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Originally Posted by MrSelfDestruct
I have, and every time it was because the boost was turned up too high on a cold day and it blew after running lean.
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A lot of people take the car for more than it is. One of the biggest problem with using a boost controller on a WRX with the stock TD04 is that it is running at almost its maximum efficiency (FHI's engineers did a good job picking that turbo, that is probably why they design cars) and when they are asked to do more (18-20 psi) the have a tendency to spike in pressure. This "overboosting" (sometimes up to 25psi) is what destroys a lot of motors.
The temptation of cheap power is too much for people. I wonder if the people who claim the magic of cranking the boost on stock cars ever considered why it just didn't come that way from the factory.
Not to hijack the thread, another big cause of blown motors in these cars is bad gas. There have been several in cali. that have gone already because of the 91 octane out there.
edit: I just read my post and want to add that I drive a GDA and love the car. I just don't like when people (in general, not your friend) take "AWD rally car" to mean cheap dragster.