Taggy Posted May 4, 2013 Share Posted May 4, 2013 Whats the best way for me to fit the sensor into the exhaust, does it have to be welded in? Do they come with some kind of fitting bracket which it screws into, i.e so i drill a hole in the exhaust, fit grommit and then weld it in? Quote Link to post Share on other sites
Ryan-11 Posted May 4, 2013 Share Posted May 4, 2013 (edited) Drill a hole and weld in the bung, sorted! also u need to make sure u weld the bung in at the correct angle Edited May 4, 2013 by Ryan-11 Quote Link to post Share on other sites
Taggy Posted May 4, 2013 Author Share Posted May 4, 2013 ah cool, thought it was something like that, i haven't ordered one yet Quote Link to post Share on other sites
Jamie1st Posted May 4, 2013 Share Posted May 4, 2013 If I remember correctly, it's 36'' back from manifold in the exhaust (turbo kills them if you out them closer), and you simpliy cut a hole out, sit the bung in angling just above horizontal, and throw some weld round it. If you check my build there's a picture Quote Link to post Share on other sites
Taggy Posted May 4, 2013 Author Share Posted May 4, 2013 cheers, looking for a good afr but is good value for money, anyone recommend one/? Quote Link to post Share on other sites
Jamie1st Posted May 4, 2013 Share Posted May 4, 2013 I've only ever had dealings with AEM Wideband, I got mine at a steal of a price though which helps!They seem to have gone up in price since I last looked at them online too! Quote Link to post Share on other sites
sd075 Posted May 4, 2013 Share Posted May 4, 2013 I recently had an AEM wideband installed.It has to be about 40CM (as said above, due to heat) from the turbo and at an angle of 10 degrees minimal (facing upwards). Other than that it's quite easy to install. Quote Link to post Share on other sites
triple j Posted May 4, 2013 Share Posted May 4, 2013 Aem is the best of the lot, it must be 36inches from the turbo and the 10degree angle must be down the way to let any moisture thats on the sensor to drip off. Quote Link to post Share on other sites
5T4R7ET N/A Posted May 4, 2013 Share Posted May 4, 2013 http://www.ebay.co.uk/itm/M18-x-1-5-Flush-Fit-Exhaust-Sensor-Nut-Cat-Lambda-Boss-/320665315141?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item4aa9246745 you will need something like this Quote Link to post Share on other sites
Weyro Posted May 4, 2013 Share Posted May 4, 2013 another vote for AEM, i have the analogue gauge, looks good Quote Link to post Share on other sites
pacman Posted May 5, 2013 Share Posted May 5, 2013 So are we talking metric or imperial? 36 inches away from the turbo will be nowhere near the downpipe; it'll be somewhere in the exhaust system. Personally I can't see the problem with the lambda being closer as, and correct me if I'm wrong, the factory lambda probe is right next to the turbo outlet on most aftermarket downpipes. Quote Link to post Share on other sites
Taggy Posted May 5, 2013 Author Share Posted May 5, 2013 Probably due to the bosche sensor being more suceptable to heat damage Quote Link to post Share on other sites
pacman Posted May 5, 2013 Share Posted May 5, 2013 http://www.bosch-motorsport.de/pdf/sensors/lambda/LSU49.pdf That's a bosch pdf. Page 3 gives installation hints and one of these is "Install at a point where the gas is as hot as possible." Bare in mind the maximum temperature that the probe above should reach is 1030°C (which is a post turbo temp, pre turbo would likely be 100/150°C higher) and if you're often running over 1000°C post turbo something else will probably fail before the lambda does. Guess it all depends on the make and model of the probe. Quote Link to post Share on other sites
Weyro Posted May 5, 2013 Share Posted May 5, 2013 i mounted mine just behind where the downpipe connects to the rest of the exhaust, just behind the gearbox Quote Link to post Share on other sites
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