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Go Back   Only Cub Cadets > Cub Cadets > Cub Cadet Engines > Kohler Engines
Reload this Page Could someone please explain to me what is going on here?
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  #11  
Old 08-08-2014, 06:04 PM
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garnold garnold is offline
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Originally Posted by J-Mech View Post
That's correct.
241 just doesn't have enough cubes to make that carb work.


Don't let the sound of the motor in the vid fool you. It's only idling at around 300RPM, which is incredibly low. Plus, no exhaust that makes it sound like it has a "lobe", which it really doesn't. Lots of fire out the exhaust means exhaust valve probably isn't sealing well along with too much fuel on decel (heavy vacuum situation). On acceleration it probably is running lean given the large carb, and low vac due to the venturi size. That guy is going to find it isn't the motor he thinks it is when he puts it back in.

Garnold, you want to "hop" your engine up: get a LP head, bump the timing up a couple degrees, index the plug and set the high-idle, no load to 3800RPM. The Kerber cam is a good choice (only hear good things about them, but haven't used one yet) but they do cost quite a bit. As much as the engine kit is going to cost, so I don't know how much you are looking to spend. Not really necessary, AFAIC, for the application you are after. Your just like most everyone is....... you want to "hop it up"...... but there is no reason to unless your going to take it to the pulls. If you want more power, put a bigger motor in it. It would be cheaper to do that than custom build a 10hp. Just my It's your money.

This all makes very good sense to me. Yeah, if this is going to cost me a crazy amount of money just to do it I'll pass. My lottery ticket just has not cleared yet so my millions are still held up
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  #12  
Old 08-08-2014, 06:18 PM
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Sam Mac Sam Mac is offline
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Just my 2 cents on this subject. I have always gone by the "Build them big and turn them slow" philosophy. No substitute for cubic inch's.
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  #13  
Old 08-08-2014, 06:20 PM
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Just my 2 cents on this subject. I have always gone by the "Build them big and turn them slow" philosophy. No substitute for cubic inch's.
That is like Rule #1 on engine building. There is NO substitute for cubes. Good point Sam!

There also something to be said for RPM's, but it takes a lot more engineering to run a big motor fast.
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  #14  
Old 08-08-2014, 06:22 PM
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No substitute for cubic inch's.
NOS and Boost!! JK I agree with you!
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  #15  
Old 08-08-2014, 06:30 PM
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Would this rebuild kit work for my engine? I also remember reading that someone bought a head gasket that did not fit their engine even though the found one for their correct engine type and they also needed to reference the engines sn# I think? Either way I'm just trying to make sure that if I want to rebuild my Kohler 10hp from my Cub 108 that this kit would work.

http://www.ebay.com/itm/Engine-Rebui...item1c35055041
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  #16  
Old 08-08-2014, 06:40 PM
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Would this rebuild kit work for my engine? I also remember reading that someone bought a head gasket that did not fit their engine even though the found one for their correct engine type and they also needed to reference the engines sn# I think? Either way I'm just trying to make sure that if I want to rebuild my Kohler 10hp from my Cub 108 that this kit would work.

http://www.ebay.com/itm/Engine-Rebui...item1c35055041
Yep. I've bought from them. So have a few others on here. So far, so good.
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  #17  
Old 08-08-2014, 06:43 PM
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Yep. I've bought from them. So have a few others on here. So far, so good.
SWEET! Thanks
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Old 08-08-2014, 07:09 PM
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I feel so much stupidererererr for having watched that!!!!!
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  #19  
Old 08-08-2014, 08:19 PM
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Thing sound like a hit & miss engine to me.
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Old 08-08-2014, 08:37 PM
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Yep. I've bought from them. So have a few others on here. So far, so good.
I just bought one for my k181 minus the tune up stuff and rod. It's aftermarket Rotary parts, good price and he sends stuff fast, have to specify what engine and std or over piston, etc.
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