Fly3r wrote:My Mu 3.1t/d is boosting 14psi and cold weather can get to 15psi. I have a boost controller that sits between the turbo and the vacuum thing on the waiste gate. I know of other 2.8's being boosted that high.
The concerns with increasing te boost is:
- make sure that with the increase air you also increase the fuel. otherwise your engine will run lean, and then hot and most likely cook the engine(busted head gasket or something like that)
- From my experience anything over the 14/15 you don't get enough benifit from the higher boost to warrent the extra wear and tear the boost would cause
If you do put one in, make sure you increase the fuel, you can do it with a socket and a screw driver. a way to tell wether you are geting enough fuel is when you have your foot to the floor you stil get a little bit of smoke out the exhaust.
btw I put a disclaimer on this...
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