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Old 04-23-2004, 18:29   #1 (permalink)
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Question AWD on a dyno?

just curious as how youd do a dyno on an AWD vehicle? havent really had any experience with dyno but the set up is only for 1 set of wheels (whether it be RWD or FWD) isnt it? is it even possible to do a dyno on an AWD?
probably a stupid question but i thought id ask.
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Old 04-23-2004, 18:34   #2 (permalink)
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Re: AWD on a dyno?

They have dynos that all 4 wheels rest on.
Its the same as the normal dyno except there is 2 rolly bits.
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Old 04-23-2004, 18:53   #3 (permalink)
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Re: AWD on a dyno?

With some AWD cars they dyno rear wheels only. Namely, Skyline GT-Rs. You pull out a wire from the ATESSA AWD system and the car becomes 100% RWD, which is why so many high power GT-Rs have like 800rwhp instead of awhp. Same thing can't be done on simpler AWDs, like a WRX.
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Old 04-23-2004, 19:05   #4 (permalink)
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Re: AWD on a dyno?

i have seen some all wheel drive dyno's that jack the car up take your wheels off and a large box type unit bolts to the hub.
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Old 04-24-2004, 03:21   #5 (permalink)
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Re: AWD on a dyno?

i would have thought the easiest way would be to unbolt the rear prop shaft and dyno it like a fwd.
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Old 04-24-2004, 20:06   #6 (permalink)
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Re: AWD on a dyno?

Quote:
Originally Posted by XRQTOR
i have seen some all wheel drive dyno's that jack the car up take your wheels off and a large box type unit bolts to the hub.
Yeah i have seen them too, but im not sure what they are called either
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Old 04-24-2004, 22:48   #7 (permalink)
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Re: AWD on a dyno?

Quote:
Originally Posted by DansEdgli
They have dynos that all 4 wheels rest on.
Its the same as the normal dyno except there is 2 rolly bits.
what he said
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Old 04-26-2004, 00:18   #8 (permalink)
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Re: AWD on a dyno?

Quote:
Originally Posted by Steffo
With some AWD cars they dyno rear wheels only. Namely, Skyline GT-Rs. You pull out a wire from the ATESSA AWD system and the car becomes 100% RWD, which is why so many high power GT-Rs have like 800rwhp instead of awhp. Same thing can't be done on simpler AWDs, like a WRX.
Half right - R32 you pull the fuse, R33 you have to get a chip installed, R34 you cannot disable ATESSA.
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Old 04-26-2004, 00:22   #9 (permalink)
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Re: AWD on a dyno?

Quote:
Originally Posted by XRQTOR
i have seen some all wheel drive dyno's that jack the car up take your wheels off and a large box type unit bolts to the hub.
this takes out the inaccuracy that wheelspin results in.
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Old 04-26-2004, 00:23   #10 (permalink)
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Re: AWD on a dyno?

ive seen a jap fellow at a street race on a "private road" who popped the bonnet on his r34 gtr do somthing and make it rwd only. Got me stuffed what he did but you could notice once he took off the rest of the time as the ass would step out.
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