Quote:
Originally Posted by Sileighty_85
Main reason ppl blow them up is from poor preventive maint and dumb fucks slapping on bigger turbos and trying to tune it with an SAFC and higer fuel pressure.
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That.
But it is also down to how serious the engine builder is, and how much money you throw at it.
These is no secret, 200HP+/L engines need tight tolerances everywhere, which means checking everything during the build. That means using plastigauge to get the correct bearing thickness and not just the stamped number, that means machining when anything is out of round or not perfectly flat. It takes quite some time and money. It also means not cheaping out on gaskets, pumps or even bolts, and cleaning everything (oil galleries easily get clogged on SR20s, destroying the head, for example)
This holds true for any engine.
Now, a built SR20DET will do 400WHP anytime, reliably. I know some that have been putting that and more for 3+ years.
The gearbox wont though, so time to get some Z33 gearbox conversion. This will cost as much as building the engine though.