06-13-2008, 05:51 AM
Flofocus,Jun 12 2008, 05:03 PM Wrote:not entirely true, They can dyno, but it wont be $50 as the labour to set it up would be over an hour...
I've seen awd tsi's dyno on 2wd dyno's, they disconnect something in the tranny area and make it so only 2 wheels are going....not exactly sure what they did though.
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most likely they disconnected the driveshaft. i wonder if the tune obtained that way is still valid... i imagine throttle position, rpm and load would look different when running in fwd w/o the driveshaft or awd.
also, when they dyno make sure they use the proper tow points to tie the car down, and not the vehicle's suspension... basic stuff i'm sure to frequent dyno users but i've been reading a lot of treads on a 3 series forum of ppl breaking control arms from improper dyno tie downs