Author Topic: Anybody seen the new briggs 33 ci engine  (Read 19361 times)

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Offline mowdak1

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Re: Anybody seen the new briggs 33 ci engine
« Reply #45 on: February 05, 2008, 01:18:09 am »
.260 overbore is a huge difference. That's over 1/4" larger of a bore.... 


Your cylinder walls are going to get waaaay thin with that bore.


Offline pjhusske

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Re: Anybody seen the new briggs 33 ci engine
« Reply #46 on: February 05, 2008, 09:38:48 am »
How about boring a 31CID block too 33CID?
PJ Husske


Offline CaseRacer969

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Re: Anybody seen the new briggs 33 ci engine
« Reply #47 on: February 05, 2008, 09:59:45 am »
The 31 block may work but the head gasket surface between the cylinder and the push rod/lifter area would only be about 1/8" wide.  It would be tough to keep a head gasket from blowing out in that area.  Maybe with a copper gasket it could work. 


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Offline pjhusske

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Re: Anybody seen the new briggs 33 ci engine
« Reply #48 on: February 05, 2008, 10:06:07 am »
i got ya. I am sure someone will come up with something.
PJ Husske

Offline johnboy

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Re: Anybody seen the new briggs 33 ci engine
« Reply #49 on: February 05, 2008, 08:53:59 pm »
33 block- upper half( no pan )- part number 794128   price-$ 162.20 at your Briggs dealer
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Offline DIRT

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Re: Anybody seen the new briggs 33 ci engine
« Reply #50 on: February 08, 2008, 09:23:23 pm »
I got one of these 33ci motors 21hp I tried putting it in my craftsman lt4000 I lowered the hood and the air cleaner assembly rubes against the the hood, I was wondering if there is a aftermarket air cleaner kit i can use to fix this problem i do not want to hack up the hood, Does anybody got any Ideas ?????


Offline outlawmower

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Re: Anybody seen the new briggs 33 ci engine
« Reply #51 on: February 08, 2008, 09:27:55 pm »
Air scoop like Michael A. Formentini runs ~ http://www.heymow.com/index.php?topic=5702.0
PUT YOUR GAME FACE ON!!!

Offline mowfun225

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33 ci engine
« Reply #52 on: August 02, 2008, 11:36:47 am »
So the part number for the 33, is the right one but, will the pistion oin fit the arc rod. Also is the skirt big like a stock 28 or short........thank joe 225 C/P

Offline Forrest

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Re: Anybody seen the new briggs 33 ci engine
« Reply #53 on: August 03, 2008, 04:02:41 pm »
So what would one of these 33ci OHV motors make for power with Mild Cam, upgraded valvetrain, port/polished head, adj main jet and exhaust?   Easy 30hp?

Offline big jerm

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Re: Anybody seen the new briggs 33 ci engine
« Reply #54 on: July 17, 2011, 10:54:57 pm »
did anyone ever take the time to build a 33
Jeremy Shrouder


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Offline MIKE/PRECISIONCAMS

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Re: Anybody seen the new briggs 33 ci engine
« Reply #55 on: July 18, 2011, 11:01:46 pm »
Precision Cams now stocks the 33 kit engine.  It comes complete with a new PC 440 cam/spring package and all Billet parts.  We also handle all the machine work, making it real easy for the engine builder.   :woo:

Offline more4les

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Re: Anybody seen the new briggs 33 ci engine
« Reply #56 on: July 19, 2011, 09:15:47 am »
33 block- upper half( no pan )- part number 794128   price-$ 162.20 at your Briggs dealer
What dealer are you finding this at for $162? Best i found was over $400.

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Offline LC

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Re: Anybody seen the new briggs 33 ci engine
« Reply #57 on: July 19, 2011, 11:48:44 am »
I agree, Mike told me his cost on the block was around $450, I never checked myself just took his work for it and bought a complete engine for a little more.
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Offline George Herrin

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Re: Anybody seen the new briggs 33 ci engine
« Reply #58 on: July 19, 2011, 12:56:50 pm »
Guys that price was 3 years ago Briggs goes up 3 or more times a year
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Offline THawley08

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Re: Anybody seen the new briggs 33 ci engine
« Reply #59 on: July 19, 2011, 01:03:26 pm »
486.85 from the briggs site.
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