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Re: fuel to run in old tractors
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Posted by Kestrel on March 06, 2006 at 04:52:51 from (69.138.130.202):
In Reply to: fuel to run in old tractors posted by DJL on March 05, 2006 at 18:37:55:
My understanding is that the valves and seats in old engines needed the lead to soften and protect them. Metallergy, apparently, has advanced so that modern engines don't suffer from this wear and tear. After the head on my Case was rebuilt using modern valves, seats, etc, my machine shop guy insured me unleaded gas was fine. Prior to the rebuild, I took the old timer's advice and put a lead additive in the tank.
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