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Cylinder sleeves, crankshaft pulley

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Rob

12-11-2001 15:16:58




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I am in the process of taking apart my engine to correct low compression, smoking, low oil pressure after warm up. I have a '49, and I discovered the valves have been updated to free rotating exhausts and adjustable tappets. Good news. It would appear the sleeves have also been updated, as when I measure from the seam between the sleeve and the block to the inside edge of the sleeve I read pretty much right on .090. So I'm ahead of the game from where I thought I'd be as far as machine shop work is concerned. I did note number 3 piston is pointing to the back instead of the front!

The crankshaft pulley is reeeeeally stuck on tight. I searched the archives and it appears most people have used pullers to get theirs off. Zane had a post that said you could use pry bars on opposing sides and it should pop off. I'm a little leary of doing that, in that I don't want ot break the pulley. Anybody else done it that way? I can round up a puller, that's not a problem. Just looking for voices of experience.

Thanks for reading the rambling and your comments.

Rob

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Gary (MO)

12-12-2001 05:43:46




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 Re: cylinder sleeves, crankshaft pulley in reply to Rob, 12-11-2001 15:16:58  
I drilled and tapped two holes in the pulley and bolted a puller to it. Yea it's thin but doesn't take much with a puller.



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Mike OH

12-11-2001 20:10:12




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 Re: cylinder sleeves, crankshaft pulley in reply to Rob, 12-11-2001 15:16:58  
Rob, I recently took mine off and found the biggest difficulty was removing the ratchet nut in the center of the pulley. Once I got it off, it only took some light tapping on the side of the pulley to get the pulley off. The pulley will not come off until the ratchet nut is removed first. You did remove the ratchet nut ????



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Rob

12-12-2001 06:20:11




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 Re: Re: cylinder sleeves, crankshaft pulley in reply to Mike OH, 12-11-2001 20:10:12  
Yes, I did take the nut off, thanks. It was tight, indeed.

Rob



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ZANE

12-11-2001 17:15:29




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 Re: cylinder sleeves, crankshaft pulley in reply to Rob, 12-11-2001 15:16:58  
I'm sure someone will correct me if I am wrong but I don't think there is any accomidations on the front pully to use a puller. It is made of thin sheet metal that is welded to the hub of the pulley and if I remember right there is no room behind it for a puller that would catch enough material to keep from damaging it and it does not have any holes tapped for bolts to pull it with. It is not a press fit like most modern engines are and usually has enough clearance that it will come off with a little persuation. Sometimes there will be a dip in the hub where the seal has dug in over the years and this will tend to hold it tight but once you get the seal to give a little it should come off pretty easy.

The pulley is fairly easy to bend so give it an even pry on both sides at once. Get close to the center of the pulley as is possible and don't pry on the belt pulley part and bend it.

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Rob

12-12-2001 06:22:54




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 Re: Re: cylinder sleeves, crankshaft pulley in reply to ZANE, 12-11-2001 17:15:29  
Thanks for the reply. I will give the pry bars a try when I get home tonight and let you know how it went.

Rob



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