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Re: Re: Re: Re: Re: Re: Re: Super A cubic-inch dis
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Posted by Stan(VA). on June 17, 2004 at 06:30:50 from (208.59.156.177):
In Reply to: Re: Re: Re: Re: Re: Re: Super A cubic-inch displac posted by Hugh MacKay on June 16, 2004 at 17:08:30:
Thanks, Hugh. That is some useful info.
As far as possible sleeve configurations: The 251069 block has 3-5/16" sleeve OD (at the O-ring) and originally had standard sleeve and 3" bore (C-113). The overbore kits are thin sleeve with 3-1/8" bore (C-123). The 354898 block has 3-7/16" sleeve OD and (we now know) came in two standard configurations: 1- standard sleeve with 3-1/8" bore (C-123 Super C); or 2- thick sleeve and 3" bore (C-113 in late Super A). The overbore kits are thin sleeve with 3-1/4" bore (~C-133). It gets more interesting when the x30 series came out. 130/140 and 230/240 tractors came with C-123 that used the thin sleeve 3-1/8" piston/sleeve set from the factory (3-1/8" bore and 3-5/16" sleeve OD). I have been told that IH's overbore kits for the C-113 would not interchange with the factory kits for the x30/x40 series, but I know that the aftermarket ones do interchange. My guess is that they changed the depth from the bottom of the sleeve that the O-ring seats at and the aftermarket kits handle the deeper ones so they can be used in either? My 230 has block number 366204R1 eng num 39465; my spare 240U block is 367825R2 eng num 75014; my 140 block is also 367825R2 eng num 101390. The parts book shows a change at eng num 65000. I assume that is the 366204 to 367825 block change that changed the front of the block for the new style water pump and they received the new style crankshaft that used a nut to hold the front pulley on instead of the press fit system. This new pulley uses a thinner fan belt also. The important thing to remember is that you need the sleeve OD when ordering sleeves, it should be one or the other and most kits offered today are all the overbore thin-sleeve kits either 3-1/8" (for the 251069) or 3-1/4" (for the 354898). It does help to pull the old sleeves and measure because of the possibility of custom machine work being done over the years. I know of several C-113 blocks that were bored to allow use of the 3-7/16" OD sleeve kits. I have still not had one here to play with yet, but assume the C-135 is a 3-7/16" sleeve OD with 3-1/4" bore. But I no longer assume that the 354898 overbore sleeves will intechange. From the part numbers they appear to be unique. Even the aftermarket kits do not show overlap. Last question for you is what is the engine prefix letters on your Super A, FCM or FAAM or ? All the blocks with the C-123 cast designator don't use the stamped prefix letters anymore. I think the C-123 acts as the prefix identifier.
Stan(VA).
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