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John Deere

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Andrew

02-24-2002 08:43:30




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How much power could I get out of an unstyled JD "B" with a power block, Heisler head, and a one inch overstoke?




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jd puller

02-25-2002 14:27:26




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 Re: John Deere in reply to Andrew, 02-24-2002 08:43:30  
The hiesler head is about 15% more power the power block is about 20% more power and the one inch stroker will give you about 30% more power....but watch where yer spark plug hits the piston you might have to machine a notch in th etop of the piston the clear the spark plug.



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Andrew

02-25-2002 17:11:51




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 Re: Re: John Deere in reply to jd puller, 02-25-2002 14:27:26  
What would it take to get 60+ hp?



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jdpuller

02-26-2002 08:00:17




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 Re: Re: Re: John Deere in reply to Andrew, 02-25-2002 17:11:51  
Its gonna take a lot to get you B up to 60 horse power. But I would start right where you have started with the block, head and stroking it. Then I would move on the machining a set of donuts in the shape of the hemispical combustion chamber. Then move on to your manifold, have it ported nad polished along with the head. This should get you about 2/3 the way there.then I would start messing with a hot camshaft. after that put on a distributor on it. Evan though it is unstyled just mount a battery on it. use a MSD ignition system. Then you could start changing the ratio on the push rods and valves if you wanted to.

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