My car is slower after mods - Page 2 - Toyota Yaris Forums

Yaris Hilton · 07-22-2009, 07:19 AM

Quote:

Originally Posted by eTiMaGo

What I did notice though, and maybe this is related, as I have a basic AFR gauge, at WOT the AFR goes very very rich, if the gauge is to be trusted I would see as rich as 10:1 AFR (on the second run, didn't look the first time around), which would have a negative effect on power output.

Mine, 100% stock, has a chrome exhaust tip. Floor the gas and it turns black inside. Otherwise, it always stays shiny. (Yeah, I wipe the black stuff out.) It happens right at WOT. Keep it backed off just a bit and it won't soot up.

cleong · 07-20-2009, 04:27 PM

At 180km/h I think I'm somewhere between 5000-6000rpm. You must excuse me for not being precise, I was busy trying to keep the car going straight!

Here's how my dynochart looks like:

You can see how it really falls off after 6000rpm. I daren't go back to 4th gear to eke out the last few km/h though. Worried that my pistons would come shooting through the bonnet!

Sabretooth · 07-22-2009, 06:44 AM

Heres a Top Gear look on exactly what your dealing with...

Modded, always doesnt mean faster...
http://videos.streetfire.net/video/T...-22_199640.htm

cleong · 07-22-2009, 10:32 AM

Quote:

Originally Posted by Sabretooth

Heres a Top Gear look on exactly what your dealing with...

Modded, always doesnt mean faster...
http://videos.streetfire.net/video/T...-22_199640.htm

Take-home tips from the video:

1. Good brakes make you slower

2. Good tires make you faster

3. Coilover suspension *might* make you faster

4. Engines with miles need tune-ups to regain their performance

5. Spoilers are useless on FF cars

Perhaps a tune-up is in order, then, since I don't have good brakes, tires or coilovers!

eTiMaGo · 07-22-2009, 11:05 AM

^ good driver would also help

*runs away*

scape · 07-22-2009, 11:43 AM

^ lol

eTiMaGo · 07-22-2009, 02:27 PM

hey I'm French, what can I say? *shrug*

cleong · 07-23-2009, 09:47 AM

No bottle, these frogs

jonismyname · 07-23-2009, 10:17 PM

reminds me of a sunburn in armpits joke...

07-20-2009, 04:27 PM	#2
cleong Parallel Parking Pro View User's Garage Drives: Yaris 1.5 Manual Join Date: Dec 2006 Location: Singapore Posts: 590	At 180km/h I think I'm somewhere between 5000-6000rpm. You must excuse me for not being precise, I was busy trying to keep the car going straight! Here's how my dynochart looks like: You can see how it really falls off after 6000rpm. I daren't go back to 4th gear to eke out the last few km/h though. Worried that my pistons would come shooting through the bonnet! __________________ Leong's NCP91 Toyota Yaris E Hankook V12 Evo 195/55/15 on Buddy Club P1 replicas 15x7 ET +38 Stebel horns, Philips Silvervision turn indicator bulbs TTE Lowering Springs, Camber bolts TRD Blue brake pads Fujitsubo Super Wagolis axleback exhaust DC Sports header

07-22-2009, 06:44 AM	#3
Sabretooth 37HSSV View User's Garage Drives: '11 Mazdaspeed 3 Join Date: Jan 2007 Location: St Cloud FL Posts: 1,395	Heres a Top Gear look on exactly what your dealing with... Modded, always doesnt mean faster... http://videos.streetfire.net/video/T...-22_199640.htm __________________ 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.

07-22-2009, 11:05 AM	#5
eTiMaGo vroom vroom View User's Garage Drives: lil red 5-door Join Date: Sep 2006 Location: Bangkok, Thailand Posts: 7,744	^ good driver would also help runs away __________________ The price of freedom of religion, or of speech, or of the press, is that we must put up with a good deal of rubbish. - Robert Jackson Bye bye 1NZ...

07-22-2009, 02:27 PM	#7
eTiMaGo vroom vroom View User's Garage Drives: lil red 5-door Join Date: Sep 2006 Location: Bangkok, Thailand Posts: 7,744	hey I'm French, what can I say? shrug __________________ The price of freedom of religion, or of speech, or of the press, is that we must put up with a good deal of rubbish. - Robert Jackson Bye bye 1NZ...

07-23-2009, 09:47 AM	#8
cleong Parallel Parking Pro View User's Garage Drives: Yaris 1.5 Manual Join Date: Dec 2006 Location: Singapore Posts: 590	No bottle, these frogs __________________ Leong's NCP91 Toyota Yaris E Hankook V12 Evo 195/55/15 on Buddy Club P1 replicas 15x7 ET +38 Stebel horns, Philips Silvervision turn indicator bulbs TTE Lowering Springs, Camber bolts TRD Blue brake pads Fujitsubo Super Wagolis axleback exhaust DC Sports header

07-22-2009, 11:43 AM	#6
scape View User's Garage Drives: 2007 Yaris Hatchback Join Date: Jul 2007 Location: Beaufort, South Carolina Posts: 388	^ lol

07-23-2009, 10:17 PM	#9
jonismyname Drives: 08 liftback 5spd Join Date: Oct 2008 Location: adirondacks, ny Posts: 220	reminds me of a sunburn in armpits joke...

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