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Messages - crazycraftsman

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Briggs OHV & Vanguard / Re: Head gasket
« on: January 16, 2019, 10:25:44 PM »
Depending on how much valve to piston clearance you have. Using a cheeta cam or something less then 500 lift you could take off .045-.050 tho off more easy. Just puddy the piston when done to double check valve clearances. Wouldnít go less than .040 to piston.

Chassis / Re: Frame rails
« on: December 08, 2018, 06:35:28 PM »
Use the frame rails to be legal

Briggs OHV & Vanguard / Re: Big Bore 2 Barrel Carburetor
« on: September 08, 2018, 09:42:57 PM »
Cromwell Racing sells the big bore race carb. Stage 3? I Believe itís from a 35hp Kohler.

Driveline / Re: peerless 400 setup
« on: February 04, 2018, 11:50:26 PM »
400 trans will last a long time. I use 75/140w but you could just use 80/90. You can use both sides of output. Thereís a parts list on Here for all the bearings and washers, seals. Iíve never turned one on itís side , wonít last long as it wonít get oil to needle bearings on pinion shaft. I put a 1/8th pipe thread drain plug in bottom and a breather vent on top, then you good to go. Iíve put all kinds of rpm on trans never blew one up yet.

Racing Mower Builds / Re: Need some (A lot) of help with my build
« on: December 13, 2017, 11:43:58 PM »
Are you building a stock mower or a Racing mower to be raced in a class?

Tires / Re: FXS Tire Size Pros and Cons
« on: November 04, 2017, 12:42:44 PM »
6Ē-12Ē wise rears will have faster acceleration out of corner and 15-16Ē rears will have more of a longer pull down straight. Bit more traction

Briggs OHV & Vanguard / Re: Briggs vanguard v-twin fuel issue
« on: November 04, 2017, 12:38:47 PM »
Have you tried a new fuel pump? Where is your pump getting pulse from?

Briggs OHV & Vanguard / Re: Briggs 31 ohv compression
« on: November 04, 2017, 12:28:56 PM »
The 33 is a better head but you would have to cc 28/31/33 head to see if there is a difference in camber size

Briggs OHV & Vanguard / Re: HD Stamped Rocker Arms Part #? 38ci
« on: October 29, 2017, 05:08:37 PM »
Use the aluminum ones. All you need to do is drill and tap stud holes to 8mm and file down tabs.
I got a couple sets of new in box newer style steel rockers you can have for cheap. Iíve bought a couple sets of new heads and they come with them, I use the aluminum ones and have never broke one.

Briggs OHV & Vanguard / Re: 18hp Vanguard Build Advice
« on: August 23, 2017, 08:05:35 PM »
First purchase should be a billet flywheel, then do your mods

Briggs OHV & Vanguard / Re: Briggs 31C707 build help
« on: August 23, 2017, 08:03:42 PM »
What's your budget? What's your class rules on the engine?

Briggs OHV & Vanguard / Re: 33CI AVS HELP!
« on: July 12, 2017, 07:53:08 PM »
Are you running the 33 crank gear? Because the model 28/31 gear is required to run with arc billet crank. It will mess up big time running the 33 gear or not run. Keyed slot if way off.

Briggs OHV & Vanguard / Re: Model 21b807
« on: June 12, 2017, 09:51:28 PM »
They finding a Briggs model # starting with 28/31/33. 14-21 hp sticker. There's lots of aftermarket parts for them.

Briggs OHV & Vanguard / Re: Bore a 28 cube to 31 cube .020 over
« on: June 07, 2017, 09:12:44 PM »
Motor was all new except cam and the cam broke and messed up the block. Piston , rod ,crank etc all good . Must of got fatigued when motorblow last year. Found a 31 block today and getting it bored to fit the .020 piston as it's still brand new. Just some bad luck for first points race but we had a complete back up motor that saved him some points.

Briggs OHV & Vanguard / Re: Bore a 28 cube to 31 cube .020 over
« on: June 07, 2017, 08:50:29 AM »
Ok thanks. Good to know.

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