For some reason your topic on the Kendall 20W-50 VOA is locked....I was curious if you happened to know how old that sample was ? Do you know if it was SH or SJ rated or some other rating ?
I have the PDF file for the VOA's if anyone wants it. I posted all three here and now they are all three in the VOA area. My goal was to have the VOA and UOA for race oil here. The BB ops have another plan. It was suggested by one of the racers here that we provide links from here back to the UOA and VOA to help with this situation. I did that as a test to see if it would be taken down or moved. Perhaps that is the way to keep the data where we can find it??? Look at the RP link. You will notice even though the data is in the VOA area we can still discuss the results in this race area.quote:
Originally posted by Calvin:
For some reason your topic on the Kendall 20W-50 VOA is locked....I was curious if you happened to know how old that sample was ? Do you know if it was SH or SJ rated or some other rating ?
thanks!quote:
Originally posted by Calvin:
Quick_16,
Lets see 555 CID with Alky.... Huge bore and stroke with a large amount of " Mass " to try and lubricate.
Is this a steel rod or alum rods ? Steel
Dry sump or wet ? Wet but good stuff
Vacuum pump ? Very soon
If so is it pulling enough vac to pull oil off pins and cam lobes ect ? will be limited to 8 to 9"Hg
Will your bearing clearences and rod side clearence allow a thinner oil or is a 50 weight needed just for clearences let alone the Alky ?
time will tell.
I would be more than alittle tempted to look at a straight 40 weight....You have a Chevy ...they circulate oil quickly regardless of pump so a straight 40 wouldnt cause any problems...especially in Florida heat...
Have you by any chance called Schaefer's oil and talked with them ? Talke to Bob just today
I think they have some " Race " oils...what ever that really means....I would think that with the bore/piston skirt mass and the crazy centrifugal forces your conn rod bearings are subjected to due to that long stroke length ... that it would be somewhat desirable to have as much AW as possible and still have enough detergents/ dispaerants to deal with the fuel dilution ( if they deal with the dilution and acids that the alky produces )....
I wish I could offer a more definitive answer but I'm just not an expert on this subject.... I'm trying to learn just like everyone here....