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Fordson Tractors Discussion Forum

Frodson Major 5000 RPM

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M Hoffmann

05-19-2010 19:52:44
65.166.82.19



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Can anyone tell me how fast I dare spin a Major 5000 engine, going to use it for tractor pulling, engine is mostly stock stock crank and flywheel. Thanks Mike e-mail reply would also be ok.




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Dandy Dave

05-21-2010 05:34:51
74.209.25.160



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 Re: Frodson Major 5000 RPM in reply to M Hoffmann, 05-19-2010 19:52:44  
What you really need to do is find a power curve chart and run the tractor at the rpm that the engine is most efficient. Anything over the point that RPM's, and torqe meet there will be a decrease in torque. and maximum torque is what you want at a tractor pull. Dandy Dave!



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cdmn

05-20-2010 18:29:05
66.228.231.182



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 Re: Frodson Major 5000 RPM in reply to M Hoffmann, 05-19-2010 19:52:44  
I think you'd probably blow a head gasket or throw No 2 rod thru the block before the flywheel would explode. Kind of my speculation.



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lonzo

05-21-2010 02:07:23
64.85.214.40



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 Re: Frodson Major 5000 RPM in reply to cdmn, 05-20-2010 18:29:05  
the crank will brake, they are cast not forged steel, my major would vibrate till i slowed down the rpms. they have more power than traction in frist gear and fast idle in second gear they will spen out before they run out of power. is it really worth it to blow an engin even if you win?



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