Lebsteif Posted July 28, 2006 Share Posted July 28, 2006 Hi guys, what will be the best place for the EGT sensor in my supra NA? I found out that via the search that it should be in the turbo housing, but i don;t have that (yet) Thanks, cheers Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted July 28, 2006 Share Posted July 28, 2006 Manifold runner, as near the port as you can get it. On an N/A it's less vital to monitor EGT's, but look who's talking... http://chriswilson.tv/egt_probes.jpg Quote Link to comment Share on other sites More sharing options...
Lebsteif Posted July 28, 2006 Author Share Posted July 28, 2006 Thanks but i only have one sensor Wich exhaust pipe should i pick? 1? 2? 3? 4? 5? 6? Quote Link to comment Share on other sites More sharing options...
paul mac Posted July 28, 2006 Share Posted July 28, 2006 mine is on the manifold on number 6 (at the back) but to be honest i am moving it as i have heard to many horror stories of the thermocouple snapping and destroying the turbo, i am going for a wide band Quote Link to comment Share on other sites More sharing options...
Branners Posted July 29, 2006 Share Posted July 29, 2006 this is one of those discussions that could go on like the UK spec vs Jspec debate. the best place to have an EGT probe is really in number 6 on the manifold, theres no doubt about that. But there are stories of the sensor falling apart and going through the turbo. Some have said the sensor should be changed every year to make sure you avoid this problem but others have run the same sensor for years with no problems. The other place that people mount it is just after the turbo but you have to take around 150degrees out of the maximum and it is never as accurate (some have said its a waste of time having it there). So as you can see theres lots of conflicting stories. I couldnt afford a new turbo if my sensor failed so I accepted that its not mounted in the best place and had it put post turbo. Im also running a wideband but I now feel that an EGT and a wideband together gives the best chance of seeing a problem, but theres only so many guages you can look at. So Im sure that just confuses the matter. I would suggest putting it in number 6 pre-turbo and only going post-turbo if you are paranoid like me. JB Quote Link to comment Share on other sites More sharing options...
Alex Posted July 29, 2006 Share Posted July 29, 2006 He's got an NA in this case...and I just wouldn't bother on an NA. However if he's going NA-T at some point, keep the EGT in the box till you have the new manifold. Quote Link to comment Share on other sites More sharing options...
Lebsteif Posted July 29, 2006 Author Share Posted July 29, 2006 Thanks for the explanation! But when i'm going NA-t i get a different exhaust manifold anyway Offtopic: Branners, does the club got a IBAN/swift code? so i can transfer the 10 pounds to become a club member Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted July 29, 2006 Share Posted July 29, 2006 If you can readily access the number 6 runner put it there, as most engines will overheat on the cylinder furthest from the water pump first. On turbo engines the fear of sensor failure due to heat is easily overcome by running an Inconel sensor. Problem is 99% of the Jap and European aftermarket kits come with a stainles steel probe, for cost reasons, even though a proper race type Inconel probe is not a LOT dearer. If you melt an Inconel probe the fact the molten bits might damage your turbo(s) will be the least of your worries! Quote Link to comment Share on other sites More sharing options...
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