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Ford 9N, 2N & 8N Discussion Forum
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boiling block WITH new sleeves

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46lash

12-25-2005 15:45:08




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I made an assumption, and ended up with a block back from the machine shop with new sleeves installed and honed to fit for the pistons, valve seats ground and valves lapped in but WITHOUT the freeze plugs being removed and or the block being boiled, it was just washed in a hot parts washer cabinet. I pulled the freeze plugs out today and it is obvious it has to be boiled . My question is will the chemicals normally used in the hot tank for boiling cause any problems with the fresh metal surfaces on the inside of the sleeves and on the valve seats? On another subject, the replacement steering wheel for my 52 8N I bought (and will be returning) is not a in my opinion a close match to the original.the black material is to soft and to large in diameter and the bumps on the bottom side are not spaced right. Who offers an EXACT replacement? OR is my original really worn down that far and has the material become that much harder due to exposure to the elements? It's not that I have money to burn, but I'd be willing to shell out more then the $50 bucks I spent on the first one to get one that feels and looks correct. Has anyone bought and used one of the steering wheel restoration kits (like the "POR-15")and had good results? Thanks in advance for your advice. Greg

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TheOldHokie

12-27-2005 05:00:47




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 Re: boiling block WITH new sleeves in reply to 46lash, 12-25-2005 15:45:08  
Remove the sleeves before cooking the block - the surface finish will be damaged by the caustics. Recheck fit and finish after reinstalling.

TOH



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Hobo,NC

12-26-2005 07:41:40




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 Re: boiling block WITH new sleeves in reply to 46lash, 12-25-2005 15:45:08  
What will really help izz to mount to a engine stand and either pressure wash or take to a car wash and blow out the crud. Be prepared to dry the cylinders and valve seats and apply oil as soon as possible to hold down the surface rust. Blow out the oil passages good also, wipe down the cam journals and main bearing surface also. You still will git a little surface rust so wipe down good be fore assembly. Even when I have a engine cleaned I always go back over it myself. Even thow I don’t believe the hot tank will hurt the liners the hot tank will not do as good a job as a pressure washer to clean out the water jackets. Or with the freeze plugs in the hot tank will not remove the crude. Remember ya gotta werk fast to stay ahead of the rust, surface rust will start to set in before ya dry it off. WD-40 may be the ticket but I don't like it I use brake clean then wipe down with motor oil. If the liners have been fitted have a bucket of soapy water and a rag and give'em a good clean'in at this time. If they have not been fitted fit'em and make sure the valves have been lapped in then do the clean'in job. to make sure the liners are clean wipe with a white cloth it shoud come out clean.

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Dave H (NY)

12-26-2005 05:29:38




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 Re: boiling block WITH new sleeves in reply to 46lash, 12-25-2005 15:45:08  
Greg, I worked at a speed shop in the 80's and we never put a block in to be boiled after the machine work was done the finished surface of the sleeves as well as the valve seats can be damaged by the chemicals.



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Kelly Jewell(KY)

12-25-2005 18:38:40




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 Re: boiling block WITH new sleeves in reply to 46lash, 12-25-2005 15:45:08  
Greg, the original 8N-3600 steering wheel was built by a school bus body manufacturing company and covered with hard rubber and painted gloss black. This style wheel went the way of hard rubber battery cases. I have a original 2N-3600 that was made the same way, but broched for a key way rather than splines. Most people think they were very thin, when in fact they were fairly fat in the beginning. The rubber wore off on your hands at a slow pace....Kelly

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Jimmyjack

12-25-2005 17:30:28




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 Re: boiling block WITH new sleeves in reply to 46lash, 12-25-2005 15:45:08  
I dont know what you are boiling it in, but I would consider using a pressure washer with heat if you have one available. You can use the soap too and when done Id blow it all off very good after rinsing with the hot water rinse. I have had good luck with this, but I do it before as you would have liked to.



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