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Old 02-20-2001, 08:06 PM   #1
SuBaRu-ImPrEzA_RS
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Location: Piney Flats, TN U.S.A.
Question running my car in FWD

i read everything in the owners manual about the FWD thing...i tried it for a few minutes..it was cool..

ok, now...how LONG is a safe period of time to drive your car in FWD??

no, im not trying to make it a honduh or anything...just testing it..

i don't wanna hear search this, or search that either

i did all the searches and none answer HOW LONG it is safe to run like this...

~~PeAcE~~ John
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Old 02-20-2001, 08:42 PM   #2
sspriest
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05 MINI Cooper Chili Red

Post

Idid the same thing once just to try it and another because I had the spare on the rear.
I put about 20 miles or less on it with the spare and by the time I got to the tire shop I swear there was some sort of weird noise coming from the rear. Got the tire fixed pulled the fuse and have not heard the noise since. But that is just my experience.
Personaly after that I wouldn't mess around with it unless I had to again.
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Old 02-21-2001, 03:57 AM   #3
SuBaRu-ImPrEzA_RS
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bump......i know im not the only person to do this..

~~PeAcE~~ john
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Old 02-21-2001, 04:17 AM   #4
hacman
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I guess I should read my manual. I didn't konw we could do this!

So then, can we run RWD too?
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Old 02-21-2001, 04:54 AM   #5
LUME
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Dirt and Bird Poop

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sspriest,

Remember, you have an LSD in the rear. So if your spare and your normal wheels/tires where significantly different in size (if you have AM wheels), then you could've damaged the rear diff.

--RD
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Old 02-21-2001, 05:50 AM   #6
ImprezedRS
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Only the automatics can switch to FWD and i have done this my self but for a short period of time to get me home after a flat.
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Old 02-21-2001, 02:35 PM   #7
SuBaRu-ImPrEzA_RS
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im happy that everyone is sharing their story about doing this...anyone have an answer to my question yet??

~~PeAcE~~ John
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Old 02-21-2001, 04:14 PM   #8
MichiganRS
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Well I have a video It is serious 4s and rotaries and they show a RWD impreza and the guy said he set it up so he just pulls a relay out. Well I figure its the same sort of setup as a fuse. If you get the video ro email the magazine "serious fours" in au. maybe they can put you in contact. The reason he did this was to do RWD burnouts and to tune it on the dyno at the shop he owns. Sorry I don't have specifics. Another thinig you can do is call subaru r&d in Ann Arbor Michigan I am sure they have someone who could tell you a better answer than a dealer tech.
John
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Old 02-21-2001, 06:06 PM   #9
micah
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Unfortunately on a US-spec automatic Sube* the hardware will allow for anything from 100/0 (F/R) to 50/50 (F/R)= full lock. No software change, fuse, etc is going to let you go to 100 R.

Jap spec (and Euro spec, I assume) cars have different hardware.

cheers
mbs
'92 svx 4EAT

*Pre-2001. I don't know a whole lot about the new trannies with VDC etcetera.
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Old 02-21-2001, 06:43 PM   #10
sspriest
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The tire that was on the back was the stock spare, so if there is any damage I would assume that it is Subaurs problem, I did what the owners manual said to do.
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Old 02-21-2001, 06:52 PM   #11
Foxbat
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Owner's manual also dictates the top speed you can travel when using spare tire.
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Old 02-22-2001, 07:54 AM   #12
SuBaRu-ImPrEzA_RS
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bump...
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Old 02-22-2001, 08:02 AM   #13
brianc
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How do you get FW drive?
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Old 02-22-2001, 08:43 AM   #14
micah
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>> im happy that everyone is sharing their story about doing this...anyone have an answer to my question yet?? <<

SuBaRu-ImPrEzA_RS... You're not going to get a definitive answer because there isn't one. It's not great for the car, period. How long can you do it? A guy on the SVX list drove with a Legacy 4EAT in his car, in FWD mode, for a year and his car didn't blow up or anything. As long as the back wheels are still turning it shouldn't be a big deal.

As we know even with the fuse in nobody should tow, or go on a two wheel dyno. If two wheels are rolling and two aren't, regardless of the fuse, you will screw up the transmission.

Patience grasshopper. This is a forum for sharing information, most of it anecdotal.

cheers
mbs
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