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1  For Sale / Mower Engines & Parts / ARC OPPY FLYWHEEL on: September 09, 2014, 02:42:11 PM
ARC BILLET FLYWHEEL FOR BRIGGS OPPOSED TWIN. ONE RACE ON FLYWHEEL.

$200 PLUS SHIPPING

PAID $359 TOTAL LAST MONTH.

MUST GO

PM ME OR CALL 516-639-8388
2  Engine Help / Briggs Flathead / OPPY VALVE SPRINGS on: July 06, 2014, 08:07:09 PM
Can anyone tell me which EC valve spring and retainer part numbers are for an opposed? Also does the "set" come as a set of 2 or 4 for the springs, a full or partial set for keepers and retainers? Thanks in advance!
3  Engine Help / Briggs Flathead / 40ci cam on: June 02, 2014, 10:19:34 PM
Ok guys....quick question. I have  a 16hp oppy model #402707. I have a stock cam and heads from a 20hp oppy model#461707. Would I gain anything worthwhile by putting the 46ci cam in the 40ci motor? I just sent my carb out to EC so I have a little time to play around but not really enough time for trial and error  doh . There is a ton of experience on this forum and I have learned so much reading past posts. This forum has helped me go from running in the back to being a top 3 machine. Any help is more than appreciated!
4  Engine Help / Briggs Flathead / Autolite spark plug on: April 25, 2014, 08:21:58 AM
Quick question.....16hp Oppy, stock, have champion jlm19 plugs in it now. 3 bolt carb off a 20hp oppy with external fuel pump, now getting more fuel than b4....lol. coil air gap set at .013. What autolite plug would work the best? I know some of the guys I run against use a racing autolite plug. Can anyone tell me what plug number is hotter than the champions im running???
5  Engine Help / Briggs Flathead / Oppy Fuel Problem on: April 21, 2014, 09:30:09 PM
Ok guys I need your help. New build, 16hp oppy, I have the motor set with the carb sticking out of the left side of the hood. I have 2 carbs Im playing with - 1 older with 3 bolt fuel pump and 1 with 4 bolt fuel pump. The 3 bolt is bigger but for some reason it will not pull the fuel.  Both carbs and pumps are fresh rebuilds. The 4 bolt pulls the fuel but I run out coming off the corner (this being because of the direction of carb....float raising the needle etc). Now....I ran 5/16 fuel line from tank to carb with inline filter. Tank is mounted under seat BUT is lower than the carb. Should I go back to 1/4 fuel line? Is it too much for the 3 bolt to pull? My vacuum hose to carb is pulling from the #2 boss on the intake (NOT the block) that I drilled and tapped. I recently read a post about a reserve tube off the side of the carb which I will try....but my concern is I know these things like to be on the rich side....NOT the lean side so Id rather run the 3 bolt. Any ideas? Any help is GREATLY appreciated. Thanks in advance!!
6  Engine Help / Briggs OHV & Vanguard / 17.5 intek billet flywheel on: April 18, 2014, 05:16:00 PM
I have a 17.5hp intek ohv single I want to put a billet flywheel on. Anyone know which model flywheel is for that motor? My 20hp oppy grenaded yesterday and the first race is next sunday  bash .. I have a 17.5hp intek model 31F707 0112E1 that im going to have to run for now. Any help is appreciated. Thanks in advance.
7  Engine Help / Briggs Flathead / 20hp OPPY WIRING on: March 13, 2014, 04:29:40 PM
Ok guys I have a question. I just got my hands on a 20hp Briggs oppy model:461707 0143E1. I have no idea if I have everything I need to wire this.   bash Im searching high and low for a wiring schematic for this thing. My last motor was a briggs 17hp intek so the twin is pretty different. Im looking for a schematic that can show me what I need to run it on my race mower. Minimal as possible of course! ANY help is appreciated. Thanks guys!
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