Originally Posted by
Chip
the shafts are more capable of withstanding surge/chatter when you back off (dump valve for the GT30 solves this problem)
GT30 are a great turbo, but as a "direct swap" for a T34 which may not have an oil filter or a dump valve on it, its not a good idea.
So its not a myth that chatter kills GT turbos?
A few people have told me that running without a DV on a T34 is fine but on a GT turbo it will desroy it.