How can I check if my SU carbs are shot?
From: John_E_Werner.Wbst311@xerox.com Subject: SU carbs To: wiegman@orion Herm, First, check that the chokes are hooked up to both SUs. When you pull the choke all the way (i.e. for cold starts), the jet assemblies on both SUs should lower making the mixture much richer. Second, clean the carbs with carb cleaner (i.e. gumout). Third, check to see that the dash pots are full. If not, refill them. I use 3in1 oil for the SUs and ATF for the strombergs. I have also heard some people say that for high performance applications you should leave them empty to get better throttle response. Fourth, check the ignition system. Time spent fiddling with the carbs will do little to solve fouled plugs. Haynes has a very good manual on the SU carbs. If the car makes it up to the Volvo-Net Meet, I can take a shot at tuning it there. BTW: It is quite possible that the SUs will are shot. and need a complete rebuild. Check the needles to make sure they are still round. Also check the jet seats. They should
