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Old 11-17-2014, 02:04 PM   #15
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Wow! Thanx for all of the excellent info & links Slowmover - I've bookmarked & saved them all to read up on them.

As for our TT set-up & your reccos - a few questions & clarifications:

1.) We like you have the Hensley, so I'm not sure why one would then ad a TT brake operated anti-sway system on top of the excellent Hensley (or PP) unit which obviates the sway through the heads' cams/etc. movement?

... wouldn't they end up fighting each other in a sense - e.g.: braking opposite side while the Hensley head tries to do its "thing" - mechanism moves then returns causing braking to put forces at the wheel/tire opposite to what the Hensley is counteracting itself?


2.) We already have the Tekonsha RF (essentially a wireless Prodigy P3) mounted on the TT A-frame - so the controller unit usually mounted under-dash is instead mounted on the TT A-frame & stays there, while you hitch/connect 7-way & go thru a set-up & "pairing" procedure with the handheld unit plugged into the TV's 12v, & then adjust the boost for each TV on the street under braking conditions (only done once if using the same TV).

...So I'm confused as to why I'd need another brake controller which you recommend installed in the TV??

...a related question is then will the ABS box be compatible with our Tekonsha controller?

....& will it also work on our current electric drum brake set-up?


3.) I thought that the main purpose of 10-15% HW was to keep a standard coupler fixed on the ball, which is not as much of an issue with a Hensley/PP head unit attached to the TT's coupler, then a solid bar stinger - rather than coupler on ball from Hensley head to TV receiver??

....of course getting the HW for other reasons is a good idea, so the scale is now in my plans!


4.) Are there any reasonably priced versions of those digital tire pad type scales around - like I've seen used at Good Sam or Safety Institute events where they weigh your TT/TV on-site?

...as of now I have a moving target each time with a different rented TV & my wife moving stuff around inside unknown to me, so something at hand while hitching up seems to be ideal!


5.) I agree on the suspension differences TV to TT, & yes our T20 still has the 6-leaf spring & square bar/tube dropped single axle unit with no shocks , but the PO had the shop at Camping World in ABQ update the electric drum brakes + axle & bearings in 2007, & I've had them repacked/resealed & serviced in 2012 & this past May (only about 3000 miles towed in that time).

Shocks are mostly for dampening & ride quality - which you can't ride in the TT anyway - & I see no excessive bounce from the TT when towing.

The washboarding to which I was referring in the OP was mostly with the long wheelbase Dodge 2500 3/4T Crew Cab+Long Bed (8') giving a really crappy ride - even when unhitched - relative to the Pathfinder or even to the extended cab Ford F150 short bed (medium or short wheelbase?) used for the 1st tow-job trip 800+ miles ABQ to SoCal (although still a harsher ride than the Pathfinders). In all cases these are the "new age" 4x4 jacked up too high & too hard sprung versions that they're marketing depts. say is the only thing "boyz with big cahones" will buy!

... However, apparently the old stock style TT wheel bearings are now becoming NLA, so we may be forced to go to the newer torsion suspension with electric disc brakes & a different axle at some point, as you suggest.

6.) We're also running the Maxxix R8008 radial ST225/75R15 8PR Load D 2540# rated at 65# air pressure trailer tires (that's 5000# + for both) new in July `12 (date coded May`12), as recco'ed by the trailer resto expert who did the PPI for the T20, & they're still in the <5 yr range & no cracking nor excessive wear. What is the problem with these tires?

7.) So is there some inherent problem in running this suspension & tire set-up for now with any of the TVs we may rent or buy??

Tom
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Old 11-17-2014, 02:34 PM   #16
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I'm a porsche gold meister technician, I'd be happy to answer a few of your questions. Sad to say early the early cayenne is an area of expertise for me.
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Old 11-17-2014, 02:41 PM   #17
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Well the Cayenne is a rebadged Touareg so all of the Touareg threads do actually apply. Same if you had an Audi Q7.

I've always had an eye for those 928's. A friend had one in highschool and I was always jealous.
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Old 11-17-2014, 03:02 PM   #18
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We considered all the German TVs and went with the 2014 ML350 Bluetec. Andy at CANAM set it up. A very good choice after nearly 15k miles of towing.

