I shouldn't have to change over to a carburetor unless I want more performance. The cross fire is a wet manifold design so already kinda like a carburetor system. Installing a better management system from anyone that makes aftermarket EFI would get me better parameters and the ability to lean burn. When I started the car was getting around 16 mpg average. The temp sensor for the coolant was toast as well as the wiring. Bad tps and map sensors replaced and I installed a 3 wire O2 sensor and bumped up the tire pressure a little bit now am around 22 MPG average. I like the TBI system on it cause it's just different and replacement of the ECU should help a lot but just in case I do have 2 tuned port setups setting in the garage.
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