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I have a modified 360. with a mild cam,full length headers and an after market intake and throttle body. Fuel injectors are stock so is the compression ratio.
OK, the truck doesn't run cosistently, it runs rough one second then smooths out for a while. It stutters and spits it also pops [backfires]through the throttle body too. sometimes very strongly. this is a lightly modified 360 and it has non stock fuel injectors on it. aftermarket headers,intake, and air cleaner. A mild cam also. I think it may be one or more fuel injectors but I don't have any experience with them just carbs. can anyone help?