While certainly looking cool the 928 would overheat with the additional load!

My 92 968:
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Old 11-17-2014, 04:03 PM   #19
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Originally Posted by BoldAdventure View Post
Well the Cayenne is a rebadged Touareg so all of the Touareg threads do actually apply. Same if you had an Audi Q7.

I've always had an eye for those 928's. A friend had one in highschool and I was always jealous.
I suppose if you mean that since the Porsche is so much better than a Toureg or Q7, that anything there would be that much better in the Cayenne, then sure they're closes!

PS - Actually it's nice that they're all close enough that I'd hope that the VW & Audi techs can work on Cayennes in a pinch, but still have the advanage of a bit bigger motor, more HP & TQ, better brakes & suspension set-ups vs. it's cousins. That was in part why I picked a 914 over the 912 for my 3rd car 18 mos. out of college - so a VW shop could work on it's Type IV engine etc. since they're similar there & many other parts (411/412/Bus type motors are also similar).

What most Porsche guys won't readily admit to, is that the 356 was essentially an upgraded VW Bug/Ghia with many shared parts & both designed by the same guy! Back in the 1970's they scorned us 914 owners as "Not a Real Porsche" - so some reacted by starting Club NARP for us middies, leaving the tail-draggers to their own devices!

You must've grown up going to a rich kids' High School like on that `80's Tom Cruise movie!

I went to HS in the 1960's & 928s weren't even a thought back then, & then nobody in our neighborhood had a 356, 911, 912 either - tho a Camaro Z28 ZL1 lived up the street & a cool racing Mini Cooper S was down around the corner though!

We had to go to the rich neighborhoods' HS parking lots to see the really cool cars then.
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Old 11-17-2014, 04:04 PM   #20
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Quote:
Originally Posted by 2012FB View Post
We considered all the German TVs and went with the 2014 ML350 Bluetec. Andy at CANAM set it up. A very good choice after nearly 15k miles of towing.

While certainly looking cool the 928 would overheat with the additional load!

My 92 968:
I read your posts on another thread about that process.
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Old 11-17-2014, 04:08 PM   #21
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Quote:
Originally Posted by Franswa View Post
I'm a porsche gold meister technician, I'd be happy to answer a few of your questions. Sad to say early the early cayenne is an area of expertise for me.
Thanx! Sent you a PM
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Old 11-17-2014, 04:13 PM   #22
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I had looked at the X5, but felt the Cayenne handles better with less QC issues than the early X5 had. I agree that the straight 6 BMW is an excellent engine, but again want the reserve. X5 V8s are also harder to find than the 6s - especially with the tow option on any of them 6 or 8. I like the X5 & am in both Porsche & BMW owner clubs, so it's not a Porschephile thing on my part.

I've heard that even the early OE hitch for the X5 should have extra bracing added forward to the rear axle area for the WD use, according to CanAm.
I don't want to talk you into an X5, just presenting it as an alternative. I think of the Cayenne as being a Touareg with more expensive replacement parts and slightly different styling. I do like the look.

As to the E53 BMW, 2/3 sold were six cylinders so they are definitely more common. There is no factory tow option; all were built to the same spec with the same coolers, etc. The only item you need is the OE spec receiver hitch, which comes with a plug in wiring harness, and which was only ever offered by the dealer. On the E53 I don't think it requires any bracing for WD use. Aftermarket hitches did not include the unibody strengthening that the OE hitch kit did, so many required bracing even for non-wd use. On later models (E70, etc) bracing may be required even with the OE hitch kit for heavier tongue weights with wd.

Good luck in your search

Jeff
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Old 11-17-2014, 04:15 PM   #23
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Quote:
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I suppose if you mean that since the Porsche is so much better than a Toureg or Q7, that anything there would be that much better in the Cayenne, then sure they're closes!
LOL, I'd think you could "get-er-done"

You've got one of my other dream cars in your sig there. Westfalia Camper. Although the Syncro is the variant I've been hunting.
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Old 11-17-2014, 04:18 PM   #24
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First some background as we have owned two cars that you currently have now. We had an 85 BMW 325e. Great torque, but only 121 hp and I think it red lined at about 4,500 rpm. We broke the timing belt twice and had a fire in the engine compartment- not our favorite BMW. Now my current BMW, 2002 BMW 330ci is the best car I have ever owned- 231k with original clutch, radiator and water pump- only changed the brake pads once so far. We had an 85 VW Vanagon- real hard to add water to and vent properly. I also had a 67 and 72 Porsche 911- did not like the Bosch mechanical fuel injection in the 72.

