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Cayenne - good SUV?

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Old 12-24-2012, 06:39 PM
  #16  
Cole
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Originally Posted by Frank 993 C4S
Did anybody mention that they are grrrreat for towing?
I also tow my track car with it, just figured that would be redundant after posting the Eurovan on the back.




Below is a post I put on 6speed after towing with both my Dodge and my CTT. Thought it was a fun comparison.


I have two "tow rigs". My Dodge truck and the CTT.

I recently went to pick up a Eurovan out of state to build a camper project out of.

I debated which vehicle to take to tow it home and decided on the CTT. It was as long 1,800 mile tow. (The eurovan was a hell of a deal) Then when I got home I wanted to put the CTT back in the garage, so I hooked the trailer up to the Dodge to secure it, etc. I have now towed the Eurovan around for about half a day with the Dodge.


Here are the basic specs.

Trailer + Eurovan = about 7,500 lbs. Add my 210 lbs of driver and its right about the max tow weight for the CTT.

Trailer has trailer brakes and both the CTT and the Dodge have the exact same trailer brake controller in them. (Makes adjustment easier to remember)


2004 CTT chipped (totally drawing a blank on which one right now), APR R1 bpvs, CTTS control arms, everything else stock. Factory tow package. (Est. for the chip company should put it about 530hp/550tq or something like that at the crank)

1998 Dodge 2500 quad cab short box 4x4, V10 (stock 300hp/450tq) but with a dual fuel propane set up, headers, dual exhaust all the way back, MSD plug wires, etc) NV4500 5 speed, Dana 80 LSD rear, Dana 60 front.

So which tows better?hilarious


The CTT pulls the load MUCH MUCH better. I could hold 80mph long mountain passes with just a toe on the pedal. The dodge will slow to about 60 "all in" on a steep climb.

The CTT stops FAR better!! Obviously the trailer brakes are only controlling part of the load since the Dodge had more of an issue coming to a stop then the CTT with the same load behind it, same trailer brakes and same controller.

The CTT feels much more stable in a corner. The much lower center of gravity and much more advanced suspension obviously controls the weight better.

CTT has air bags to auto level the load, Dodge does not, but you can see that the Dodge was not exactly squatting with it on there

Every once in a while I forgot to shift the CTT down to first to get the load moving and it doesn't complain one bit, it just starts in second like normal and it moves right along. The Dodge really only wanted to get moving in first.

The CTT is MUCH MUCH FASTER when merging or passing!

The CTT also turns the load around in a much tighter space. Which made uturns a no brainer. You usually have to "take another lap" in the Dodge.

Pulling the mountain passes at 75-80 I got anywhere from 10-13mpg in the CTT. I averaged 17mpg without the Eurovan on the trailer when going to pick it up.

The Dodge gets 10mpg unloaded and anywhere from 4-8 pulling.

The Dodge does "feel" more natural with a trailer behind it. Even though the CTT kicks its but in the task.

Obviously if my truck were a modified diesel (the V10 was more powerful stock than the diesel of the same year) it would probably get better mileage and hold speed better. But it would still handle and brake the same.






7,500 lbs behind it, cruise control set, it doesn't like my led trailer lights.

Old 12-24-2012, 08:49 PM
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the flyin' scotsman
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great feedback Cole; thats exactly what I was hoping for with this post.........some folks who really use their machine.

I was in Denver this summer......did we perchance meet?
Old 12-25-2012, 06:01 PM
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I just looked at this under-intake coolant pipes thread.

It makes everything I've ever seen under the hood of a 928 seem completely sane, reasonable, and well thought out.

Good luck Malcolm.
Old 12-25-2012, 06:12 PM
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Cole
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Coolant pipes are super easy to do.

I have a 951,928S4 and a CTT and the coolant pipes are one of the easiest tasks.

Took me 6 VERY casual hours to complete over two evenings.
Old 12-25-2012, 06:13 PM
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...... And would probably take less time now that I've done it once.
Old 12-25-2012, 08:27 PM
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The difficulty of the task was not the subject of my post
Old 12-25-2012, 09:25 PM
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A fantastic SUV, ours has now 100'000 miles, (got it new) and still run like brand new.
Towing 6'500 pounds for about 3'500 miles.
It is a 2006 CS. Had coils at about 50k miles. New half shaft and new aluminium coolant pipes, at 83k miles.
Beside this, just regular maintenance.
After 5 Range Rover and 2 Grand Cherokee, the clear winner.
Old 12-25-2012, 09:39 PM
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Cole
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Originally Posted by worf928
The difficulty of the task was not the subject of my post
Then what's the point? Design is actually very simple and sane based on the technology of the time.

The 928 electrical system is far more complicated than anything on a Cayenne.
Old 12-25-2012, 11:37 PM
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Originally Posted by Frank 993 C4S
Did anybody mention that they are grrrreat for towing?
I couldn't agree more...
Old 12-27-2012, 05:04 PM
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Originally Posted by Cole
The 928 electrical system is far more complicated than anything on a Cayenne.
Old 12-30-2012, 10:51 AM
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thx all. for the most part very positive feedback with 2 areas to ensure were looked after:

the ignition coils

the under intake coolant pipes

test drive tomorrow
Old 12-30-2012, 11:12 AM
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Doug_B_928
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I think the coolant pipes that are of concern are the pre- 2008 plastic ones. I believe that from 2008 they came with aluminum pipes.
Old 12-30-2012, 12:37 PM
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Nope, all of them had plastic.

It's just the early ones that have shown the need to replace them. It's entirely possible that with more time and mileage the 08+ may show signs of a problem too. But sine they intake was resigned maybe they just don't see the same issue even with plastic.
Old 12-30-2012, 07:05 PM
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I was under the understanding that the 07's had the aluminum along with some other "heavier duty" stuff...coils (if that is possible) than the other years, but shortly into the build year they realized the cost is much more. I could be wrong, or I read this and it was mis-info so please do not quote me on this. 1k on my P!G since I got her...just shy of 110k miles on her and it is my favorite car I've had in quite some time (exclusion to the 951, because that isn't a DD).
Old 12-31-2012, 06:07 PM
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As far as I know, the original Cayenne, 955, v8 has the replacement aluminium parts, but not for the face-lifted version +07 957 models.

There were rumors that Porsche will phase out the aluminum replacement coolant pipes as they figured out the special mixture to mold another plastic replacement pipes, as I've said, it's not 100% true but I've heard someone mentioned about this from other forums.


Only two major issues with 955 Cayenne NA v8 models;
(a) plastic coolant pipes
(b) cardon shaft

Otherwise my 2006 S Titanium Edition has been rock solid!


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