Nah, get a larger intercooler to cool the pre-charged air. I know Lardy took the P out of the link, but that site is great for explaining how things work in terms suitable for anyone. and when you get to the later pages, they discuss some of the putfalls and returns for mods.A turbo is a "Forced Air Induction System" the exhaust spins a turbine that in turn runs an air pump on the inlet side. IMHO I agree with Lardy about the intercooler, but think that a K&N on a turbo is really going to give an insignificant improvement.Saying that, at least the K&N mod is only ~£40.... Or, if you are not likely to go offroad, I have a K&N cone filter here too that fits sweet on the end of a TJ air tube (I guess the cherry is the same) that I bought before fitting my panel K&N in my N/A 4l. You can have it for £15 + postage (What I paid). And it gives you a lovely induction noise EE
turbo,s dont suck air they reburn exaust gasses. superchargers suck air and force it at pressure into the throttle body. i think the k and n will make a small improvement at least.
Basically a turbo is a supercharger which is driven by the waste energy generated by ejecting the exhaust gases from the engine, making it a very efficient way of improving performance. Most turbodiesels use exhaust gas recurculation which recycles some exhahst gas into the inlet in cruising conditions in order to reduce emissions. An intercooler cools the compressed air exiting the turbo before it enters the engine, giving a more dense charge of air, and more power than if it came hot straight out of the turbo.The 2.5 KJ produces maximum usable power between 2 and 3000 RPM so can be a bit slow on the uptake. The 2.8 KJ has a variable geometry turbo, which eliminated turbo lag by behaving like a small turbo at low engine RPM, and by tilting the angle of the vanes inside, reverting to full capacity at higher speeds.
Quote from: "Mike Pavelin"Basically a turbo is a supercharger which is driven by the waste energy generated by ejecting the exhaust gases from the engine, making it a very efficient way of improving performance. Most turbodiesels use exhaust gas recurculation which recycles some exhahst gas into the inlet in cruising conditions in order to reduce emissions. An intercooler cools the compressed air exiting the turbo before it enters the engine, giving a more dense charge of air, and more power than if it came hot straight out of the turbo.The 2.5 KJ produces maximum usable power between 2 and 3000 RPM so can be a bit slow on the uptake. The 2.8 KJ has a variable geometry turbo, which eliminated turbo lag by behaving like a small turbo at low engine RPM, and by tilting the angle of the vanes inside, reverting to full capacity at higher speeds.mike ,your a wis with info,remapping so help flat spot a little
