Weird it is suppose to go up with an more effective intake.

 

I let the meter settle for 10 minutes before taking any photos: cruise control ON, tires at 40 psi cold, windows up, air conditioning OFF, road is flat.

 

thats not right. with that jwt pop charger your engine is getting more air into your engine ,that means more gas is needed for the combustion.

 

Yes, but as mentioned above, the increased airflow increases efficiency. That member noted slightly worse milage in town but much improved milage on the highway. On my G35c and FX35, I resulted in a 1-3 MPG increase on average with intake and plenum; nothing major, but deffinitely there.

 

What type of octane do you use?
87, 89, or 91

 

91 for me

 

91 and 3 days later, it's worse 16.5. and I'm not even flooring it. I guess I'll wait for couple of more days for the ecu to settle in. If it's still bad, then I'll trying resetting it.

edit: it's at 45 mph average.

 

Around town, when are you shifting? Reset the meter and then shift like a granny for 15 minutes. <3k rpms.

 

when i shift 3k in every gear i get about 16..
around town

 

curious, what do you guys get for mpg with FI

 

So i guess i have a hybrid 350Z....


haha j/k i was waiting for sum1 to post this!!! i was on the way back from california (i live in washington) and i coasted down a hill and reset my MPG..

 

Well, whenever you put a mod on your Z you're bound to hit the gas more often for a while just to see the difference it made, even if you don't notice yourself doing it.

 

+1

 

Just to add to the conversation, I reset my meter before making a trip up the outer banks (coast of NC for those that don’t know). Then did the 30 mile trek (all 25, 35, 45 mph zones) I left it in 6th gear the whole time (except for a few stop lights, it was off season). I got a 49 mpg average, that’s the best I have ever seen. Honestly if you guys find any straights that have low speed limits try leaving it in 6th, its got plenty of torque down there! I was a little bored that day lol

 

I've been driving like a granny, shifting at 2.5k and it's at 16.3 @ 42 mph. I'm gonna drive 75miles to LA from SD and I'll see how it goes.

 

END RESULT: I have made a 75 mile drive, and 300ish miles later after the JWT Popcharger install, the ECU seemed to have stabilized. The MPG and the MPH gauge was going up and down like crazy and went down to 13 MPG at one point, but it was false reading. Conclusively, I was granny driving and got 23 MPG average @ 58 MPH on the freeway with sporadic traffic condition.

 

From what I'v heard you guys need a Unichip and a good dyno tune to change the air/fuel map. Talk to Ted at Scott Performance in Santa Clara, Ca. 408-988-2233.