TheRecklessEngineer Posted April 24, 2009 Author Share Posted April 24, 2009 Well, ok. I'll run an experiment. Being MS'ed I can keep track of the intake temperature etc. I'll try with an induction filter straight onto the plenum, and i'll try with a bit of pipework to get some cold air from outside the engine bay. I'll also check the difference sat at idle and when moving. This is of course when I've finished it. Quote Link to comment Share on other sites More sharing options...
Aragorn Posted April 24, 2009 Share Posted April 24, 2009 in my old nova i rigged up a temp sensor in the intake for curiosities sake. The nova had been fitting with a larger engine from a corsa gsi and had an open cone filter in the engine bay. Under normal driving, the air temp flowing into the intake was at ambient temp, and even at relatively low speeds didnt really climb much. The highest temp i ever saw was sitting at a set of traffic lights on a hot summers day in town, where it reached 50c, but quickly droped back to ambient once i started moving again. I dont think you'll notice THAT much of a difference in all honesty, and its certainly not worth hugely extending the length of the intake just to get it closer to some cold air! Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted April 24, 2009 Share Posted April 24, 2009 this is with a V8 though.... I've seen well over 50C in the engine bay on my MS IAT sender, and that wasn't working it hard, merely idling whilst setting up.... Quote Link to comment Share on other sites More sharing options...
jacks906 Posted April 24, 2009 Share Posted April 24, 2009 this is with a V8 though.... I've seen well over 50C in the engine bay on my MS IAT sender, and that wasn't working it hard, merely idling whilst setting up.... can confirm that my mates v8 get very warm under bonnet its better to warm your hands on his bonnet in the winter than on the fire dave Quote Link to comment Share on other sites More sharing options...
Aragorn Posted April 24, 2009 Share Posted April 24, 2009 ye i realise i'm comparing a 1.6 I4 with a 4L V8 but the bit i wanted to point out was that as soon as i started moving the temperature dropped very quickly... And seen as your generally not too worried about maximum air density and maximum power while stationary i dont think its a big problem! Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted April 27, 2009 Share Posted April 27, 2009 Test under bonnet temps a bit yesterday, ambling round a field, playing a bit, but nothing too strenuous -75C Pretty stock 3.9.... Quote Link to comment Share on other sites More sharing options...
q-rover Posted April 27, 2009 Share Posted April 27, 2009 That's cold. Did you notice improved performance? Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted April 27, 2009 Share Posted April 27, 2009 Umm, that was a hyphen, not a minus sigh It ran a lot better when I moved it back to where it should have been so MS wasn't getting confused Quote Link to comment Share on other sites More sharing options...
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