Rwd?????? - Subaru WRX Forum
 
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post #1 of 13 Old 12-09-2007, 11:54 PM Thread Starter
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Rwd??????

Ok dont laugh lol, i have an 03 wrx and there are no AWD dyno's around where i live, well what i wanted to do is take it to this dyno i know and once i got there i was going to take take out the roll pins on my front axles that go to my tranny and just take them off the tranny and let them hang while i dyno tune my car will this work????
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post #2 of 13 Old 12-10-2007, 12:52 AM
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Dont Do It!!!!!!
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post #3 of 13 Old 12-10-2007, 12:53 AM
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I have heard of people doing it before. I dunno what kind of affects it would have though.

Robby
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I defected to an evo :)
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post #4 of 13 Old 12-10-2007, 12:57 AM Thread Starter
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Dont Do It!!!!!!
why you say that for what would happen if i do this
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post #5 of 13 Old 12-10-2007, 07:24 AM
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a. you'll probably break something
b. you wont get an accurate reading in wich there will be more overall power to the rear
wheels as there would be across 4..
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post #6 of 13 Old 12-10-2007, 12:11 PM Thread Starter
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Originally Posted by IH8PVMNT View Post
a. you'll probably break something
b. you wont get an accurate reading in wich there will be more overall power to the rear
wheels as there would be across 4..
i dont see what i would break, in the latest magazine of Subie Sport they said you could do this and some people do this to drift, all i want to do is just tune it on the dyno i dont care about the hp or tq numbers i just want to be able to hold the dyno at certain speeds so i can tune certain areas of the fuel and timing map
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post #7 of 13 Old 12-10-2007, 02:13 PM
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i dont see what i would break, in the latest magazine of Subie Sport they said you could do this and some people do this to drift, all i want to do is just tune it on the dyno i dont care about the hp or tq numbers i just want to be able to hold the dyno at certain speeds so i can tune certain areas of the fuel and timing map
You might fry your center diff. There is a "plug" that you can use to convert your center diff to send all the torque to the rear and it's only around $100 dollars. i can not find the company that sells them though... Or you can pick up another center diff and spot weld it.
I know what you mean about tuning, however you can road tune it while your friend drives it...

drive = freedom
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post #8 of 13 Old 12-10-2007, 02:34 PM
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Quote:
Originally Posted by b7g View Post
You might fry your center diff. There is a "plug" that you can use to convert your center diff to send all the torque to the rear and it's only around $100 dollars. i can not find the company that sells them though... Or you can pick up another center diff and spot weld it.
This one is way more than 100

http://www.rocketrally.com/website/i...ath=39_174_270

Mike
DTRacing Tuned
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post #9 of 13 Old 12-10-2007, 02:46 PM
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Get a wideband guage and take some readings yourself and send it to somebody like PDX along with some money. They can get pretty close to dyno-tuning results with iterative street pulls and emails.

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post #10 of 13 Old 12-10-2007, 03:28 PM
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+1, much better choice

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post #11 of 13 Old 12-10-2007, 04:45 PM
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Don't do it. You will not get a correct reading, it could screw up your car and if they are tuning it and its only running on the rear tires they cant have it right if your going to run it on all four wheels.
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post #12 of 13 Old 12-10-2007, 05:27 PM
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Why dont you drive it to a tunning shop in illinois? P&L motorsports is real good with wrx's.
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post #13 of 13 Old 12-10-2007, 06:54 PM Thread Starter
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there is one prob with road tuning a car, you can alwasy have a load on your car i can lock this dyno at a certain MPH to tune each fuel and timing block on the maps, it would be impossible to do this on the road unless you find a hill that is very steep and very long, i have tuned over 30 cars and i just want to tune my wrx better than what GRD did in Chicago that place was a joke and a waste of money, im goign to do it this weekend and i will let you guys know how it goes, and if you talking about my car will run different once i make it AWD again there is that much more parasitic load doing this
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