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Farmall A High Altitude Engine, What Compression?

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Tim

06-18-2003 06:35:53




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The engine block to my '45 Farmall A has a stamped code for "HA5". It is my understanding this means high altitude 5000 feet.

Does this mean that the pistons are higher compression? If so, what is the compression ratio, and what could I expect a compression test to read when I get the engine back together?

Thanks, Tim




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chester

06-18-2003 10:26:59




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 Re: Farmall A High Altitude Engine, What Compressi in reply to Tim, 06-18-2003 06:35:53  

Tim, compression should be about 100 psi I got this number from I H mechanic for a regular A . good luck



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