Hi. Yes go for new radiator buy from mitsubishi will cost you a bit more .My first radiator was an import out off (china) cost me the second head Fit water temp gauge top radiator hose I fitted my egt gauge just after turbo can fit before turbo just keep temp under 600c and i had no more cracked ...

Having cracked two 4m40 heads this is what i did to solve the problem 1 Replace radiator. Only last appox 10 years 2 Fit E.G.T gauge do not go over 600c 3 Fit water temperature gauge,standard gauge does not tell you that the engine is overheating until it is to late.Temp should run between 75 an ...

tell me about it mate, I cant find anything on them at all.
keep in touch if you come up with any usefull information!

Seems my truck just had a new thermpstat before the water pump shat itself

Hey fish, Let me know mate. Yeh unfortunately I missed the temp gauge for just a little to long. Im going to do a dump pipe also and exhaust upgrade, Were are you going to get yours done? Also going to git EGT gauge and a better water temp gauge, with a warning light and alarm! have you done any ...

thanks Zukmiesta, Has any one built or got a exhaust upgrade on a challenger? did it help much with egt. Im to used to petrol v8's and drive the challenger like i would the V8.. hence the cooked head. Lesson learnt. No im wanting to do all I can to avoid a repeat

Ok cool thanks for the advice, any places recommended for exhaust upgrade? I'm based in upper harbor West Auckland, Also where can i get a good EGT gauge from..

Any one mounted one on a 4m40? in the manifold? or after the turbo? sorry for all the questions

Mods- please feel free to move this if ive posted in the wrong section!

Hi Guys ive been signed up here on the forum for over 2 years, and this is my first post!!! Ive cracked the head o newly purchased 1997 Mitsubishi Challenger. Luckily I can sauce a cheap new head complete. ITs currently at North shore diesels being repaird. My Question is, what can i do to stop this ...