As Randy pointed out, that is probably .5mm or .020". We bore 2mm oversize on a regular basis on our strokers. A customer in FL is at 880 RWHP with the stroker, so I think it's safe ;-)
Bill Cardell TurboDog's Dad www.flyinmiata.com www.fmwestfield.com Sales 1-800-359-6957 Tech 970-464-5600 Before you call, check out http://www.flyinmiata.com/FAQ/ ________________________________ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of pm Sent: Tuesday, September 23, 2008 9:49 AM To: Miata Power List Subject: oversize boring Hi, it looks like my 95 motor was bored to 0.50 over because that number is stamped on the pistons. Wouldnt that be alot to bore coming from a stock block? If the cylinders are indeed .50 over, that block is probably not a good candidate for machining, right? tia, peter btw, i removed the crank/timing gear key by clamping vise grips onto the side of the key and levering it out -- Medio tutissmus ibis You will go most safely by the middle course
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