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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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S-66 or 660?

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buckwheat

05-07-2005 19:22:02




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How do you tell the difference between a S-66 and a 660 without the serial tag? Thank you




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Centerplate

05-09-2005 20:00:01




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 Re: S-66 or 660? in reply to buckwheat, 05-07-2005 19:22:02  
So which one do you have?



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buckwheat

05-10-2005 08:26:56




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 Re: S-66 or 660? in reply to Centerplate, 05-09-2005 20:00:01  
Well, I don't have either yet, it is one that I am going to look at that the guy said he thought was a s-66 with a 660 tag. Hopefully it is a 660. I would like to have the whole 3 digit series someday if I ever get lucky enough to find them all for a decent price.



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RickB

05-10-2005 16:19:47




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 Re: S-66 or 660? in reply to buckwheat, 05-10-2005 08:26:56  
Bear in mind they built less than 1500 660's.



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buckwheat

05-10-2005 17:47:34




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 Re: S-66 or 660? in reply to RickB, 05-10-2005 16:19:47  
I know that is why I am really hoping it is a 660. What is a non-running 660 worth that has decent tin and is loose? Narrow front gas, with decent tin. I don't have a lot of money as I am a college kid, so this would be the only way I could have a 660. I think they are really neat.



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buckwheat

05-09-2005 19:29:51




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 Re: S-66 or 660? in reply to buckwheat, 05-07-2005 19:22:02  
Thank you for all of your help guys.



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J. Schwiebert

05-08-2005 03:14:48




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 Re: S-66 or 660? in reply to buckwheat, 05-07-2005 19:22:02  
Aircleaners both intake and exhaust manifolds and carburetors are totally different. Super 66 will have a 1L100* (B I think) block casting number a 660 will have a six digit number.



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buckwheat

05-08-2005 10:17:11




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 Re: S-66 or 660? in reply to J. Schwiebert, 05-08-2005 03:14:48  
Is there noticeable differences in these features that make it easy to tell besides the block casting number? Like possibly the brand of carb or model and what are the differences in the manifolds and the air cleaners? I am going to look at one that the guy said he thought was a 660, but I want to make sure somebody just didn't switch the serial number. Thank you,
Lance



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RickB

05-08-2005 13:04:44




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  660 manifolds, carb aircleaner in reply to buckwheat, 05-08-2005 10:17:11  
The 660 uses a larger intake that has a larger flange to fit the larger TSX775 carb. The exhaust manifold has a rear discharge (common to the 550) with a separate part (only used on the 660) to adapt the muffler to the manifold. This separate exhaust pipe bolts to the manifold with a two bolt flange, and is braced to the manifolds at the center with a 'T' shaped piece of flat stock. The air cleaner discharges to the carb at an angle via a rubber hose with another 45 degree angle in it. The 66/S66 air cleaner discharges horizontally into the smaller carb via a straight hose.

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