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Minneapolis Moline Tractors Discussion Forum
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4233 Heads

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dan osborne

05-12-2008 21:22:18




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Found a power unit with 4233 heads and was wondering if these would be good to put on a UTS with M5 blocks for pulling. It has 403 flat top aluminum pistons, GE 30J heads, and 670 intake and exhaust manifolds now. Would this be a better head for gasoline at low altitude?




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freddy

05-13-2008 07:21:52




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 Re: 4233 Heads in reply to dan osborne, 05-12-2008 21:22:18  
10A4233 used on the 336A, 504A, - 10.4:1 with flat top pistons

250/280 psi cranking pressure



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freddy

05-13-2008 07:20:55




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 Re: 4233 Heads in reply to dan osborne, 05-12-2008 21:22:18  
10A4233 used on the 336A, 504A, - 10.4:1 with flat top pistons

250/280 psi cranking pressure



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freddy

05-13-2008 07:00:18




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 Re: 4233 Heads in reply to dan osborne, 05-12-2008 21:22:18  
10A4233 used on the 336A, 504A, - 10.4:1 with flat top pistons

250/280 psi cranking pressure



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family tradition

05-13-2008 06:22:49




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 Re: 4233 Heads in reply to dan osborne, 05-12-2008 21:22:18  
The 4233 heads are the newer style square port heads. They will flow much better than the ge30j round ports. Not sure on the compression, don't have my charts with me right now. I'm sure someone on here can tell you better than me.



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