317 cracks between seats
06-27-2014, 01:21 PM
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317 cracks between seats Hi guys im building my turbo setup and the machine shop found hairline cracks between the valve seats on my 317s. Is this fairly common and do you guys run them or just source new heads when you find this. My combo is a 370ci with s480
06-27-2014, 01:44 PM
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It's very common I heard of a few having cracks with less than 100k. Shoot I bought two pair both having cracks! Luckily I was only in them for 100, I gave up just bought prc heads