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Old 06 May 2008, 09:31 pm
tim tim is offline
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Default can i bore out my d16 block, if so how much is safe?

can i bore out my d16 block, if so how much is safe?
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Old 06 May 2008, 09:46 pm
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You need to talk to your machine shop on that, but I would imagine that you are gonna be limited by how big of pistons that are available.. I mean if you take the block to a safe .040" or 1.0mm you will probably be able to find pistons. but even if you could take the block safely to .060" or 1.50mm that doesn't mean that there will be pistons available for it.. plus there also a change in compression when you go big... because of the amount of head that is now there where there didn't used to be with STD cylinders...Just have a talk with a quality machine shop that builds engines... they will let you know..
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Old 06 May 2008, 10:01 pm
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your gonna wanna bore it the least amount possible and still have it in spec.if your trying to make power with it the sleeves are pretty week on sohc's and boring them makes less space between cylinders.. making them more prone to cracking.
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Old 06 May 2008, 10:16 pm
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For the amount it would cost for the machine wark, pistons, new gaskets, etc... It would be cheaper and actually give you more power to get a B16A or a B18C1. A bored and stroked fully built D series motor running naturally aspirated will only give you about 150-170 HP at the wheels and keep in mind that this is after $6,000-$8,000 in motor waork and parts. A B series motor can be found for around $1,500 and give you nearly that much in STOCK form. So consider wisley.
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