Quote:
Originally Posted by FiShNc
Thanks for clarifying. So you're running the z1 version, same as your seized one with correct head, ecu, and transmission.
Exhaust will have an affect on mpg but probably not this big.
Are you still running rich even when warmed up? It could be you're never getting to closed loop. That'll make a car run like crap.
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It actually runs better when the engine is cold. When the engine is cold it doesn't jerk/sputter/misfire. When its warm the car jerks randomly while driving. It runs rich all the time or at least it smells like it.
Also I have no CEL. Had one, O2, but fixed it. If I knew how to upload videos to the forum I would show you what its doing. Anyways I'm going to check the TPS and MAP.