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Messages - Johnson Mowersports

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Briggs OHV & Vanguard / Re: Big Bore 2 Barrel Carburetor
« on: September 08, 2018, 08:39:50 PM » but the carb want fit the stock intake on an inteknif thatís what you have it took a very large amount of porting the intake to make the throttle blades open intake will be weak and will eventually crack

Briggs OHV & Vanguard / Re: Big Bore 49 Intek V-Twin??
« on: September 08, 2018, 08:35:09 PM »
Inteck heads flow so poorly making the engine bigger will just make the problem worse  A small Vanguard with some ported 23 HP heads will have more power than any Inteck  14 to 1 compression is good but we used 14.5  you will need to "O" ring the heads and use copper gaskets
:lol: :lol: :lol: :lol: :lol: :roll:

Briggs OHV & Vanguard / Re: Looking for valves
« on: February 20, 2017, 06:10:50 PM »
I do know the seats measured the same size on the 28 and 33 head

Briggs OHV & Vanguard / Re: Looking for valves
« on: February 15, 2017, 11:02:57 PM »
So what is the size of the standard intake and exhaust valves

Briggs OHV & Vanguard / Re: Looking for valves
« on: February 11, 2017, 12:28:08 PM »
I took the 33 head and compared it to the 28 and the ports were the same size and shape not seeing any difference. I'm having the 28 head ported so it should be better than the 33 head. When I took my 33 apart that was built by a respectable person not gonna say any names but there was no port work done nor was heat shaved only thing done was swirls groves cut at the top of the port and this motor was no slouch eiter. So I hope I'm going in the right direction with what I'm doing just wanted some valves a little larger and in stainless because I broke a valve last season and that coat me a head and piston. Thanks

Briggs OHV & Vanguard / Looking for valves
« on: January 21, 2017, 02:53:35 PM »
I'm looking for valves to run on a 33 Briggs I am having a 28 head worked but not sure on valves wanting some that are bigger than stock without having to change seats also looking for stainless steel. Thanks

Briggs OHV & Vanguard / Intek oil pan ????
« on: December 03, 2016, 09:06:30 AM »
What year inteks have the small cam journal??

Coffee Shop / Re: Choosing spark plug type & heat range?
« on: August 16, 2016, 06:53:06 PM »
Autolite 3924 or ap3924 it's cheap and I prefer Autolite

There is no manifold just a plastic heat spacer

Briggs OHV & Vanguard / 38 vanguard
« on: May 30, 2016, 08:29:38 PM »
How big can you go with a 38 vanguard with bore and is there a crank in a smaller vanguard that has more stroke or vise versa that will interchange? Thanks

Briggs OHV & Vanguard / Re: Briggs 33ci
« on: April 13, 2016, 07:38:20 AM »
Ok were you running the billet crank?

Briggs OHV & Vanguard / Briggs 33ci
« on: April 12, 2016, 08:43:23 PM »
Just getting into the single cylinder game. I have a 33ci Briggs single that's never been run. It has a good cam not sure the lift but has the adjustable cam gear billet rod balanced crank extensive head work and all the other goodies my question is what kind of rpm range should I run this motor in? I knoe about my vtwin but no clue on the singles I remember people having problems with breaking cranks and stuff but this one has the standard pressure lubed crank balanced. Thanks for any advice.

Briggs OHV & Vanguard / Re: Intek head question
« on: March 31, 2016, 09:20:34 PM »
Thanks I got 63.5cm from center to center so I think I'm close. Trying to find some angled rubber carb intake mounts for the kenhi carbs

Briggs OHV & Vanguard / Re: Intek V-Twin cooling questions.
« on: March 23, 2016, 09:03:45 PM »
We never mess with any of that just cut out the shroud for the air filter and that's it never had a heat problem don't think my head temp has ever been over 280 degrees

Briggs OHV & Vanguard / Intek head question
« on: March 23, 2016, 09:00:38 PM »
I'm looking for the bolt spacing on an Intek v twin intake port any help would be appreciated. Thanks Josh

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