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Tecumseh Engines / tvt 691 not running on both cylinders
« Last post by ciarlo on September 21, 2016, 04:45:17 PM »
I have a tvt 691 with the ohv carbs and arc flywheel. It starts fine. When I give it full throttle there is a dead spot just beyond the idle until about 1/2 throttle. Then it revs up but doesn't always pick up the second cylinder.  I have stock emulsion tube and stock jets. I have looked online but haven't Ben able to find any new blue emulsion tubes. I was told the this engine idles on one cylinder and then picks up the other cylinder at higher rpm. I'm new to this so any and all help would be great.
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Mower Engines & Parts / 28 c.i. ohv briggs engine
« Last post by redracer on September 21, 2016, 04:14:57 PM »
Engine has Arc brass weights on old style crank(nut holds flywheel on),Arc rod and briggs magnesium piston, Precision cheetah cam, red magneto, ported and polished aluminum intake, ported and polished head, E.C. valve springs  (outers only installed).  Aluminum retainers and two piece locks ,Tommy's rocker bridge. Head cut .080, Denso starter,E.C. air filter ,Walbro carb without choke and ,has float bowl vented, Has stock flywheel. It might have a total of one hours runtime ,no races,

$500 OBO located in northwest ohio Gary
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Briggs OHV & Vanguard / Re: What Briggs motor do I have???
« Last post by PJG56 on September 21, 2016, 11:58:38 AM »
It is a 42ci opposed twin ,by the numbers you gave it is not a pressured lubed engine.
I have most of the parts you need for it,I ran that very same motor in 2013&2014 two national championships and won the All American when we visited in 2014.

Ed is correct it is not OHV ,it is valve in block motor
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Briggs OHV & Vanguard / Re: What Briggs motor do I have???
« Last post by redline on September 21, 2016, 11:15:44 AM »
In your first post you had said it was overhead valve. Opposed twins are valve in block.
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Briggs OHV & Vanguard / Re: What Briggs motor do I have???
« Last post by shawnb on September 21, 2016, 10:53:06 AM »
ok thanks. I wasnt sure if they were a good motor or not.
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Briggs OHV & Vanguard / Re: What Briggs motor do I have???
« Last post by Kokamo on September 21, 2016, 10:38:41 AM »
That is a 42 cubic inch Briggs opposed twin (AKA "oppy"). Not certain if it has an oil filter on it, but if it does, it would be a plus. Those motors can be built to run very well. Contact EC Carburetors or ARC Racing Products for aftermarket performance parts.

~Joe
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Briggs OHV & Vanguard / Re: What Briggs motor do I have???
« Last post by shawnb on September 21, 2016, 10:12:07 AM »
model 42E707 type 2631E
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Briggs OHV & Vanguard / Re: What Briggs motor do I have???
« Last post by Kokamo on September 21, 2016, 08:19:58 AM »
I'm pretty sure what motor you have, but give us a model and type....there's a tag with these numbers located on the blower cover (big red thing).
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Briggs OHV & Vanguard / What Briggs motor do I have???
« Last post by shawnb on September 21, 2016, 03:44:02 AM »
I picked up a craftsman lawn mower for the frame and it has a red top Briggs and Stratton 19.5hp I/C turbo cooled over head motor in it. It's not a vanguard. What exactly do I have here? And can I buy rods, pistons and performance upgrades for this motor? Not sure what to look under or what this motor is. Thanks its a opposed boxer engine. what parts fits this from arc??
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Mowers or Complete Setups / Re: FXT roller
« Last post by lil-Rat on September 20, 2016, 07:28:56 PM »
Selling the built flathead without the rolling chassis?
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