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Discussion Forum

Engine sleeves

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wc beginner

08-13-2002 17:33:50

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I am gettting ready to rebuild the engine in an unstyled wc and have a few questions. Someone asked me the other day if it had wet or dry sleeves. Do you know thw answer to that? They told me that water actually contacts the sleeve on a wet one and a dry sleeve is placed in a bore of solid steel. Does that sound correct? I want to put 4.5 inch pistons in and put a crank from a WD 45 and it seems that I am going to have to find sleeves from something else to go in it that will match the dimensions neccessary. It sounds like to me that you can knock out the old sleeve, bore the block and slide a new, bigger sleeve in. What I need to know is how long does the sleeve need to be and what wall thickness do I want to stay with?

Thanks in advance

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08-14-2002 08:30:09

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 Re: engine sleeves in reply to wc beginner, 08-13-2002 17:33:50  
I have built wc pulling engines. First of all you have to be lucky to find one that is not cracked between the sleeves. Then if you want a long lasting engine you need to put a steel deck plate on top to anchor everything together to set the sleeves in. You can go 4.250 bore with "O" rings on the sleeves. But it is best to go with 1/16 "O" ring 3 on each sleeve. You are talking major work and expense to do all this right.4.1/2 bore can be had but you have to press sleeves in block with step on btm of sleeve using 3/32 wall sleeve.I did 2 back in 1985 & 1986 . Earl In Illinois

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Butch (OH)

08-14-2002 06:46:02

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 Re: engine sleeves in reply to wc beginner, 08-13-2002 17:33:50  
I am a little comfused by your post so if I answer a qestion you didn't ask, my appologies. The engine is wet sleeved, the dimensions of which are the same for WC,WD, and WD-45. All share a 4" bore. The commen overbore kit is 4.125 and the OD is the same, you just slide them in like the original 4 inchers. I am reasonably sure that you can't go 4.250 without increasing the OD of the sleeve and performing the block boring work you discribed. If you go with a STD 4.125 overbore kit make sure you get it for the correct stroke WC-WD (4") or Wd-45,D-17, 170 (4.5"), the pin hieghts are different for the different strokes. The 170 kit will give at little higher compression ratio IF it is listed seperately. Some suppliers sell the WD-45 thru 170 kits under the same part number.

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Bama Dee

08-14-2002 04:32:01

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 Re: engine sleeves in reply to wc beginner, 08-13-2002 17:33:50  
I think the largest sleeves the WC block will take is 4.125". Like Steve said, some of the re-builder guys can give you a better idea of what can and can not be done to these engines. Good Luck --Dee

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08-13-2002 18:46:15

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 Re: engine sleeves in reply to wc beginner, 08-13-2002 17:33:50  
WC you are right on about all accounts.
--wet sleeves mean the block has hollow spots inside and when you pull the sleeve you can acutally see the water jacket. All old AC motors are wet sleeve.
--dry sleeves are inserts into a solid block. i believe the ford 8N, 9N series is of this type.
--you can put bigger sleeves in the WC, they are called WD45 sleeves. I dont happen to know the full details, but i think you need the WD45 sleeves, pistons and crank and i believe it just falls into position, just dont mix and match parts with the WC. YOu cant bore the bock oversize and put in bigger sleeves. Block webbing in the water jacket is not designeed for this. You really need to talk to Deuy or one of the WD guys for the exact details. Might even be able to used D17 parts, but im not sure if they go all the way back to fit the WC. They will fit the WD.

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08-13-2002 17:37:20

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 Re: engine sleeves in reply to wc beginner, 08-13-2002 17:33:50  
I am sorry, i meant 4.250 pistons.

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