WRX wheels on my 96 outback, question about ECU/suspension/etc

mxpunk · 01-28-2007, 08:19 PM

I picked up a set of stock WRX wheels for my 1996 Impreza Outback, which has 14 inch wheels stock. My dad said using the bigger wheels could cause the car to throw a code and mess up the suspension and handling and possibly the safety of the car.

I told him that i've seen many people with wagons using WRX wheels. My relatives WRX has 17 inch rims on it and he doesnt have any problems with it.

Can anyone fill me in on this? Am I going to have any problems with rubbing or anything else?

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bl_easy · 01-28-2007, 09:08 PM

THat is an untruthitude

mxpunk · 01-28-2007, 09:14 PM

So will I have anymore problems then?

Hawk296 · 01-28-2007, 09:16 PM

speedo might be a bit off if the tire diameter isnt the same. But thats about it.

mxpunk · 01-28-2007, 09:38 PM

stock 14's

wrx = 16

how off would the speedo be?

waktasz · 01-28-2007, 09:56 PM

How big is the TIRE!! Compare the TIRE size.

Use the TIRE SIZE calculator seen HERE.

http://www.miata.net/garage/tirecalc.html

mxpunk · 01-29-2007, 05:00 PM

well i killed 2 of my tires last night, im gonna put my wrx rims on now but im waiting on 1 tire until tomorrow for the new rims

would it hurt my car if i put the 2 16' inch rims on the front and left the 2 14' in the back? i know it sounds stupid but i need my car to get to work and id rather not drive on a donut, but if its going to damage anything ill use the donut

DrD · 01-29-2007, 05:27 PM

What are the tire sizes on the two wheels? Use the calculator above and see how big a difference there is (will also tell you if the speedo is going to be off)

mxpunk · 01-29-2007, 05:41 PM

The calculater doesnt work on any of my computers

the original tires are P185/70R14

the wrx are stock P205/55R16's or whatever they may be

DrD · 01-29-2007, 10:08 PM

185/70-14
sidewall - 5.1in
radius 12.1 in
diameter 24.2 in
circumf 76.0 in
revs/mi 834

205/55-16
sidewall 4.4in
radius 12.4 in
diameter 24.9 in
circumf 78.2 in
revs/mi 811

speedometer is going to read 2.8% slow with the new wheels/tires

You could probably get away with it for a little while with no ill effects, but I wouldn't recommend it - it could be hard on the center differential

mxpunk · 01-29-2007, 10:29 PM

thanks DrD, i decided to hold off and my father agreed to let me use his car for the day

GFimpreza · 01-29-2007, 10:30 PM

If you want better gearing later, you can always go with 205/50/16's.

Boxologist · 01-30-2007, 12:23 AM

Quote:

Originally Posted by mxpunk

I picked up a set of stock WRX wheels for my 1996 Impreza Outback, which has 14 inch wheels stock. My dad said using the bigger wheels could cause the car to throw a code and mess up the suspension and handling and possibly the safety of the car.

give ur old man a good throat chop to insure that he never lies to u again.

mxpunk · 01-30-2007, 08:20 AM

Quote:

Originally Posted by Boxologist

give ur old man a good throat chop to insure that he never lies to u again.

naa, hes just looking out for me

gotta' set em straight once in awhile though (respectfully) lol

01-28-2007, 08:19 PM	#1
mxpunk Scooby Specialist Member#: 132130 Join Date: Nov 2006 Chapter/Region: TXIC Location: NJ/CA/TX Vehicle: 2002 Ford F-150 Graphite Gray	WRX wheels on my 96 outback, question about ECU/suspension/etc I picked up a set of stock WRX wheels for my 1996 Impreza Outback, which has 14 inch wheels stock. My dad said using the bigger wheels could cause the car to throw a code and mess up the suspension and handling and possibly the safety of the car. I told him that i've seen many people with wagons using WRX wheels. My relatives WRX has 17 inch rims on it and he doesnt have any problems with it. Can anyone fill me in on this? Am I going to have any problems with rubbing or anything else? * Registered users of the site do not see these ads.

