Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB
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Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Engine, Exhaust, Transmission (https://www.ft86club.com/forums/forumdisplay.php?f=8)
-   -   K&N Air Filter installed, MPG dropping? (https://www.ft86club.com/forums/showthread.php?t=45758)

Zentec 02-13-2018 11:30 PM
On my 17 86 I have an k&n drop in and nitrogen in tires I run 93octane gas and live in the desert. Crushing on the highway at 72mph I average 44+mpg now in the cool months.

I have found that with these 3 things I increased 9-13mpg depending on temps and driving style. In town I average 25mpg.

Side note I have tested this on wrx, Imprezas, b9 tribeca, and s2ks and have seen increases across the board and no decrease.

Anthonyc77 02-14-2018 12:38 AM
Quote:
Originally Posted by Zentec (Post 3043852)
On my 17 86 I have an k&n drop in and nitrogen in tires I run 93octane gas and live in the desert. Crushing on the highway at 72mph I average 44+mpg now in the cool months.

I have found that with these 3 things I increased 9-13mpg depending on temps and driving style. In town I average 25mpg.

Side note I have tested this on wrx, Imprezas, b9 tribeca, and s2ks and have seen increases across the board and no decrease.
What tire pressure?

Sapphireho 02-14-2018 12:42 AM
Quote:
Originally Posted by Zentec (Post 3043852)
On my 17 86 I have an k&n drop in and nitrogen in tires I run 93octane gas and live in the desert. Crushing on the highway at 72mph I average 44+mpg now in the cool months.

I have found that with these 3 things I increased 9-13mpg depending on temps and driving style. In town I average 25mpg.

Side note I have tested this on wrx, Imprezas, b9 tribeca, and s2ks and have seen increases across the board and no decrease.
And we care because....

Zentec 02-14-2018 01:25 AM
Quote:
Originally Posted by Anthonyc77 (Post 3043895)
What tire pressure?
35psi all around on 225 45/17

mjanmohammad 02-14-2018 01:37 AM
Quote:
Originally Posted by BOND007_LTK (Post 3043838)
I noticed drop of about 1 l/100 which is about I bekieve 2-3 mpg after I installed the drop in. Pretty sure I installed it right. Spent a fair amount of time for full seal and proper box alignment.

Have winter tires vs summer tires and longer trips of highway. Will spray maf cleaner and reset ecu in the summer. Will lyk.
Holy necro bumping a 5 year old thread...

BOND007_LTK 05-09-2018 10:07 PM
Quote:
Originally Posted by BOND007_LTK (Post 3043838)
I noticed drop of about 1 l/100 which is about I bekieve 2-3 mpg after I installed the drop in. Pretty sure I installed it right. Spent a fair amount of time for full seal and proper box alignment.

Have winter tires vs summer tires and longer trips of highway. Will spray maf cleaner and reset ecu in the summer. Will lyk.
So that drop of 1 L/100 km was due to my winter tires because I put my summer back on and I'm getting around 7.7 L/100km average again which was when I have summer tires but not the K&N drop in filter..

IF there is any drop in mileage, it's negligible, maybe 0.3 L/100 km.

*At all times, I calculated mileage using the speed control at different speeds. Don't ask me what those numbers are, I deleted my stats by accident but I'm confident adding the K&N filter doesn't affect mileage much, if at all.

BOND007_LTK 05-09-2018 10:08 PM
Quote:
Originally Posted by Zentec (Post 3043852)
On my 17 86 I have an k&n drop in and nitrogen in tires I run 93octane gas and live in the desert. Crushing on the highway at 72mph I average 44+mpg now in the cool months.

I have found that with these 3 things I increased 9-13mpg depending on temps and driving style. In town I average 25mpg.

Side note I have tested this on wrx, Imprezas, b9 tribeca, and s2ks and have seen increases across the board and no decrease.
Wrong thread buddy. This is mileage with VS without K&N filter. That's the only factor that changes.

Lantanafrs2 05-09-2018 11:13 PM
I wonder how many airboxes aren't sealed properly with "drop in" filters?


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