Best OEM head for a Super Stock January 17, 2021 10:22AM
I am considering building a SS for OSTPA, The rules allow for 2" on the hitch and 500 lb if tractor has a OEM head.
I have a OEM chassis that is a past pro/super which I would like to use. Question What would the best AG engine to use?

Re: Best OEM head for a Super Stock January 17, 2021 10:33AM
Brand ??

Re: Best OEM head for a Super Stock January 17, 2021 10:56AM
Chassis is a M-M

Re: Best OEM head for a Super Stock January 18, 2021 02:40AM
You need to take a whole day and drive over to visit with ol' M-M guru legend, Ron Perry, near Flora / Bringhurst, Indiana. Literally any of the strong running M-M's of the '70's & 80's all had his touch in them. The most famous was the one he owned, "Solid Junk" but made famous by Dave Stangle.

Ron's pulling transmissions and rear end gears have been bullet proof over the decades. Right along with his modified engine heads.
Ron is elderly. I believe, he is still doing some machine shop work out in his shop.

Re: Best OEM head for a Super Stock January 18, 2021 03:10AM
what decade is it ????????? no offence to Mr Ron Perry ,,,, WAS One of My Idols ,,,,, But Really What Decade is it ?????????

Re: Best OEM head for a Super Stock January 18, 2021 04:58AM
Since you have a ag chassis you would be limited to a mm engine or it's replacement which is probably a 8.3 Cummins. Cummins would be better in anything that's making real power since the moline isn't a 7 main block. Cost wise its hard to beat a ih 466 since there are tons of them out there and there are hyper/gms heads up on the for sale page all the time at reasonable prices.

Re: Best OEM head for a Super Stock January 18, 2021 01:35PM
Being it would be a SS I should be able tu use any AG motor. My preference is a 466

Re: Best OEM head for a Super Stock January 18, 2021 11:28PM
The Any Ag motor rule only applies to component tractors. With a cast chassis you are limited on what will bolt to the housing and what is considered a factory replacement.



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Re: Best OEM head for a Super Stock January 19, 2021 12:35AM
I'd do some calling and see what your choices are,a 7 main block is a must anymore.so a 585 or 8.3 are more than likely the choices.the 8.3 with a 8.9 crank would be the easiest to acquire cores for by far

Re: Best OEM head for a Super Stock January 18, 2021 01:39PM
The OEM chassis is ready to go. It was previously a SS and Pro Stock

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