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Need some more power!

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jfarmall

06-07-2006 16:29:53

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Hey Everyone,

Im lookin to get as much power as I can out of my H. I have seen fire crator pistons mentioned on here before and I was wondering what they do exactly and where to get them. If you have had any expierience with these i"d like to hear from you! Also, if anyone knows any other ways to get some more horses let me know! Here is the list so far: Coil, wires, pistons, rings, sleeves.

Thanks

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Slappy

06-09-2006 04:00:48

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Re: Need some more power! in reply to jfarmall, 06-07-2006 16:29:53

When my '44 dual fuel H was in need of a rebuild, I replaced the low compression distillate head with a Super H head, put in an overbore kit with step head aluminum pistons (Abiline Machine), a Super H cam, and ported and polished the head and manifold. It's not the same tractor anymore - lots of power.

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Nat 2

06-08-2006 05:15:50

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Re: Need some more power! in reply to jfarmall, 06-07-2006 16:29:53

I don't know if you can even get "fire cratEr" pistons anymore, but if you can, you would get them from your friendly neighborhood CaseIH dealer.

What do they do? They reduce the size of the combustion chamber when the piston is at TDC on the compression stroke because they're domed on top instead of flat. This forces the air/fuel mixture into a smaller space. In other words, it increases compression.

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Janicholson

06-07-2006 19:11:17

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Re: Need some more power! in reply to jfarmall, 06-07-2006 16:29:53

There are two ways to get power, Displacement, and Compression (assuming that running the enging RPM up in the area of 2200 is not good for long life)

Compression can be taken to 8.5:1 and still run regular gasoline. High altitude head (5000ft) and firedome pistons are the answer to that. The H engine can be enlarged some, but requires a rebore of the cast cylinders (then dry sleeves installed) for real increases. in displacement.

The cam from a 350 will also make more power.
Good luck, JimN

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