hustler Posted February 24, 2011 Share Posted February 24, 2011 I have severe problems with vibration and "soft hardware". It started with stretching turbine/manifold flange bolts; now that I have v-bands I'm stretching the CHRA/turbine bolts. More specifically, look at the safety-wired bolts: I've had pretty good luck with the SS bolts using Inco safety-wire and only have to tighten them every 10-hours or so. Without wire or with SS wire the bolts and wire relax enough to let the CHRA shift and destroy itself. I've talked with a lot of people who don't believe I have this problem with the CHRA, TiAL says I'm one of the very few with this problem. I spoke with someone well versed in turbo design (an engineer for a large turbo company) who recommended I copy the Mazdaspeed Miata design (below) which is difficult considering my set-up, but not impossible: I recently acquired Inco CHRA/turbine bolts and they're going to an EDM shop for safety-wire drilling, hopefully this will fix the problem. Does anyone else have experience with this or a recommendation? Quote Link to comment Share on other sites More sharing options...
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