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Figured myself a few times, just to find out how close the computer average was... it was off a little, but not a lot. (something like 5% less actual) so I just trust the computer now.
trust the computer or go figure myself?
what do you guys do?
Im sorry im not trying to thread crap but by looking at your avatar pic im not worried about your mpg as much as the mpg of the pizza delivery guy as he hauls @ss away from your house if you answer the door like you are in your avatar pic....nice gear bro
From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
I measured mine on my 85 once, it was reading 21 mpg, the pump calculated to 22. So, that's about 5% low. Depends on lots of things though, tires, how many times you top off, etc. Assuming your fuel pressure an injectors are stock anyways.
I only monitor mine with the readout, to check that the system is still in good tune. And it gives me something to do on a long trip, playing with the "star wars" panle.