Thanks for the information,you have all been very helpful.

Engine Oil - 10w30   if you're concerned about zinc then use Shell Rotella T, cheapest price likely Walmart.

Transmission Fluid - ATF    any brand will do, but for laughs I stick with Shell ATF.  Available at many parts stores or Shell stations.

Power Steering Fluid - ATF    same as above.

Differential Fluid - 80w90    available at any parts store, any brand will do, but I stick with Castrol.

Fuel - what compression ratio are you running?   Start out with regular, and if you get pinging then move up to mid-grade, etc.

Blackheart4355 wrote:

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Carl,

Regular oils do not have either any or enough zinc in it which is required in these old engines.

Royal Purple is formulated to be used in these older engines.

When I had mine built it was recommended that if I was using regular oil, that a zinc additive be used, which is actually not easy to find. As for the rest, then yes I'd agree with you.

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         LOL   so says the suppliers of all the "miracle oils"     its a lot of Poop   

540 RAT  Tech Team   Join Date: Feb 2006 Location: Southern California Posts: 744

GM on zinc in motor oil Many of you know that I've performed extensive motor oil "Wear Testing" over that past year. And among the most profound results that came out of my testing, was the fact that the zinc levels made "no difference" on how well a motor oil can provide wear protection. Of course many people could not accept that, even though they had no hard data to prove otherwise. So, I got pounded a lot for my real world test results, even though real world testing is the Gold Standard for determining how well various oils can protect engines from wear. Below is a link to a GM report that includes info on zinc in motor oil. And their report says the exact same thing that I found in my testing. So, with my testing and the GM report saying the same thing, maybe now naysayers will believe that my oil test data was in fact valid all along.  Between the two, this proves you cannot put any value in a motor oil list of zinc levels. And you cannot believe cam and lifter Companies who tell you that you need a certain zinc level. Here's the link: http://www.nonlintec.com/sprite/oil_myths.pdf 540 RAT Member SAE (Society of Automotive Engineers)

68 427 wrote:

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 SELL

 

Sell Sell Sell Sell Sell    $$$$$$$$$$$$$$$$$$$$$$$$$$$$    that why...  

They sell air fresheners too... problem with air??   is all a con    

 

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