You might want to send them off to Joe Curto for rebuilding. If you haven’t had the carbs rebuilt recently, Seals (especially the throttle shaft seals, primary and secondary Vacuum leaks are the worst offenders - check all the hoses and What I can suggest is that youīe absolutely certain that everything else in the car is workingĪnd adjusted properly before attempting to tweak the carbs. The moral of the story is… save the money - there is no realīenefit to the exhaust gas analyzer. The same amount of time (maybe less) and saved about $1,000. Settings I would have achieved by using Ray Livingstons method ofĪdjusting the carbs (check the archives). The car runs great !!!īUT… at the end-of-the-day I wound up with the same exact However, it took far longer than 3 minutes. This location stabilized the readings and allowed me toĪdjust the ZS Carbs to the ‘perfect’ stochiometric ratio(s). So… I had bungs welded into the downpipes about 6-8 inchesĭownstream of the exhaust manifold so I could insert the probe Take the readings was just downstream of the exhaust manifold. In my brand-new stainless steel exhaust system I called the Into the tailpipes, was that the readings were erratic and low The first problem IĮncountered was that the readings, taken by inserting the probe I purchased a rather expensive exhaust gas analyzer (don’t remember So far, I have found theĬolortune to be the most helpful for fine tuning the mixture… So far be it from me to stop someone from adding a fun tool theirĪrsenal… but don’t expect miracles. I won’t give up on it, I replaced my coil recently and that may
#GUNSONS GASTESTER PROFESSIONAL MANUAL MANUALS#
Pretty much your own guess, since the Jaguar manuals don’t give aįigure and the GasTester says to look there… Have not found that when I set the CO where I figure it should be Third carb is done that it’s still getting the same reading. Value seems to wander a lot, and so you can’t be sure when the That said, I don’t find it that much help tuning the carbs. Than $200 direct from Gunston, you might google Gunston and see. I have a GasTester (not ‘‘Pro’’), but I thought it cost a lot less The original message included these comments: Its in the Jaguar related items on the classic Jaguar page. Would be available from someone maybe even on the website. Problem is the seller has lost the instructions but I’m sure they There is one of these items on ebay in the UK at the moment, only In reply to a message from Doug Martin sent Tue : “If you are not living on the edge, well then, While adjusting the carbs so a hand held probe may not work very Garagemahals? Obviously I would want to be able to read a meter
#GUNSONS GASTESTER PROFESSIONAL MANUAL PRO#
Is the Pro worth it ? Is thereĪ better unit for less money that you ‘‘top tuners’’ have in your I see that a new Gunson Gastester is available for $200 on eBay,Īnd the Pro model is another $60.00. I’m considering buying my own exhaust gas analyzer. Gas analyzer and adjust the mixtures spot on in less than 3 minutes I have never tried it on my V-12, might be a long job.On 4/26/05, Doug Martin wrote:Īfter watching my mechanic put my E-Car on his expensive exhaust Time consuming because you have to move the device from one cyl to the See that they are balanced and ALL cylinders are the same color. It is very handy if you have multiple carbs because you can That allows you to see the color of the igniting fuel in eachĬylinder. This British made device is still available, but it is a quartz window I get perfect results every time using a Colortune.
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