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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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S88D bigger valves

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slowsmoke

12-28-2003 10:41:02




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Will the valves from a C221-02 head (285/310?) fit in the K180a head from a S88 Diesel? will it help performance? or just the machine shop's wallet? Thanks, Don




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J. Schwiebert

12-28-2003 12:03:08




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 Re: S88D bigger valves in reply to slowsmoke, 12-28-2003 10:41:02  
Are we pulling or what? K180A head without looking would be for a fleetline diesel(K-180 gas head K-180A diesel head. Now you did not specify, but are you talking both intake and exhaust. Now there are a few Super heads that did not get changed that have both larger intake and exhaust valves. All super 88 diesel have larger intake valves. What is the head diameter of the valves you are using now? Of course the combustion chanmber on the Super 88 heads with the bigger exhaust valves is a little larger so if you run a turbo and turbo it hard you don't have to decompress it as much. Send me an e-mail address.

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slowsmoke

12-28-2003 13:13:19




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 Re: Re: S88D bigger valves in reply to J. Schwiebert, 12-28-2003 12:03:08  
It's for pulling. my S88D has a head gasket seaping, I have another head, + a set of valves from the 221 head, was considering building this head up before the swap. not sure what valves are in the head that's on the tractor now. what would be the part # for a super head? thanks, Don



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wisconsin 88

12-28-2003 15:59:40




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 Re: Re: Re: S88D bigger valves in reply to slowsmoke, 12-28-2003 13:13:19  
Probably the easiest fix for a better original looking head is a 99 diesel head, bolts right on, lot better head, if you're interested my neighbor has a good one for sale, email me, I'll give you the info, good luck!



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slowsmoke

12-29-2003 14:55:34




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 Re: Re: Re: Re: S88D bigger valves in reply to wisconsin 88, 12-28-2003 15:59:40  
a couple places I pull don't allow 99 heads



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Gus

01-01-2004 09:57:01




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 Re: Re: Re: Re: Re: S88D bigger valves in reply to slowsmoke, 12-29-2003 14:55:34  
Sounds like you may not be sure of what you really have. Might just be a good idea to pull the head and see just what is there and what size valves are in it. As for an improvement from valve size a lot will depend on the port size and shape and the size of the recess above the exhaust valve. Again is it all original or has it been changes or modified. I would suggest you start there.



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slowsmoke

01-03-2004 09:28:16




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 Re: Re: Re: Re: Re: Re: S88D bigger valves in reply to Gus, 01-01-2004 09:57:01  
Just trying to get ready to battle



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Gus

01-03-2004 16:27:03




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 Re: Re: Re: Re: Re: Re: Re: S88D bigger valves in reply to slowsmoke, 01-03-2004 09:28:16  
Like I said. You have to know where you are before you can move on. Suggest you look and see just what you have and what kind of condition it is in. Then you can decide whether some of the parts you are contemplating will really help. You may already be that big or even bigger?????



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