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Converting to RWD just for Dyno

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Old May 5, 2014 | 11:30 AM
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Converting to RWD just for Dyno

Hey Guys,
I'm hoping to get a few pulls in before more modding comes down the line, and want to compare my setup to a friends so we are looking at hitting a dyno soon. He has already converted to RWD, though I'm not sold on it just yet. To keep everything apples to apples, I'd like to do my pulls on the same dyno on the same day so we can get an accurate comparison not only to before and after our own mods, but also against each other's setup.

I have read the RWD conversion thread, but was curious if there was a way I could quickly convert to RWD for the dyno, (maybe unbolt just the driveshaft?) then bolt it back up that night after the pulls are done. Would that be an option?

Easier said than done? Thoughts? I'd really appreciate the help, thanks gents!
 
Old May 5, 2014 | 11:34 AM
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Hmmmmm, SAD maybe?
 
Old May 5, 2014 | 11:41 AM
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just pull driveshaft. 3 bolts.
 
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Old May 5, 2014 | 11:44 AM
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Originally Posted by prodigymb
just pull driveshaft. 3 bolts.
anything to worry about once it's out or just pull and go?


*waits for pull and prey joke*
 
Old May 5, 2014 | 12:11 PM
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Originally Posted by dkfx
anything to worry about once it's out or just pull and go?


*waits for pull and prey joke*
just pull it out and do the deed
 
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Old May 5, 2014 | 12:33 PM
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It's that simple and no problems..
Just make sure he turns to PSM off.
 
Old May 5, 2014 | 12:39 PM
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why turn the PSM off?
 
Old May 5, 2014 | 12:43 PM
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Originally Posted by dkfx
why turn the PSM off?
The car will "freak out" on the dyno and it will attempt to/will engage the PSM.
 
Old May 5, 2014 | 12:57 PM
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Originally Posted by XLR82XS
The car will "freak out" on the dyno and it will attempt to/will engage the PSM.
Other threads here conflict this statement, in that the FWD is all mechanical thru the viscous coupler. The only ones that is said will freak out are the tip transmissions...
 
Old May 5, 2014 | 01:04 PM
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Turn OFF the PSM and yes convert to RWD... my AWD dyno mob cracked viscous coupling and broke front RHS axle
 
Old May 5, 2014 | 03:50 PM
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Originally Posted by carwash
Other threads here conflict this statement, in that the FWD is all mechanical thru the viscous coupler. The only ones that is said will freak out are the tip transmissions...

I am sorry to say that they must not have ever been on a dyno to make that statement..
I have been on the dyno countless times in Rear only mode and AWD,, It has to be off..
 
Old May 5, 2014 | 08:27 PM
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Ah, I thought you were saying that the psm would go crazy with pulling the front shaft... I understand of course to have psm off while dynoing, that only makes sense.
 
Old May 6, 2014 | 07:25 AM
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Originally Posted by johnspeed
I am sorry to say that they must not have ever been on a dyno to make that statement..
I have been on the dyno countless times in Rear only mode and AWD,, It has to be off..
^This. Listen to us - I own a dyno.
 
Old May 6, 2014 | 10:52 AM
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Originally Posted by prodigymb
just pull it out and do the deed
Pulling out is not a good method
 
Old May 6, 2014 | 11:25 AM
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Originally Posted by REDLINER911
Pulling out is not a good method
Hmm... REALLY?... Why not?
 


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