've run Delo 400 15W-40 almost exclusively. Motor is a 402 BBC. Steel crank, 7/16 rods, Federal Mogul tri-metal type bearings, KB hypereutectic pistons with around 8.5:1 compression, Crane flat tappet hydraulic cam, oval port heads...

I haven't been using it for cam break in. I use the moly EP stuff that comes with it or that I've bought. I've used EOS too but didn't on the last two. The initial start and first couple of minutes make or break the deal, like you said. I always have everything ready and prelube as the last...

This helps. I missed this one somewhere. 1300 ppm is plenty. Somewhere I got the idea that they had dropped the zinc into triple digits.

I'm working on a '53 Farmall Super M. The trans and rear share oil in the case. I would like to use 80w-90 or 85w-140 GL-5 due to ease of availability and cost. Some (not at BITOG) have suggested that the EP additives in the GL-5 might cause pitting in low unit loaded spur gears such as would be...

Based on reports that they've lowered the zinc to meet the emissions requirements for the ULSD engines. I got that information from numerous posts on this site. Currently I'm running the Delo as-is, with no additives. And it may be a dumb idea to add STP, but I want to keep the zinc level up...

I'll have to go back and re-read about the STP. I thought even the blue bottle had more zinc than that. Also make a note to self: find VOA on 5w40 syn. Good tip! I'm running the Delo in all my old flat tappet gas burners. What else are they putting in there to functionally replace the zinc...

What do yall think about spiking Delo 400LE, the new formulation, with some STP to boost the zddp level back up? I would think half a bottle of the blue would be enough with a five quart oil change.

Thanks for posting that; it's basically what I was looking for. 427/Z06: Thanks for the link.

I've looked and looked on the forums for this and haven't found it. I thought somebody else might have asked so if it's already been posted somewhere just point me to the thread. Thanks

Does anyone know if it would do any harm to run a GL-5 type oil in the rear of an older tractor? Searched and couldn't find anything on the topic. I figure if the additive pack is good enough for a hypoid gear set then it should work for spur gears and such.