I have a 95 SR20 engine setting in my basement full of oil right now just asking to be built. It has aproximately 150,000 miles on it and was in running condition when removed from the car to my knowledge. My question is since the cylinders will obviously have some serious taper in them should i bore the block, i.e. .030 over, bore the block and sleeve it back to stock, just build the engine w/ everything but pistons and leave the OEM pistons in, or sell this engine and buy one w/ less miles? If I was to bore the block what are the tolerances for a SR20 block... How far is to far.I'd just hate to hit a water jacket in this thing. Any past experiances would be of great help
I have a 95 SR20 engine setting in my basement full of oil right now just asking to be built. It has aproximately 150,000 miles on it and was in running condition when removed from the car to my knowledge. My question is since the cylinders will obviously have some serious taper in them should i bore the block, i.e. .030 over, bore the block and sleeve it back to stock, just build the engine w/ everything but pistons and leave the OEM pistons in, or sell this engine and buy one w/ less miles? If I was to bore the block what are the tolerances for a SR20 block... How far is to far.I'd just hate to hit a water jacket in this thing. Any past experiances would be of great help
I think if you go over 87mm you should sleeve it, go to jgycustoms.com, they sleeve it for a good price
If the motor has been properly maintained, I really doubt you'll need to bore the block. I know of a guy, Greg Perry, who sprayed N2O on his motor for thousands of miles, put a turbo on somewhere after 100k miles, cracked a ringland on a piston around 180k miles or so. All he did was drop in some DET pistons, used a tool to rehone the cylinders, and dropped the pistons in.
If you really want, you can buy pistons in 86.5mm or 87mm and bore out the cylinders to those sizes without having to worry about sleeving.
If the motor has been properly maintained, I really doubt you'll need to bore the block. I know of a guy, Greg Perry, who sprayed N2O on his motor for thousands of miles, put a turbo on somewhere after 100k miles, cracked a ringland on a piston around 180k miles or so. All he did was drop in some DET pistons, used a tool to rehone the cylinders, and dropped the pistons in.
If you really want, you can buy pistons in 86.5mm or 87mm and bore out the cylinders to those sizes without having to worry about sleeving.
I dont think you need to sleeve it until 400+ hp anyways
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