Dynojet and AWD
12-15-2005, 01:00 PM
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Track Day
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Location: Newport Beach, CA
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Dynojet and AWD
Can you safely run a 996T on a dynojet AWD dyno? I know that the drum rollers they use are not linked. Can it still be done? Will I damage anything?
12-15-2005, 01:41 PM
#3
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No, the dynojet is not mechanical coupled and is actually two 248Cs or a 222 and a 248. The ratios are not the same and will over heat the viscous coupling. When that happens it will pop and I literally mean pop and blow fluid every where. Just unhook the driveshaft and run it as a 2WD.
12-15-2005, 02:05 PM
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Ask me how I know
Never put the TT on a non-mechanically lined AWD dyno. If the operator tells you, "It's ok we calibrated the software correctly etc..", walk away. Or tell him to front you for a new differential...
Never put the TT on a non-mechanically lined AWD dyno. If the operator tells you, "It's ok we calibrated the software correctly etc..", walk away. Or tell him to front you for a new differential...
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12-15-2005, 08:19 PM
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Track Day
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XS Engineering - They tune a lot of Skyline's Supra's RX7's.
18062 Redondo Circle
Huntington Beach, CA 92648-1326
Phone: (714) 698-8300
Fax: (714) 698-8301
They have 2 dyno's a 2wd dynojet and a 4wd DTS 9500.
18062 Redondo Circle
Huntington Beach, CA 92648-1326
Phone: (714) 698-8300
Fax: (714) 698-8301
They have 2 dyno's a 2wd dynojet and a 4wd DTS 9500.
12-19-2005, 04:51 AM
#12
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I do know these guys quite well. I have heard they have ran AWD 911s on the DTS before. I was trying to talk them into being a GIAC tuner/installer.
I need to swing by there again. Koji is an awesome tuner as he comes with lots of HKS tuning.
regards
Ricky Boyd
2001 911 Turbo
I need to swing by there again. Koji is an awesome tuner as he comes with lots of HKS tuning.
regards
Ricky Boyd
2001 911 Turbo
12-19-2005, 08:59 AM
#13
Rennlist Lifetime Member
As long as the front and rear rollers are coupled together MECHAINCALLY this is not a problem. If they are not I do not care what the manufacture says, the wheels will spin at different rates and cause issues. There are only two manufactures that require the wheels run on a mechanically linked system. One of them is Porsche. After the 993 was introduced and the viscous coupling was installed Porsches could not be run on unmatched rollers. The earlier systems used a system of slaves that locked and unlocked the front shaft. After that they all went to self contained viscous. So anything 993 on forward can not be run unless the rollers are together.
