[Hozer 88GTConv]

I do the trip odometer divided by gallons consumed method. I too use the same station and pump every time, 93 octane.

I have the white speedo gear for my 3.73's which is technically wrong. My 88 t-5 calls for the red gear with 3.73's but it's close.
Still, I only manage 15 mpg or so. I admit my driving habits are what one would call "poor".

I'm interested in replies with guys with 24 # injectors.
I have a "theory" that despite the maf calibration, by default you will consume more fuel due to the increased duty cycle.
This is also despite the adjustable fpr.

Feel free to contradict this....