Re: what octane to run??

Posted by Jack B. Nimble on October 21, 2005 at 12:54:59 from (67.76.204.62):

In Reply to: Re: what octane to run?? posted by fenton on October 21, 2005 at 11:09:19:

In the 20s and 30s gas was only about 50 octane and had NO lead. As engine technology got better(higher compression) the lead was added to prevent knocking from pre ignition, not to protect the valve train as is the common myth. In the early 70s they discoved the lead was killing us and replaced it with other anti-knock additives. In a low compression engine higher octane will do NOTHING but create harder starting and empty your wallet. Anything with a compression ratio of 9:1 or lower(like your tractor) will do fine on 87 octane. Lead Substitute is petroleum distillate(naptha) and oil, not lead. Mostly a scam.

Follow Ups:

• Re: what octane to run?? the tractor vet 16:47:03 10/21/05 (1)
  • Re: what octane to run?? Andy Martin 06:14:31 10/22/05 (0)

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