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IBcarguy

Northern CA

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Posted: 02/23/18 12:30pm Link  |  Quote  |  Print  |  Notify Moderator

I've towed over the Grapevine many times with no problems. Beware if you go during the winter, sudden snow conditions can be a hazard there.

* This post was edited 02/23/18 04:03pm by IBcarguy *

F1bNorm

Gardena, CA

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Posted: 02/23/18 08:04pm Link  |  Quote  |  Print  |  Notify Moderator

The Grapevine is not the Grapevine of old! It's 6 lane, relatively straight. It is a 4000' pass. Rest stops and free dump stations at the summit. Do watch the weather (snow/snow closures) in winter. Hot during the summer. Will do in a marginal cooling system. High winds can push you around at any time. The steepest bits are at the beginnings and endings.

Norm


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pauldub

North of Seattle

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Posted: 02/23/18 08:18pm Link  |  Quote  |  Print  |  Notify Moderator

Shouldn't be any big deal if you're used to going over the Siskiyous.

eDUBz

Oxnard

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Posted: 02/23/18 09:45pm Link  |  Quote  |  Print  |  Notify Moderator

45 all the way up you will do fine.


LBZ - Stealth - RZR - Honda - SUPsurf - Fish - Kayak

jimx200

yard

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Posted: 02/23/18 11:30pm Link  |  Quote  |  Print  |  Notify Moderator

That V10 will climb the GV with ease!Best engine ever in a RV

Stranger

Sparks, NV. USA

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Posted: 02/24/18 01:08pm Link  |  Quote  |  Print  |  Notify Moderator

IIRC the Truck downhill speed limit applies if you have a GCVW of over 10,000 lbs.


Life is not a journey to the grave with the intention of arriving
safely in one pretty and well preserved piece, but to skid in broadside, thoroughly used up, worn out and defiantly shouting "Wow, what a ride!". ">
2002 3500 6 Speed
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Just 72 feet!



derh20

Vancouver-Not BC, WA-Not DC

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Posted: 02/25/18 08:34am Link  |  Quote  |  Print  |  Notify Moderator

thanks for all your comments. My takeaway is to do it, so that is what I will do.





Seon

Lake Camanche, CA

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Posted: 02/26/18 08:14am Link  |  Quote  |  Print  |  Notify Moderator

derh20 wrote:

thanks for all your comments. My takeaway is to do it, so that is what I will do.


Good for you. Please post how your trip went.

sandblast

salt lake city utah

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Posted: 02/26/18 09:07pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

Going north there is only one almost steep section early on and then a few rolling hills. 55 max and right two lane restriction when towing in CA. Just hang with the truckers.

The decent has a truck speed limit of 45 or is it 35? Does not apply to you however you will be on your brakes. Anyway just go slow on this section. Coast up to maybe 55/60 and then brake moderately firm down to maybe 40 and let it coast back up again. Repeat until you are down. Pull the lever to hold a lower gear and keep your rpm 3000 to 4500 for engine braking. Some gear should allow your speed and rpm to stay close to these ranges.

Don't ride the brakes to maintain a steady speed.


Read Time 2 Roll.

Repeat, Read Time 2 Roll

derh20

Vancouver-Not BC, WA-Not DC

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Posted: 03/04/18 06:40pm Link  |  Quote  |  Print  |  Notify Moderator

Here is an update. I was asked for my opinion going over the Grapevine. Keep in mind, we were traveling Northbound. Going up, no problem. I was going 45-50 MPH, with 3K RPM. Slow and steady. Going downhill, no problems at all for most of the way. At the end, there is a 5 mile 6% downhill. I put the MH in 3rd gear at the top and occasionally needed to tap the brakes. I do that instead of pushing the TH button because every time a have to tap the breaks, the transmission gears down again-which gears it down too much.

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