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01-28-2007, 09:08 PM	#2
bl_easy Scooby Specialist Member#: 91407 Join Date: Jul 2005 Chapter/Region: South East Location: the souf Vehicle: 1997 OBS/93 WRX, RIP 1996 OBS turned RHD GF8	THat is an untruthitude

01-28-2007, 09:14 PM	#3
mxpunk Scooby Specialist Member#: 132130 Join Date: Nov 2006 Chapter/Region: TXIC Location: NJ/CA/TX Vehicle: 2002 Ford F-150 Graphite Gray	So will I have anymore problems then?

01-28-2007, 09:16 PM	#4
Hawk296 Scooby Specialist Member#: 14555 Join Date: Jan 2002 Chapter/Region: MWSOC Location: Troy, MI Vehicle: 1995 L (Apex Tiger) Battle Ready Baja	speedo might be a bit off if the tire diameter isnt the same. But thats about it.

01-28-2007, 09:38 PM	#5
mxpunk Scooby Specialist Member#: 132130 Join Date: Nov 2006 Chapter/Region: TXIC Location: NJ/CA/TX Vehicle: 2002 Ford F-150 Graphite Gray	stock 14's wrx = 16 how off would the speedo be?

01-28-2007, 09:56 PM	#6
waktasz Scooby Guru Member#: 86356 Join Date: May 2005 Chapter/Region: Tri-State	How big is the TIRE!! Compare the TIRE size. Use the TIRE SIZE calculator seen HERE. http://www.miata.net/garage/tirecalc.html

01-29-2007, 05:00 PM	#7
mxpunk Scooby Specialist Member#: 132130 Join Date: Nov 2006 Chapter/Region: TXIC Location: NJ/CA/TX Vehicle: 2002 Ford F-150 Graphite Gray	well i killed 2 of my tires last night, im gonna put my wrx rims on now but im waiting on 1 tire until tomorrow for the new rims would it hurt my car if i put the 2 16' inch rims on the front and left the 2 14' in the back? i know it sounds stupid but i need my car to get to work and id rather not drive on a donut, but if its going to damage anything ill use the donut

01-29-2007, 05:27 PM	#8
DrD Scooby Guru Member#: 22412 Join Date: Aug 2002 Chapter/Region: SWIC Location: Albuquerque, NM Vehicle: 2012 Legacy 2.5GT Ice Silver Metallic	What are the tire sizes on the two wheels? Use the calculator above and see how big a difference there is (will also tell you if the speedo is going to be off)

01-29-2007, 05:41 PM	#9
mxpunk Scooby Specialist Member#: 132130 Join Date: Nov 2006 Chapter/Region: TXIC Location: NJ/CA/TX Vehicle: 2002 Ford F-150 Graphite Gray	The calculater doesnt work on any of my computers the original tires are P185/70R14 the wrx are stock P205/55R16's or whatever they may be

01-29-2007, 10:08 PM	#10
DrD Scooby Guru Member#: 22412 Join Date: Aug 2002 Chapter/Region: SWIC Location: Albuquerque, NM Vehicle: 2012 Legacy 2.5GT Ice Silver Metallic	185/70-14 sidewall - 5.1in radius 12.1 in diameter 24.2 in circumf 76.0 in revs/mi 834 205/55-16 sidewall 4.4in radius 12.4 in diameter 24.9 in circumf 78.2 in revs/mi 811 speedometer is going to read 2.8% slow with the new wheels/tires You could probably get away with it for a little while with no ill effects, but I wouldn't recommend it - it could be hard on the center differential

01-29-2007, 10:29 PM	#11
mxpunk Scooby Specialist Member#: 132130 Join Date: Nov 2006 Chapter/Region: TXIC Location: NJ/CA/TX Vehicle: 2002 Ford F-150 Graphite Gray	thanks DrD, i decided to hold off and my father agreed to let me use his car for the day

01-29-2007, 10:30 PM	#12
GFimpreza Scooby Newbie Member#: 40674 Join Date: Jul 2003 Chapter/Region: SCIC Location: Los Angeles Vehicle: 94 Impreza wagon 1.8L + 657cc's	If you want better gearing later, you can always go with 205/50/16's.