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02-05-2012, 01:15 PM
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#1
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Member
Join Date: Oct 2011
Posts: 66
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Can you put 15"/16" tires/rims?
can these work on a 2306 rockwood tt/many more tires to choose from ,has any one tried this??.....I love this forum ya'll always help when questions are asked,very polite group of rvers.
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02-05-2012, 01:57 PM
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#2
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Senior Member
Join Date: Dec 2011
Location: Southwest Wyoming
Posts: 588
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I plan on doing this myself. Taking some measurements there appears to be plenty of room. I plan to go from the 205/75 14 load range c tires to a 225/75 15 d load range. Also gives me roughly 2" larger diameter tire. Ground clearance is an issue for the type of camping I do as well as a stouter sidewall.
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02-05-2012, 02:25 PM
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#3
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Senior Member
Join Date: Jan 2011
Location: Saint Cloud FL
Posts: 1,565
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send Darren (Teamgl) a Private Message - he has the flagstaff and was going add bigger tires - he had a 2" lift kit ftom forest river but not sure if he ever used it or not.
Forest River Forums - View Profile: teamgl
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2011 Rockwood Mini Lite 2306 - Matt
2004 Dodge Ram 1500 Qaud Cab 4x4 with 35" tires and 3.92 gears, Dynatech Longtube Headers & Fabtech 6" lift + Superchips with shift Tuning
Nights Camped 2011 (37) - 2012 (16)-2013 (2) -2014 (5) -2015(0)
USMC 91 - 95 - F/A-18 Aviation Ordnance
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02-05-2012, 04:25 PM
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#4
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Moderator Emeritus
Join Date: Sep 2007
Location: Ontario, Canada
Posts: 4,327
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Watch the tire clearance at the top of the wheel well. Some campers (like our Rockwood 2605) don't have much clearance even with the stock diameter tires.
Dave
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Nights camped in 2013 - 55, 2014 - 105, 2015 - 63
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02-05-2012, 07:35 PM
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#5
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Lottery Non-Winner
Join Date: Jul 2011
Posts: 437
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Are you asking if you can put 15" tires on 16" rims?
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02-05-2012, 07:41 PM
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#6
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Senior Member
Join Date: Jan 2011
Location: Saint Cloud FL
Posts: 1,565
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Quote:
Originally Posted by Ovair
Are you asking if you can put 15" tires on 16" rims?
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I would hope not but from what I can gather they want to either fit 15" or 16" tire and rim combo under their 2306 - doubt it will work without some sort of a lift kit
I can tell you from what space I have under my 2306 - I highly doubt you will be able to fit 15" tires without some sort of a lift cause like Dave said there isnt much clearance - I have the 14" tire upgrade with the dual steps.
__________________
2011 Rockwood Mini Lite 2306 - Matt
2004 Dodge Ram 1500 Qaud Cab 4x4 with 35" tires and 3.92 gears, Dynatech Longtube Headers & Fabtech 6" lift + Superchips with shift Tuning
Nights Camped 2011 (37) - 2012 (16)-2013 (2) -2014 (5) -2015(0)
USMC 91 - 95 - F/A-18 Aviation Ordnance
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02-05-2012, 11:17 PM
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#7
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Senior Member
Join Date: Dec 2011
Location: Southwest Wyoming
Posts: 588
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I am sure from trailer to trailer is different. I am looking at doing it on a Grey Wolf 19rr. From my measurements it should have plenty of room to go up what I want to without a lift. The 19rr dosen't have the fender skirts which gives alot more room.
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02-06-2012, 01:01 AM
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#8
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Moderator Emeritus
Join Date: Nov 2008
Location: Winston-Salem, NC
Posts: 2,381
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If you change the tire/rim combination, make sure you check/adjust your hitch, to get your trailer back level when towing, assuming it is now. No, you can't put 16 inch tires on 15 in rims, or 15 inch tires on 16 inch rims. for that matter. You may have room to swap all the wheels and the tires to a larger size. Measure carefully.
