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96 z26, 3400 throttle body, aftermarket cat, partially 2 1/4 pipe and resonator deleted. CAI turned into short ram intake with cone filter for winter.

just done some calculating today, its been a while since i actually filled my tank. i just got down to half a tank and filled it back up today..

My spedo is out 10 KM so im calculating with 10% less km then my reading. trip reading was 394 KM, actual distance would be 356 KM.

mostly highway but some in town and 90% of the time i was easy on it.

Going by 4.5 L per gallon.. im not sure what it is in the US.
52.3 KM /per gallon
32.5 Miles/per gallon.

Where did you get 4.5 L per gallon?

U.S. Gallons are 3.785 L That will also lower your estimated MPG.

US and CAD gallon are measured different as goes KM and Miles.

356 KM converted to 221.21 miles

26.55 miles/gallon

I like the first way better LOL...

3X00-Modified wrote:

heavywoody wrote:I get about 29 mpg in the Z26. I wouldn't mind a 6th gear.

I gotta fix that tune... Thats just way too good... gotta fatten up part throttle.
http://www.youtube.com/watch?v=BnGGRfIhf0k

I get about 16-18 around town because I do a lot of 1-2mi trips, but got 32 on my last highway trip...including about 90mins in stop and go for 2 miles.

Jon, does OBDII have an option for lean cruise? I enabled mine (disabled from the factory due to emissions) and now at over 50mph and under 30% TPS my AFR is 15.3:1 instead of 14.7. I could probably even go a little leaner without problems.

6th gear would be awesome...except the fact that an F40 is apparently not that great of a trans. I figured the ratios and the F40 would bring rpm down to 2100rpm at 75mph vs 2600rpm in 5th on a 282.