Ford 7810 motor ? February 21, 2009 11:42AM
I have a Ford 7810S that has what appears to be a Genesis block. I have been told that it is what they call a 401 Genesis. Does such a thing exist? Is it just a regular 401? or is it a 456? If there is such a thing as a Genesis 401, does it have the good head as the 456 Genesis?
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Re: Ford 7810 motor ? February 21, 2009 11:48AM
Some of the first 456 the 401 stuff inside of them. As far as the head it should be a 456 one.
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Re: Ford 7810 motor ? February 21, 2009 01:50PM
do you know what year your 7810s is
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Re: Ford 7810 motor ? February 21, 2009 02:21PM
The 7810s is a 401 genesis engine same as the 7840 series all the other engines are 456. Everything is the same except the crank and pistons.
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Re: Ford 7810 motor ? February 22, 2009 12:06AM
What is so special about the genesis head ? I am guessing better air flow and larger valves then the
401 head?
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Re: Ford 7810 motor ? February 22, 2009 01:57AM
valves and flow-genesis exhaust valve same size as 401 intake, intake valve is that much larger!but if you want bigger injectors then drill injector bore from 7mm to 9mm.
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Re: Ford 7810 motor ? February 23, 2009 10:44AM
to curt, what is the best motor, turbo ,pump combo for a 8000 in pro farm -hot farm ? open rpm 3x3, no cube limit? have 401 now, 401 needing rebuild, 456 478 , 474, 474 build bigger later, what best HP /dollar? tough to answer, you do now fords! thanks for any help
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Re: Ford 7810 motor ? February 25, 2009 12:16PM
The truck block is going to be the cheapest route. You could get away with 4.5 bore and a 5.6 stroke without sleeving, that would get you around 540 cubes, Everything after that is going to get expensive. I would use a genesis head ported and polished, a gt-42 3x3 and a p-3000 13mm p-pump and a set of 5-25 columbus 474 truck injectors. Now if money was no object than we could have some fun.
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