Jim, My choice of oil is Driven brand synthetic 10w-30w or 10w-40w depending on bearing clearances and/or lifter bore sleeve design/clearance in certain roller cam applications. A synthetic oil will appropriate ZDDP in the formula for flat-tappet cams is superior to any conventional oil in the realm of lubricity, asphaltene absorption, high temperature tolerance, and wear-protection of internal engine parts. That being said, any conventional oil with a ZDDP additive is fine for most all HP engines, flat-tappet or roller, but for those 500+ builds, a synthetic in the proper weight will be the best choice. Gary P. From: 1962to1965mopars@xxxxxxxxxxxxxxxx <1962to1965mopars@xxxxxxxxxxxxxxxx> On Behalf Of Jim Altemose Gents, I'm sure this has been beaten to death over the years. But I'll open the can of worms anyway. A friend who just got a 1968 Z28 asked my opinion and I myself have different notions in my own head, but it's a relevant question for our old cars. What do you use for oil in an older high performance engine? I use synthetic with a Zinc additive. But who says I'm right? I've heard Rotella and other things as well. I'm interested in your opinions. Thanks. - Jim Jim Altemose, Long Island, NY -- -- -- Please address private email -- email of interest to only one person -- directly to that person. That is, email your parts/car transactions and negotiations, as well as other personal messages, only to the intended recipient. Do not just press "reply" and send your email to everyone using the general '62-'65 Clubhouse public email address. This practice will protect your privacy, reduce the total volume of mail and fine-tune the content signal to Mopar topic. Thanks! 1962 to 1965 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html. -- You received this message because you are subscribed to the Google Groups "The 1962 to 1965 Mopar Mail List Clubhouse" group. http://groups.google.com/group/1962to1965mopars?hl=en. --- You received this message because you are subscribed to the Google Groups "The 1962 to 1965 Mopar Mail List Clubhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to 1962to1965mopars+unsubscribe@xxxxxxxxxxxxxxxx. To view this discussion on the web visit https://groups.google.com/d/msgid/1962to1965mopars/005b01d72d7d%24916905e0%24b43b11a0%24%40cox.net. |
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