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[jd74c-10]

what problems are you having with the q-jet. they are really good carb's when built and adjusted correct. as far as changing to a different type carb. what smog laws do you have where you live.you need to make sure you don't spend money then not be able to pass the smog check. if you don't have those worries you can adapt just about any carb to your motor, the edelbrock performer is a good trouble free carb. i use them all the time with no problems. on your truck the distributor and carb are both connected to the computer. if you change the carb you should change the distributor to a earlier hei unit and it should work fine. good luck