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at [ROOT]/includes/functions.php:3887) [phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4756: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) RS Motorsport :: Classic Speed Restored • View topic - 200HP Kent ?
Sleeving cost will depend on what your trying to do, off the shelf sleeves like these are around the $40ea, custom sleeves will run around $110ea.
The cost though comes from how many cuts are required to size the parent bore, "A" sleeves, which are used to bring bores back to standard size usually only require one/two cuts push them in bore and hone, 4 x $40 for sleeves, 4 x $50 to bore for sleeves, 4 x $88 to bore and hone.
From there the price goes up, especially if your trying to save a block with thick wall sleeves.
The way I do them is stepped at the bottom so the sleeve sits on a shoulder, give them a .0005" clearance so they push in by hand, mark them at the top, part them off in the lathe, lots of Loctite and slip them in.
After a minimum of 24 hours bore to size and depending on the sleeve and the job the a chamfer tool will clean up the top or in the mill it goes.
A lot of people believe sleeves should be press fit, I disagree, if the Loctite is capable of filling a .012" gap, temp range to +250C with a 3000psi load rating, a shoulder at the bottom and head taking care of the top where can it go? And why would you want to disort the block pressing it in?
When I get bad blocks like this one were the sleeve will replace the parent bore in spots I will use "Hard Blok" http://www.hardblok.com/ to give extra support in the floor of the block, I fill up to the bottom of the welsh plug holes which is about an 1".
You should only sleeve blocks if you have to you would never sleeve a block for the sake of it.
The 2 main reasons I do it is to bring worn bores back to class legal size and to make an otherwise useless block usable. I will sometimes sonic 5 blocks for one customer and not find one that is capable of taking a class limit size so thick wall sleeves go in problem solved.
The grain structure of a sleeve is tighter than that of cast block however there is no real advantage.