I bought my mazda after my other car got TOTAL. A worker purchared the mazda but did not have time to fix it.As all carb mazda owner know the carbs on this motor are junk!!!!.First full rebuilt engine (213k miles)also found the HEAD was bad,(to many head machined & perforation on exhaust port leaked antifreeze solved problem(got a new one).Problem with carb,installed 86 626 intake with MEGASQUIRT ecu controller "WOW"it working GREAT!!!.89 mazdab2200 got 274K no problems.Got new project trying to SUPERCHARGED 2.2. Well today 07/28/2007 finish installing m90 eaton supercharger . I did alot of alumiunm welding & learnig how to in the process. Electrical just do it RIGHT the first time because the second time you will rebuy everything. The fun part start now with tuning the project without blowing it. more later!!!