Based on your fleet, I see a BMW X5, a Benz SUV/SW or a Porsche Cayanne in your future. I would buy which ever one you can find that you like, but by all means pass it through Andy T. for his blessing. Because my TV is a 2008 Tundra 5.7L which I really love, I would also consider a 2007 or later Sequiah 5.7L because of the great motor and 6 speed tranny.

Good luck, Dan
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Old 11-17-2014, 04:38 PM   #25
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First some background as we have owned two cars that you currently have now. We had an 85 BMW 325e. Great torque, but only 121 hp and I think it red lined at about 4,500 rpm. We broke the timing belt twice and had a fire in the engine compartment- not our favorite BMW. Now my current BMW, 2002 BMW 330ci is the best car I have ever owned- 231k with original clutch, radiator and water pump- only changed the brake pads once so far. We had an 85 VW Vanagon- real hard to add water to and vent properly. I also had a 67 and 72 Porsche 911- did not like the Bosch mechanical fuel injection in the 72.

Based on your fleet, I see a BMW X5, a Benz SUV/SW or a Porsche Cayanne in your future. I would buy which ever one you can find that you like, but by all means pass it through Andy T. for his blessing. Because my TV is a 2008 Tundra 5.7L which I really love, I would also consider a 2007 or later Sequiah 5.7L because of the great motor and 6 speed tranny.

Good luck, Dan
Dan,

We're the original owners of the 325e & Westy - almost 200k mi on the 325e with original engine & radiator, water pump only lasted 150k, 5-spd trans rebuilt around 140k & the dang alternator finally died at 194k - so quite the opposite experience you had & 1/4 the cost of the Westy to maintain over it's 215k miles - blown motor (rod thru case at about 100k) & top end rebuild at 160k, auto trans rebuild at 180k & a bunch more stuff over the years.

Most folks have many vehicles - I've only ever owned 5 since 1969 & still own #3 (914), #4 (325e) & #5 (Westy) - although you could make a case that I now own a 74 914 parts body for resto parts, & my wife had a 73 Honda Civic when we were first married & more recently we inherited an 88 Honda Civic Hatchback which my son & I restored/refurbed for his & his sisters use (both in my wife's or the latter now with our son's name on title - so I can still not claim them ).

After the 928 flight of fancy - I did look at all German + Japanese, Korean & US options for the TV, but seemed to have culled them out over researching options.

Although I'd bet that Andy T. would say the 928 would be a capable TV within it's weight class, if properly set-up by his shop & not thrashed mechanically. I know a guy in AL who tows his Whaler boat with his 83 928 (only a 4.5L 265 HP), & another guy in MN/WI area tows his racing 911 & heavy race/equipt/spares trailer with his 928 - among others using a Reese type receiver customized to the 928. I only know one 84 928 guy in Tulsa who has a factory hitch, but only tows light MotoCross Bikes in a small trailer <1500# with it.

PS - The Sequoyah (correct Cherokee phonetic spelling BTW) is too big for either our skinny driveway or for my wife to drive, which is why I thought about the smaller V8 4Runner or Land Cruiser - which are still on the table if the 4.6L V8 would be ample, or if a 5.7L & 6 Spd. Auto were found. I actually liked the earlier <`06 Tundra/Sequoyah/LR/4Runner & the even earlier 4Runners/LRs without the fat C-Pillars.

My wife & I would have to drive any "finalists" to decide if the size, ride & handling works - as well as the towing capability.
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Old 11-17-2014, 04:53 PM   #26
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Re: Cayenne as TV. If this is not a currently owned vehicle, IMO it is not a great TV. The torque curve is such that it will downshift at 60 mph on the Interstate, uses gas at 10-12 mpg, and has limited range as a result of low fuel mileage. One could drive in fifth gear, fuel mileage may be even worse. And, premium fuel is required if I am not mistaken.

