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07-16-2011, 12:17 AM
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#1
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Senior Member
Join Date: Mar 2011
Location: Lethbridge
Posts: 124
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Would these changes make a noticeable difference?
In a different thread I had asked everyone's opinion about P rated tires versus LT tires on their TV's. Here's what I'd like to know now...if I were to install LT tires and heavy duty shocks on my Avalanche, would I really see a noticeable difference in the feel of towing my trailer? Right now they are 20", P rates tires and there are only factory shocks on the truck. I really want to eliminate that "squishy" feel I am currently experiencing in the back of the truck.
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2012 Chevy Silverado 2500HD Z-71, 6.0L, Crew Cab w/3.73's
2011 Jayco Jayflight Swift 26BH
38 Nights Camping in 2017
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07-16-2011, 04:42 AM
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#2
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Moderator Emeritus
Join Date: Apr 2011
Location: Michigan
Posts: 9,424
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Yes.
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2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2002 GM 2500HD 6.0L/4:10 (retired)
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (Strait-Line)
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07-16-2011, 11:22 AM
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#3
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Senior Member
Join Date: Jul 2009
Location: Mostly the US
Posts: 10,002
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Can't attest to the squishy feeling, but here is our experience....
Buying the F-150, we really liked the Platinum, but they came with the 'P' 20's. I did a lot of research on those tires through tire sites, rv forums, and also calling the manager of each tire shop in town. We haven't towed with 'P' rated 20's, but understood that anything other than driving it like a car, there was an increased risk of failure under load of towing/hauling thus comprising your/others safety on the highway.
I can tell you that with our 18" LT tires, we keep the rear tires at 50psi and fronts at 40-45psi while towing. When not towing, the ride is pretty firm at 50psi, so we drive with 45 lbs then.
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Denise, DH, grandkids, and two rescue pups
-2016 Jay Flight 29QBS Elite
-2016 Ford F-250 XLT 4x2, 6.2L EFI V8, 4.30 Elec Lock, Heavy duty Alt
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07-16-2011, 02:26 PM
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#4
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Senior Member
Join Date: Mar 2011
Location: Lethbridge
Posts: 124
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Thanks for the input healthi...will consider what you're saying but really am looking forward to making some tire changes before long to the LT tires.
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2012 Chevy Silverado 2500HD Z-71, 6.0L, Crew Cab w/3.73's
2011 Jayco Jayflight Swift 26BH
38 Nights Camping in 2017
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07-19-2011, 07:13 PM
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#5
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Member
Join Date: May 2011
Location: NW Oklahoma
Posts: 56
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@ healthi
Who makes 18" LT tires? I have had trouble finding them for my F150. It runs a 265/60 18" tire.
Thanks!
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2014 Jayco Eagle Touring Edition 28.5BHDS 5th Whl
1986 Jayco 1008dd Popup
1984 GMC C2500 Crew Cab 454 4spd
2018 Jeep Wrangler JK
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07-20-2011, 09:34 AM
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#6
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Senior Member
Join Date: Jun 2010
Location: Saskatoon Sask Canada
Posts: 10,714
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Quote:
Originally Posted by OkieCamperFisherman
@ healthi
Who makes 18" LT tires? I have had trouble finding them for my F150. It runs a 265/60 18" tire.
Thanks!
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Check the tire rack even if you dont buy from them you will find what is available.. and they have great info.
www.thetirerack.com
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Seann
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 900watts of solar, Lithium batteries (400amp hour), 2000 watt (4000 surge) whole house inverter.
145days boondockinig in2023 2022/151 2021[/COLOR]
93/2020,157/2019219/2018 206/2017,215/2016, 211/2015, 196/14, 247/13, 193/12
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07-20-2011, 09:42 AM
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#7
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Senior Member
Join Date: Jun 2011
Location: The Land of Lincoln.
Posts: 175
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Quote:
Originally Posted by OkieCamperFisherman
Who makes 18" LT tires? I have had trouble finding them for my F150. It runs a 265/60 18" tire.
Thanks!
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Nobody. I searched several of my tire suppliers across the midwest- nobody builds that size in an LT rating or even an XL (extra load). I tried going up to a 265/65r18, and still nothing. Going up one more size to a LT275/65r18, and everybody builds that size in an LT 10-ply rating. However, your truck may not allow that larger size tire to fit. If your F150 is four-wheel-drive, they may fit - but you'll have to find a tire shop that we be willing to test fit one tire before you buy them. If your F150 is two-wheel-drive, don't hold your breath.
Using a fitment guide, going from a 265/60r18 to a 275/65r18 is only about 3% taller & wider- and it should work with no issues. But thats a guide- a real world test fit will give a definitive yes or no.
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Camping is just a relaxing way to practice for being homeless. :Flag:
2009 JKU TV (Its a Jeep thing...you wouldn't understand!)
2000 Quest 8U PUP
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07-20-2011, 05:43 PM
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#8
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Senior Member
Join Date: Oct 2010
Location: Merrimack NH
Posts: 917
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newrvguy68--- When changing to a different size tire just be sure that the circumference stay's the same or you will screw up your tv's computer in reguards to speed & mileage and maybe a host of other systems on the tv. Larry
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Larry & Rachel Demers 2013 F150 Eco Boost Super Cab 6.5 bed 6 sp. 3.31 4x4 White Hawk 28DSBH
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07-21-2011, 09:56 PM
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#9
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Senior Member
Join Date: Mar 2011
Location: Lethbridge
Posts: 124
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19H...I discussed this very thing that you are talking about with the tire store and they suggested that I take it to the dealership to see if they are able to recalibrate the tv's speedometer. They also said that it may require setting the tire pressure monitoring system to a higher range.
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2012 Chevy Silverado 2500HD Z-71, 6.0L, Crew Cab w/3.73's
2011 Jayco Jayflight Swift 26BH
38 Nights Camping in 2017
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07-22-2011, 07:04 AM
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#10
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Senior Member
Join Date: Oct 2010
Location: Merrimack NH
Posts: 917
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newrvguy68-- Sounds like you have thought the process all the way thru, hope you can find some tires that work for you. Larry
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Larry & Rachel Demers 2013 F150 Eco Boost Super Cab 6.5 bed 6 sp. 3.31 4x4 White Hawk 28DSBH
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07-23-2011, 12:34 AM
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#11
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Member
Join Date: Nov 2010
Location: Sewanee, TN
Posts: 93
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Quote:
Originally Posted by OkieCamperFisherman
@ healthi
Who makes 18" LT tires? I have had trouble finding them for my F150. It runs a 265/60 18" tire.
Thanks!
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Continental and Kumho. The Contis were original equipment on my F-250. I now have Kumho LTs on my truck because at the time, Continental replacements were on back order.
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"The Green Goblin" 2008 F-250 Lariat CC SB, 6.4 liter automatic, 4x4"Love Shack" 1995 Jayco Eagle 277 RBSS fifth-wheel
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