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03-28-2009, 06:27 AM | #1 |
Drives: Yaris Join Date: Mar 2009
Location: Chicago
Posts: 15
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Best MOD for midrange to lower rpm gain. Neen a little more low end grunt.
YES I SEARCHED
I'm not looking to make my yaris a performance car. Just looking to gain some midrange to lower rpm tq and hp. I just took it on a cross country trip and it did well but on some mountain areas it had some trouble unless it was reving high. Seem all CAI are just gains in the higher rpm close to redline but I hardly ever rev the car that high. Unless someone could suggest a CAI that has proven gains in the lower range that would great. Or any other suggestion if there is any. I'd love for a turbo kit but seems non one makes a kit for it unless you feel like making your own. |
03-28-2009, 07:47 AM | #2 |
Drives: Yaris YR Join Date: Oct 2008
Location: Perth, Australia
Posts: 515
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NST Pulley Kit (Crank, Alt and Water Pulley). Would probably be the best for low-mid range and throughout the rpm range.
If you can only get one pulley, just get the NST 10% Underdrive Pulley if you don't intend to Supercharge later on. Its better for N/A and Turbo applications. Cheers
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Mods: 17x7 ANZ Tazer Wheels with 215/40/17 Marangoni Tyres | AFE Air Intake System | NST Short Shifter Kit | NST Shifter Cable Bushing Kit | NST 10% Underdrive Crank Pulley | Pedders Sports Springs | Custom 2inch Cat-Back Walker Muffler with 2.5inch Xforce Twin Stainless Steel Tip | RS Side Skirts | RS Euro Spoiler | YRX Front Lip Spoiler | TRD Style Front Grill | 12mm Rear Hub Spacers | Ultra Racing 23mm Rear Sway Bar |
03-28-2009, 07:50 AM | #3 | |
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03-28-2009, 09:27 AM | #4 |
What?
Drives: 2007 Yaris LB Join Date: Nov 2008
Location: Safety Harbor, FL
Posts: 1,006
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It's a low-powered 4-cylinder car. If you're driving in the mountains, you will sometimes need to use 4th gear to maintain speed... even 3rd if it's really steep. Things like the pullies and a good header will help, but you won't eliminate that issue.
Removing weight helps, too. |
03-28-2009, 10:19 AM | #5 |
toyota
Drives: 2007 Yaris RS Blazed Join Date: Oct 2006
Location: toronto, canada
Posts: 3,637
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im curious too...just put in my prm intake so far happy with it. but bottom end hp increase will be interesting.
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03-28-2009, 12:06 PM | #6 | |
Your mom goes to college
Drives: 08 Vitz Join Date: Oct 2008
Location: Just chillin' out brah !
Posts: 1,434
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Quote:
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03-28-2009, 08:05 PM | #7 |
Drives: Yaris Join Date: Mar 2009
Location: Chicago
Posts: 15
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Thanks for all the input guys. I'll do some search into the NST 10% pully and maybe a CAI. I wonder if the underdrive pulley effects mpg much?
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03-28-2009, 08:09 PM | #8 | |
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i used to go 80 miles on the first bar, now i go 60 miles |
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03-29-2009, 12:41 AM | #9 |
Drives: Yaris Liftback 2008 Join Date: Mar 2009
Location: SoCal
Posts: 15
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Do you drive it harder now with all these mods? Seems odd those would cost that much of a mileage loss.
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03-29-2009, 03:56 AM | #10 |
Drives: Polar White Yaris HB Join Date: Dec 2008
Location: Honolulu
Posts: 263
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If you really want to feel an enormous difference, change your rims to something lighter. I just changed my rims from the 16lb steelies to Enkei RPF1s. They are 6.5lb lighter a piece or 28lb total rotating weight. Both stopping and braking have been greatly improved. The acceleration gains right off the line are tremendous! Cornering with the additional width rocks. I am pretty sure there is no other upgrade that can do all of that.
Check out tirerack. |
03-29-2009, 10:34 AM | #11 |
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Drives: LB Join Date: Jul 2006
Location: OH
Posts: 7,787
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fuji, winner! Lightweight wheels ftw.
Guys, guys, pulleys net you a few HP tops. They aren't a power mod as much as they are an efficiency mod. Lets get serious here. |
03-29-2009, 10:46 AM | #12 |
Drives: 09 Yaris HB, 08 SR5 Tundra Join Date: Jan 2009
Location: RGV, Texas
Posts: 1,086
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agree with post 10 and 11. the most noticeable difference i've had was when i put my lighter wheels on.
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03-29-2009, 11:51 AM | #13 |
Drives: 08 MM HB Join Date: Oct 2008
Location: U.S.
Posts: 31
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I dont suggest those wheels in your application, as thats over a $800 investment for the rims alone, and you'll likely want new tires. On top of that, in your area of the county, much like mine, you're going to encounter the salty weather, and chewed up roads, especially when you go out in the country hills. I do suggest to pulley first to see if that helps your throttle response for your driving technique and moves the power where you'd like it down lower. As everyone pretty much said though, its just part of the car with the small 4cyl engine, with little torque to work with.
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03-29-2009, 04:35 PM | #14 |
well you can get some nice used rims mine were 4 years old when i got them
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