hey everyone, I am soon going to build an integra turbo motor. I have a couple questions. What engine has the most reliability under turbo boost? would a fully built non-vtec turbo be more reliable then a GSR turbo engine? Also, how long would you expect one of these engines to last under on average, if you were running say 20 pounds of boost?

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it's totally subject to opinion, but if they are both fully built, i don't think either one has a reliability advantage over the other.

 

it depends on tuning. stock computer? ummm, 1 week. hard-core tuning? depends on driver. you could rag the hell out of it in 15,000 miles constantly bouncing off the limiter, or you could be sane like a normal person and get 50,000+ out of it. or you could drive it at 12psi and have a "high boost" setting for fun time. that would help. also, cooling is an issue. but good cooling + great tuning = reliable. mess up either of those and forget it. all too common. and by the way, anything w/ an FMU only for tuning won't be your holy grail of great tuning for long-lasting performance.