F6 UTE - Track Bound EVO III - Member 3,367 Member For: 20y 1m 5d Gender: Male Location: Strapped in and holding on Posted 22/02/05 11:02 AM Share Posted 22/02/05 11:02 AM To simplify, it's like driving your car at night, all the time.. Link to comment Share on other sites More sharing options...
cs123 Member 24 Member For: 20y 6d Posted 22/02/05 11:36 AM Share Posted 22/02/05 11:36 AM so help me out here a bit. If the standard tune limits boost to 6psi where is that measured? Does that mean that the 6psi is turned into say 4psi at the t/b or is it a case of the turbo working harder to make 6psi at the t/b?<{POST_SNAPBACK}>As far as I know, most boost pressures are measured at the plenum, because that's the last place it can be measured b4 it goes into the engine... A turbo may be making 10 psi at the turbo, like you say, it might end up being 6psi at the plenum, but that air is hot.. With heat comes detonation ( also with not enuf fuel comes detonation ) . Add more fuel, raise the boost, off you go. If you can increase the efficiencies along the way, like intercooler and shorter/bigger inlet tract ( pipes ) then the boost at the plenum will be closer to the amount made at the turbo..More turbo boost = more heat = less efficient.Bolt an exhaust on, you will make more boost, because your taking a load off the turbo.. ( backpressure ) Then you wind the turbo boost back down. Still the same boost in the end, but the turbo does less work to get there, and spools up quicker in the process, etc etc..<{POST_SNAPBACK}>Thank you, all received and understood ...Looks like a worthwhile investment then. Link to comment Share on other sites More sharing options...
RAPHOON Donating Members 1,776 Member For: 21y 6m 25d Posted 22/02/05 11:40 AM Share Posted 22/02/05 11:40 AM So, let's find a good source and organise a group buy. Link to comment Share on other sites More sharing options...
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