Are performance TD5 intercoolers worth it?
	
	
		
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				Originally Posted by 
twr7cx
				
			 
			It might be worth reviewing your tune. I have a D2a with 280k km on it, TurboTecnics VNT, larger intercooler, high flow 2.5" exhaust, it's pushing 33" tyres with the roof rack, bull bar, winch and everything else that weighs it down and I really really really would have to work to be able to hit 750*C EGT. It's tuned by Jose from Td5Inside, he's adjusted the tune twice for me to get it where it should be.
An intercooler is part of the solution but likely your tune is the cause of the high EGT.
That is rubbish as there is no way for the vehicle to sense the power output. It doesn't have a built in dyno or anything in it. Perhaps the issue arrises once the engine power output starts to get to this level, but it's not due to a certain amount of power - it's more likely due to one of the sensors going beyond it's reading range - e.g. too much airflow through the MAF (a good ECU tuner can compensate for this otherwise there is electronic trickery available which is an ok alternative, but not as good).
I'm running the original automatic transmission in mine at 280k km with all the performance mods, extra weight and larger tyres to turn. I've upgraded to an Ashcroft HD Torque Converter, regularly serviced it with good oil and fitted a secondary oil cooler.
			
		
	 
 I’m really not sure, I was just relating what I read on the TD5Inside website!
I bought my ECU 2nd hand from a fellow forumite who put it in with his nanocom (prior to getting my own). It only cost me about $200. All I know about it is that it’s a TRS remap. I had thought about getting a nnn ECU and trying a TD5Inside remap, just not sure if it’s $800 or so well spent (ie am I going to benefit by doing this or do I then have a car that drives exactly the same but I’m $800 poorer).