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08-31-2009, 07:03 PM | #1 |
Drives: Toyota yaris 5 door polarwhite Join Date: Aug 2009
Location: Cleveland, OH
Posts: 10
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Does adding TRD stuff from Toyota kill MPG?
I just bought a new yaris and I really want to customize it with Toyota's 18" TRD chrome wheels and the TRD shocks and performence suspension with a whole lotta body kits
My main concern: Is this going to negatively affect fuel economy? And if it does, how much am I going to sacrifice in MPG numbers? I get about 42-43 MPG in mixed driving right now with a 5 door hatchback with the automatic Thanks guys!!! |
08-31-2009, 07:12 PM | #2 |
DARK PHASE OF THE MOON
Drives: 07 liftback Join Date: Apr 2009
Location: the Boondocks, NC
Posts: 993
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Shocks and supension no, big heavy wheels yes. That's really good mpg.
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08-31-2009, 08:10 PM | #3 |
37HSSV
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actually, depending how quickly you corner...its possible to increase your handling with better suspension. Less slowing down results in less needed acceleration to reach a desirable speed.
Other than that, bigger and wider rims/tires will kill your mpg...best I have measured with my car is about 38mpg, thats with 7 inch wide rims, with a 205 wide tire. If you want to increase your mpg's, a good item to get is a NST 10% underdrive pulley, people have reported increases of 2-3 mpg after install...it all depends on your driving habits.
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07 Toyota Yaris Hatchback -sold- 11 Mazdaspeed 3 -SRI/TIP, 3 inch TBI, Custom FMIC, Tuned by Cobb Accessport, HKS ssq2 BOV, Upgraded HPFP- Clean stock look... Killer performance. |
08-31-2009, 08:46 PM | #4 |
daily driver
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bigger rims will hurt the mpg if you drive a lot of stop and go....highway only, i dont think you'd notice a difference....
shocks/springs wont hurt mpg's unless you drive like a nut after you put them in body kits will likely kill the low coefficient of friction that the yaris has....but likely moreso if you drive lots of highway
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09-01-2009, 03:52 AM | #5 |
that's right I went there
Drives: '08 Blazin' Blue,'10 Dark Red Join Date: Oct 2008
Location: Hoytville, ohio
Posts: 800
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I hav'nt noticed any mpg change with my TRD axle-back or the drop-in for that matter, the sway bar now that's a different story/section in and of itself.
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Mods: 15" SSC rims, TRD Exhaust, TRD Sway bar, TRD oil filler, TRD rad. cap, TYC tails, Debadged, Painted engine cover, Stock spoiler, Stock mud gaurds, OBX pedals. suggestions always welcome |
09-01-2009, 01:00 PM | #6 |
Audio Junky
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I keep getting tempted by the Underdrive pulley... I would love to have a few more mpg's... maybe boost me over 50... but at the same time, I believe that pulley would reduce the amount of current my alt would produce at idle... and i'm not a huge fan of that. I do run one 160watt amp right now.. and in the future will have two amps for a total of 450watts, or approx 50-60amps of draw depending on music type and volume level.
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09-01-2009, 03:26 PM | #7 |
Drives: Polar White 2008, 3Dr HB TRD ' Join Date: Mar 2009
Location: Corona CA
Posts: 403
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Yariswhite09, I have a 08 Liftback with TRD 18's, TRD Cold Air Intake, TRD Lowering Springs, Shocks & SwayBar (All TRD) ''with an AUTO TRANS'' Results = 41MPG
This is combined, stop-n-go & freeway traffic |
09-01-2009, 05:33 PM | #8 |
Drives: yaris Join Date: Sep 2009
Location: West LA
Posts: 161
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Just like what they say... bigger wheel = somewhat bad mpg. Although I gotta say it's hard to notice. And obviously the stiffer suspension the less comfortable ride hahaha
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