I sold my Cayenne Turbo (450 hp, 460 ft lb) and bought a Dodge Cummins.
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Old 11-17-2014, 05:17 PM   #27
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Input on Porsche Cayenne as TV (& 928's??)

[QUOTE=Tom_T;1541981]Wow! Thanx for all of the excellent info & links Slowmover - I've bookmarked & saved them all to read up on them.

As for our TT set-up & your reccos - a few questions & clarifications:

1.) We like you have the Hensley, so I'm not sure why one would then ad a TT brake operated anti-sway system on top of the excellent Hensley (or PP) unit which obviates the sway through the heads' cams/etc. movement?

... wouldn't they end up fighting each other in a sense - e.g.: braking opposite side while the Hensley head tries to do its "thing" - mechanism moves then returns causing braking to put forces at the wheel/tire opposite to what the Hensley is counteracting itself?


2.) We already have the Tekonsha RF (essentially a wireless Prodigy P3) mounted on the TT A-frame - so the controller unit usually mounted under-dash is instead mounted on the TT A-frame & stays there, while you hitch/connect 7-way & go thru a set-up & "pairing" procedure with the handheld unit plugged into the TV's 12v, & then adjust the boost for each TV on the street under braking conditions (only done once if using the same TV).

...So I'm confused as to why I'd need another brake controller which you recommend installed in the TV??

...a related question is then will the ABS box be compatible with our Tekonsha controller?

....& will it also work on our current electric drum brake set-up?


3.) I thought that the main purpose of 10-15% HW was to keep a standard coupler fixed on the ball, which is not as much of an issue with a Hensley/PP head unit attached to the TT's coupler, then a solid bar stinger - rather than coupler on ball from Hensley head to TV receiver??

....of course getting the HW for other reasons is a good idea, so the scale is now in my plans!


4.) Are there any reasonably priced versions of those digital tire pad type scales around - like I've seen used at Good Sam or Safety Institute events where they weigh your TT/TV on-site?

...as of now I have a moving target each time with a different rented TV & my wife moving stuff around inside unknown to me, so something at hand while hitching up seems to be ideal!


5.) I agree on the suspension differences TV to TT, & yes our T20 still has the 6-leaf spring & square bar/tube dropped single axle unit with no shocks , but the PO had the shop at Camping World in ABQ update the electric drum brakes + axle & bearings in 2007, & I've had them repacked/resealed & serviced in 2012 & this past May (only about 3000 miles towed in that time).

Shocks are mostly for dampening & ride quality - which you can't ride in the TT anyway - & I see no excessive bounce from the TT when towing.

The washboarding to which I was referring in the OP was mostly with the long wheelbase Dodge 2500 3/4T Crew Cab+Long Bed (8') giving a really crappy ride - even when unhitched - relative to the Pathfinder or even to the extended cab Ford F150 short bed (medium or short wheelbase?) used for the 1st tow-job trip 800+ miles ABQ to SoCal (although still a harsher ride than the Pathfinders). In all cases these are the "new age" 4x4 jacked up too high & too hard sprung versions that they're marketing depts. say is the only thing "boyz with big cahones" will buy!

... However, apparently the old stock style TT wheel bearings are now becoming NLA, so we may be forced to go to the newer torsion suspension with electric disc brakes & a different axle at some point, as you suggest.

6.) We're also running the Maxxix R8008 radial ST225/75R15 8PR Load D 2540# rated at 65# air pressure trailer tires (that's 5000# + for both) new in July `12 (date coded May`12), as recco'ed by the trailer resto expert who did the PPI for the T20, & they're still in the
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Old 11-17-2014, 05:28 PM   #28
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Great. My reply was lost. Yes you want correct TW percentage as well as best weight distribution afterwards. Same for electronic sway control. Mech is nice but electronic is lightning fast.

St tires are Problem. One day all is good but next week you've a $7000 repair bill. Need TpMS as well


Etc. More when I'm back on laptop


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