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Tractor Pulling Discussion Forum

JD 70

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BIGMONEY

03-03-2008 12:31:42




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DOES ANY ONE KNOW WHAT THE COMPRESION PSI IS FOR A JD 70 GAS AND JD 70 LP




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JDGnut

03-07-2008 17:30:01




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 Re: JD 70 in reply to massey333, 03-03-2008 12:31:42  

BIGMONEY said: (quoted from post at 13:31:42 03/03/08) DOES ANY ONE KNOW WHAT THE COMPRESION PSI IS FOR A JD 70 GAS AND JD 70 LP


All Fuel 4.60

Gas 6.15

LP 7.30

Not the biggest change.. but it will be noticable...

JDGnut



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buickanddeere

03-05-2008 19:15:50




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 Re: JD 70 in reply to BIGMONEY, 03-03-2008 12:31:42  
Everybody that has their operator's manual knows.1-800-522-7448.



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BIGMONEY

03-06-2008 10:51:28




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 Re: JD 70 in reply to buickanddeere, 03-05-2008 19:15:50  
WHAT I AM TRYING TO FID OUT IS HOW MUCH COMPRECTION MY TRACTOR THAT IS NOW GAS WIL GAIN
BY PUTTING LP PISTONS IN IT WHEN I OVERHAUL IT
BECAUSE THE ONLEY DIFFERANCE IN GAS AND LP MOTERS IS THE VALVE SEATS ARE HARDER/AND HIGHER COMPRECTION PISTONS/THANKS FOR ANY HELP ANYONE



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buickanddeere

03-06-2008 19:54:43




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 Re: JD 70 in reply to BIGMONEY, 03-06-2008 10:51:28  
All Fuel 70 was 4.50 to 1 compression ratio with 95 psi cranking pressure. How about a set of standard size G pistons in there? Just mill them a little to fit and run 100LL.



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BIG MONEY

03-05-2008 18:37:34




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 Re: JD 70 in reply to BIGMONEY, 03-03-2008 12:31:42  
LOOKS LIKE IF I FIND THIS OUT I WILL BE THE ONLEY ONE IN THE US THAT KNOWS



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