Stroking a 404 July 11, 2018 02:11AM
What kind of power could you get out of a JD 404 if you stroke the crank and put in bigger bore. Run a 3LM 466 turbo or equivelant and have around 440cc of fuel. No water.
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Re: Stroking a 404 July 11, 2018 08:14AM
I have one in mine and 550 HP is very doable.
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Re: Stroking a 404 July 11, 2018 08:21AM
Skip all the head aches and put a 7.6L or a 8.1L engine in your tractor if rules allow. Better flowing head and less expensive in the long run!
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Re: Stroking a 404 July 11, 2018 02:50PM
Must be stock appearing block and pump. If I go the 7.6 or 8.1 route I would have to move up to hot or modified farm and that will basically take a super farm motor. I wanna keep my 20 series sheet metal.
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Re: Stroking a 404 July 11, 2018 05:30PM
A 4.25 x 5.5 is good. Lots of torque. Have built this setup more than once.
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