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I really need a custom chip now for my Dually the Mass Air conversion is a success, but now i need a chip. I have the tweecer but i cant get a good base tune and im just getting tired of it. the vast majority of tweecer customers are Stangers using the A9-whatever, Im using a WAY1. it is costing too much time and gas. i need to know who can do a GOOD custom chip.
Do you have access to a wide-band O2 meter so you can datalog the air/fuel ratios? With the air/fuel ratios you can go with a mail order chip, otherwise you'll need to go to a shop that has a dyno so they can get some pulls with the air/fuel ratios, to see how far off the MAF has the truck.