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Location:
Brisbane
Registered:
May 2002
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Re: Engine work for more power
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Mon, 29 July 2002 08:51
 
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Almost everything that works on an atmo engine will work on a turbo engine. An engine is simply an air pump; if you can get the air in and the exhaust out faster, it will make more power. It doesn't matter what pressure the inlet charge is at, it will respond just the same!
There are a few exceptions here though. You can't do any exhaust tuning tricks (eg tuned-length extractors) on a turbo engine, because the turbine in the exhaust screws that up. Also, using cams with heaps of overlap is not a good idea for forced-induction setups, as the inlet charge can get forced out the exhaust side during the overlap period (only a problem at low to medium rpm though).
Note that a turbo engine which is modified to breathe better will often see a reduction in boost pressure, in conjunction with more power! Remember, boost is simply a function of the air the engine can't consume...
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