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Open Roads Forum  >  Fifth-Wheels

 > 75 Speed Limit - How Fast

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riltri

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Posted: 08/28/20 03:28pm Link  |  Quote  |  Print  |  Notify Moderator

We are heading to Utah from NC. I-40 most of the trip with speed limits at 75mph along much of the way. I do NOT go that speed when pulling. What do you guys do?

ETA: Carlisle HD Radials rated to 81mph

* This post was last edited 08/28/20 04:01pm by riltri *   View edit history

enblethen

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Posted: 08/28/20 03:31pm Link  |  Quote  |  Print  |  Notify Moderator

You would be better off around 60!
Many trailer tires are rated for 65, check yours.


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Posted: 08/28/20 03:32pm Link  |  Quote  |  Print  |  Notify Moderator

63 mph for us. When towing. That even more important with ST tires, check their max speed. We have LT tires but going from 60 to 65 causes almost a 0.4 gpm loss for us.


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Posted: 08/28/20 03:38pm Link  |  Quote  |  Print  |  Notify Moderator

Consider the wind. west wind will take its toll, deduct the extra wind for added fuel.. ?
better keep it at 60-65.


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riltri

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Posted: 08/28/20 03:38pm Link  |  Quote  |  Print  |  Notify Moderator

enblethen wrote:

You would be better off around 60!
Many trailer tires are rated for 65, check yours.


81mph....fixed my initial post

* This post was edited 08/28/20 04:01pm by riltri *

MarkTwain

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Posted: 08/28/20 03:40pm Link  |  Quote  |  Print  |  Notify Moderator

riltri wrote:

We are heading to Utah from NC. I-40 most of the trip with speed limits at 75mph along much of the way. I do NOT go that speed when pulling. What do you guys do?


63 -65 keeps me from getting speeding ticket in Calif. from CHP. I always drive with my Valentine Radar unit on. Speed is relative to each individuals comfort safety levels and ability tow and control your Trailer.

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Posted: 08/28/20 03:41pm Link  |  Quote  |  Print  |  Notify Moderator

62 ish for me. Above that and my mileage drops. I know it does not seem like much but if you get 10 mpg and drop to 9....it is a 10 % drop...which means you have to buy 10% more fuel. My tires are rated for 75 mph but no way will I tow that fast. In South Dakota the speed limit was 80 mph. There I was doing 62 but that is ok with me as I stay in the right lane.


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Posted: 08/28/20 03:48pm Link  |  Quote  |  Print  |  Notify Moderator

I try to pull my 5th wheel at or close to 60. That equates to one mile per minute and if that is not fast enough then I should stay home. Too many people on the road with OEM China bomb tires!!! I'm running Goodyear Endurance and encourage everyone to think about their tires.

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Posted: 08/28/20 03:53pm Link  |  Quote  |  Print  |  Notify Moderator

Likes to tow wrote:

I try to pull my 5th wheel at or close to 60. That equates to one mile per minute and if that is not fast enough then I should stay home. Too many people on the road with OEM China bomb tires!!! I'm running Goodyear Endurance and encourage everyone to think about their tires.


The LT’s on our 5er are rated at 103 mph! So I should be good up to about 100! [emoticon]
Interstate somewhere between 60 to 70 mph.


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riltri

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Posted: 08/28/20 04:04pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks for the responses. When we travel to/from Florida, we seemed to settle in around 63mph. Wasn't certain how the big rigs felt about RVs doing 17mph under the speed limit.....but that is where we are comfortable and what we will do.

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