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Farmall & IHC Tractors Discussion Forum
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Downside to using H head in a 300?

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Tractor Tom

11-25-2007 18:32:10




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The head I was planning on using to replace my cracked 300U head turns out to be a H head (8043DC). What will I be giving up?, it's a working tractor with Firecrater pistons. Thanks.




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D Slater

11-25-2007 19:19:43




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 Re: Downside to using H head in a 300? in reply to Tractor Tom, 11-25-2007 18:32:10  
Don't know if all tractors do, but some 300 with fire craters will hit the H head. If you look at your 300 head you will see the edge on the other side from spark plug is sloped off and the H is not. You can grind that sharp edge on the H head to work if the piston hits. Make all 4 the same and don't go to deep. IH sloped the edge in combustion chamber on the 8043 head when they put it on a SH and advanced the suffix to DD. May not notice any power change.

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