this is not a motorcycle engine, however a lot of you guys on here are pretty knowledgeable when it comes to making old motors run low quality picture, but this is a cracked sleeve on a GM 350ci small block (was hydrolocked) it is cracked all the way through. one side of the crack protrudes just over a millimeter further than the other side leaving a nice big ridge for the piston to ride on while my coolant happily flows straight down into the oil pan. as the crack runs almost the entire length of the sleeve, is it viable to re-sleeve it or would it not be solid enough to hold the new sleeve? don't really want to buy a new block since i already bought another car to get me around until winter ends and the ice melts cheers
Hate to tell you this but if it is a Cast Iron 350 small block... they are not sleeved and the block is US.. ( unserviceable). I would think it would be cheaper to get a new (old) block anyway.. 350 sb chevy engines are a dime a dozen these days... Is it an 010 block... i.e. 4 bolt mains?? That might make it a little more difficult to source but not impossible... Probably just pick up another engine complete..
Yeah should have no problem's fitting a sleeve, make sure it's a thick one, thin one's can crack I had 8 sleeve's fitted to my old 351 Cleveland
I would be getting the block checked before any work is done on it though... I had what I thought was a perfect 010 Chev 350 that went in to be bored, line bored, decked etc and when they acid dipped it (prior to any machining) it had several freeze cracks in it... turns out it was a Canadian motor and probably hadnt run proper coolant and in winter they freeze up and create cracks... some show on the outside... some show up in bores like yours... Crack in the bore can be fixed by sleeving (always do all 8) but cracks to the exterior are harder to see and cannot be fixed. I still think it is cheaper and easier to get another block.
If the wall has moved to that extent, it's cracked a lot more than it appears. If it's sleeved, I'd doubt if there will be enough support left to keep things together. Even here in NZ where we have to do odd stuff to keep engines running, it'd be a replacement block or short engine....
yep its a 4 bolt main. i might just take the block down to the local machine shop/auto parts place and see if they think it's worth saving, but it looks like i can get a decent used block for a few hundred bucks on craigslist anyway. if all else fails i can just remove the piston, fill the cylinder with cement and have a rattling 305 v7
No need to fill it with cement... just take the pushrods out and weld her up...... I would shoot for the craigslist block... especially if it is a California block... they never have cracks.
