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Topics - Wheelinhorse

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Look, I know oppys are now dinosaurs for you racers, but for us offroad tractor guys its a cheap, torquey option that works very well for what we do.
Been acquiring parts and will be starting a build soon. Complete 46CI pressure lube vertical engine, a horizontal cam cover, pump, sump, etc..  and recently scored an ARC wheel, rods, AVS pistons, and Precision 212alt cam. Yes it will be flipped horizontal. Intake is an early 2 piece, massaged, 1" tall adapter and a 27hp Kohler command 'pumper' carb on top, and 2:1 header, all are currently on the stock internal 18hp powering it right now. They both work very well- the carb made a day and night difference in power.
Since im much more concerned with low/midrange grunt than a top end screamer, how do you feel about this cam versus the stock 46ci? I have the ability to knock some base circle off the stocker, as well as all the equipment necessary to play with porting, decking/milling, valves, seats and angles, etc...
How about trading a bit of airflow for a boost in compression, a big oppy no no....
Come on, most of these things arent even raced anymore, you guys can give me some direction without giving away secrets cant ya? Ha.

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Want To Buy / Who Has It? / Briggs oppy pressure lube sump and cover
« on: August 04, 2021, 06:30:32 am »
Looking for a pressure lube side cover and sump/pan for a horizontal opposed Briggs.
Thanks.

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Not sure how many of you racers still play with oppys, but they're not uncommon with the offroad tractor crowd, myself included. I've been working with CGU to get a program done to cut these gaskets, and they are now ready and perfect!
Thicknesses available from .016-.125.


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Want To Buy / Who Has It? / WTB Briggs model 42 billet wheel, rods
« on: July 13, 2021, 10:15:57 am »
Looking for a good used set of billet rods and flywheel for my 18hp opposed Briggs.
Thanks!

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Newcomers / New guy, Oppy freak
« on: July 13, 2021, 10:12:24 am »
Glad I found this place. I run an old Wheel Horse tractor, set up for offroad/trail riding, and just replaced the Kohler K321 with an 18hp Briggs- fully ported, oiling mods, bumped timing, Kohler command 25hp 'pumper' carb and a 2:1 pipe. Hoping to gain some more info here, and also hoping to score a used billet flywheel and rods for it.
Thanks in advance!

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