SSR GT3 Wheels on the CTT!
#16
09-23-2010, 11:15 PM
You email SSR in SoCal for your info and they will get back to you. I spoke to the person in charge directly. He informed me that wheel is not for a Cayenne Turbo. There is a different load rating for different bolt pattern. He had up to the 5X120 but not 5X130 as for the Cayenne. He thinks it might be 690kg or just slightly higher or similar, in either case it will NOT meet the CTT's weight!
#17
09-24-2010, 04:32 AM
Gross vehicle weight (GVW) is the total weight of an automobile, including all cargo and passengers. Without passengers or cargo, this is the curb weight. The weight of the passengers and cargo are then added to the curb weight to yield gross vehicle weight. The 2005 Porsche Cayenne Turbo is around 4900lbs - 5195lbs curb weight depending on where you read. The MAX GVW per Porsche is 6790lbs. So the curb weight (this includes all fluids and a full tank of gas) is 5195lbs + your 600lbs of passengers = 5795lbs not 7400lbs. God i love forum experts.
Just researched the wheels and vehicle. The Gross vehicle weight is 6790 lbs- empty with NO passengers! About 600 lbs, passenger of 4. Now its 7400 lbs. Those wheels are rated at the highest with 5X130 bolt pattern is about 700kg or 1540 lbs per corner. 1540lbs X 4= 6640Lbs. Those wheels are not meant for the CayenneTurbo ! NOT SAFE!
Last edited by Matrix; 09-24-2010 at 04:49 AM.
#18
09-24-2010, 06:56 AM
Join Date: Aug 2010
Location: Chapel Hill, NC
Posts: 116
Rep Power: 19 
You email SSR in SoCal for your info and they will get back to you. I spoke to the person in charge directly. He informed me that wheel is not for a Cayenne Turbo. There is a different load rating for different bolt pattern. He had up to the 5X120 but not 5X130 as for the Cayenne. He thinks it might be 690kg or just slightly higher or similar, in either case it will NOT meet the CTT's weight!
The GVW as Matrix states below is the MAX allowed weight for the vehicle to be on the road. This includes passengers, cargo, all fluids, full tank of gas and towing tongue weight. This is around the 6800 you mentioned. Curb weight though is roughly 5200. With 600 pounds of passenger, fluids and cargo it is still below the threshold and will be fine. I will never fully load the Cayenne up as I don't tow with it and I don't move bricks for a living.
When these calculations are made there is always a large degree of "safety" built into them. It isn't like if you go to 690kg in your example you're fine but then 691kg and the wheels will fall off. I agree there are stronger wheels out there and these may not have been designed for the CTT but since I'm not tracking the it, will only take it "light" off roading (dirt roads) with my 19" and that I have nice NC roads, I'm sure they will be fine.
I do appreciate your concern and or bringing this up though! I never would have thought about it otherwise!
Gross vehicle weight (GVW) is the total weight of an automobile, including all cargo and passengers. Without passengers or cargo, this is the curb weight. The weight of the passengers and cargo are then added to the curb weight to yield gross vehicle weight. The 2005 Porsche Cayenne Turbo is around 4900lbs - 5195lbs curb weight depending on where you read. The MAX GVW per Porsche is 6790lbs. So the curb weight (this includes all fluids and a full tank of gas) is 5195lbs + your 600lbs of passengers = 5795lbs not 7400lbs. God i love forum experts.
#19
09-24-2010, 07:40 AM
Matrix is CORRECT! Gross weight on my plane is what I don't want to exceed with pass and fuel and same with the CTT. Thanks.
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