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09-28-2015, 06:33 PM | #37 |
Drives: 2009 Yaris Join Date: Jan 2014
Location: Rigaud, Quebec, Can.
Posts: 357
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Wow, such high tire pressure with no benefit at all from what I'm reading here.
- 205/45R16 - lowered 1.5", 1ZZ TB, 1ZZ intake manifold, header, 2-1/4" SS freeflow exhaust end to end, TRD sway bar. - 26 psi rear, 30 psi front - 65-70 mph = 35-37 mpg - 50-55 mph = 41-43mpg I just drive the car, nothing special!! |
09-28-2015, 06:46 PM | #38 |
Drives: 2007 Toyota Yaris Sedan Join Date: Mar 2013
Location: MA
Posts: 105
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34 psi
41-43 mpg summer 34-38 mpg winter Massachusetts Sent from my iPhone using Tapatalk |
09-28-2015, 10:37 PM | #39 |
Drives: 2010 Blazing Blue 3 Door LB Join Date: Dec 2013
Location: PA
Posts: 70
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Rigaud - you have modded your Yaris which might increase your MPG but the larger heavier tires subtract from your MPG.
My yaris is bone stock with the addition KNN filter and about 100lbs of stereo equipment. Even if increase tire pressure only gave me .1MPG per tank increase Id still do it. My Crosstrek hybrid has active grill shutters and aero wheels which are heavier then standard wheels. Doubt those 2 things combined even provide 1MPG increase but its still something the engineers are thinking of to squeeze every last .1 MPG
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15' - Crosstrek Hybrid ~ Plasma 10' - Yaris 3 Dr LB ~ The Boom Box 06' - RSX Type S ~ H.S. Dream Car 95' - Delsol VTEC ~ The Racecar 12' - Burgman 400 ~ Garage Queen 09' - Agility 125 ~ 80mpg Daily Rider 09' - Metropolitan ~ Weee 14' - Ecosmart Metro ~ Razor |
09-29-2015, 07:00 AM | #40 | |
Drives: 2009 Yaris Join Date: Jan 2014
Location: Rigaud, Quebec, Can.
Posts: 357
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Quote:
By the way, I get lower mpg now then when it was bone stock. Also I didn't ask a question here just observing peoples reasoning!!! |
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09-29-2015, 04:04 PM | #41 |
Drives: '15 Yaris SE 5MT Join Date: Jun 2014
Location: Arizona (USA)
Posts: 1,058
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Doing 37 PSI here currently, and averaging 38 MPG (95% city/in-town driving), but the ride on lower-profile SE 195/60 tires on poorly maintained/constructed roads can be pretty brutal sometimes - and occasionally causes some annoying door-area rattles that don't otherwise manifest themselves on decent roads.
I might try and drop down to 33 PSI soon and see if the ride improves on those rough, jarring in-town Phoenix roads. |
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