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#14: 02-08-2010, 08:03 AM
JoeFromPA's Avatar
Title: Burning Monkey
Location: West Chester, PA
Car: 2015 m3, 2008 BMW 535xit
Posts: 3,853
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NSFW - I think enough guys on here have been running well-tuned cars at 350-400whp to show that stock pistons blowing at 270whp are more likely due to the tuning.

I've shown myself to be a worry-wart, and all I can say is that I find it extremely unlikely that stock pistons on a stock car in a good state of tune running 92 or 93 octane....well, I think they are fairly safe. I'm going to switch back to a OEM air filter (from AVO) to not push my luck.

And, to your point, the stock pistons + a reliable aftermarket turbo + an opened up downpipe (to help the compressor remain stable + a nice conservative and rich tune = a long-life, reliable LGT. In my mind at least.