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Hello everyone,

what is the relation between boost & bhp/torque

ie if the boost is increased by 1psi how much BHP/TORQUE extra do you get

Paul
 

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But I think that depends on 'all other things staying the same'

Obviously this is unlikely, for example intake temp., so there are many variables to consider.
 

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Well I ran boosts of up to 1.6 bar with no other mods and never had any probs apart from wrecking the turbos...lol. But unless you run WOT all the time, in normal road use, you will probably never encounter variables which cause problems. Only time I encountered a problem was my standard intercooler overheating and this caused the engine temperature to start to rise as the radiator was getting hot air from the intercooler...this was on a race track and on a hot day. These are purely my own observations on what I have done.
 
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