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ChadS
09-22-2007 07:02:16
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Re: 350 blocks in reply to semo H, 09-19-2007 18:47:56
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No. Would have to be sleeved. Eventually, if water is ran with a pressurized radiator, will start leaking thru the hard block. 3.8125 is bout it and still be in the original block, and water jackets should be filled up to the bottom of the water plate. Rings made to fill in the counterbore left over from the sleeve flange in the block deck, with a 350 head gasket. I have a 300 block out in the shed, was bored out with pressed in sleeves, offset bored a little, sleeves were at least .180 thick, sitting at 3.90 bore. Block would either have to use a deck plate, or weld the sleeves into the block deck, and hard block the water jackets up to the plate to run water, or run the water thru the head only and fill it up with hardblock. Was going to put on a deck plate, and put in a dry sleeve, inside the pressed in sleeve and the deck plate help hold it all together, for a bore of 4 inch+.060 with dry sleeves. I dont know how good it would have been or would be, if Id finished it up that way, but, the cyl walls would be pretty thick if everything stayed put for final machine work. Was still beliving it to be water cooled, and water still running thru the top of the block and head. maybe a picture of the block might help to best describe, but was what I was gonna do for a 4 inch block. I backed up on the bore, kept in in the original cyl walls of the block, and if the thing aint cracked, no worries on anything leaking. 300-350 blocks were better casted in the block decks VS H blocks, especially on the water passage at the front of the block. Hope this helps, ChadS chads3@hotmail.com
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