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LadyWindrider
2012 Ford F250 ext. Cab 4x4
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02-15-2012, 10:18 PM
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#9
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Senior Member
Join Date: Feb 2011
Location: No longer own a Forest River product, but enjoy the info on this site
Posts: 309
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Quote:
Originally Posted by Geaux
on a 2306 rockwood tt/many more tires to choose from ,has any one tried this??.....I love this forum ya'll always help when questions are asked,very polite group of rvers.
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Based on my experience with A 2011 23LB (or 2306) I would say this is not a viable option in stock form. In looking at the photos of the 2012 models, I would say 'measure carefully, my friend.'
take a look-see under the camper to verify your clearance between the the top of the tire and the inner finder well (top, bottom, side - forward and aft. also verify the distance between the tires.
The distance between the tires does not allow for much room for a larger wheel. See photo below.
My recommendation - pick a great tire for your rim and enjoy the camper. without significant modification, this camper format is not suited for a tire with a significantly larger outer diameter.
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02-15-2012, 10:29 PM
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#10
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Senior Member
Join Date: Feb 2011
Location: No longer own a Forest River product, but enjoy the info on this site
Posts: 309
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found some photos
moved from the stock tires on the 13" rims to an off road tire on the 14" rims. the outer diameter of the new tire is 26.6"- this required a .5" lift on the camper.
Below are photos showing the comparison of the stock and new tires and the "after" photo of the camper.
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02-15-2012, 11:14 PM
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#11
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Senior Member
Join Date: Oct 2011
Location: NEPA
Posts: 1,477
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OK...I'm a Jeep guy, so don't get me wrong--I love off-road tires. But why would you need/want them on a towed vehicle? You're paying for traction that you'll never use...??? Am I missing something? You can get larger truck or trailer tires, probably in a better/higher load range, without the off-road tread, so why the gnarly meats? I mean, other than that they look friggin' cool?
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02-15-2012, 11:33 PM
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#12
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Senior Member
Join Date: Feb 2011
Location: No longer own a Forest River product, but enjoy the info on this site
Posts: 309
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Quote:
Originally Posted by Taranwanderer
OK...I'm a Jeep guy, so don't get me wrong--I love off-road tires. But why would you need/want them on a towed vehicle? You're paying for traction that you'll never use...??? Am I missing something? You can get larger truck or trailer tires, probably in a better/higher load range, without the off-road tread, so why the gnarly meats? I mean, other than that they look friggin' cool?
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These tires are the only 8 ply tires I could find for the 14" rims and still fit under the camper (with seemingly little modification). We ice-fish and hunt in conditions that require good traction and ability to handle sharp rocks that would slice normal trailer tires. In the conditions we camp in -- standard trailer tires are called " Fire Crackers "
'cause they go "pop"
My setup is definitely for everyone - but it works for us.
I wanted to show the OP that larger tires require modifications to the trailer and a tire requiring a 15" or 16" rim will likely not work on this format. (although on other Forest River products larger tire/rim combinations might be workable)
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02-15-2012, 11:36 PM
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#13
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Senior Member
Join Date: Jan 2011
Location: Saint Cloud FL
Posts: 1,565
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Quote:
Originally Posted by Taranwanderer
OK...I'm a Jeep guy, so don't get me wrong--I love off-road tires. But why would you need/want them on a towed vehicle? You're paying for traction that you'll never use...??? Am I missing something? You can get larger truck or trailer tires, probably in a better/higher load range, without the off-road tread, so why the gnarly meats? I mean, other than that they look friggin' cool?
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If I remember correctly Darren (Teamgl) does alot of Ice fishing and takes his camper across the frozen lake for one - am pretty sure he will chime in here and let ya know the other reasons as well
Well he chimed in after I posted this but am gonna leave it cause I was close to what I had figured LOL
__________________
2011 Rockwood Mini Lite 2306 - Matt
2004 Dodge Ram 1500 Qaud Cab 4x4 with 35" tires and 3.92 gears, Dynatech Longtube Headers & Fabtech 6" lift + Superchips with shift Tuning
Nights Camped 2011 (37) - 2012 (16)-2013 (2) -2014 (5) -2015(0)
USMC 91 - 95 - F/A-18 Aviation Ordnance
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02-16-2012, 07:57 AM
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#14
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Member
Join Date: Sep 2011
Posts: 74
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Going from 14" to 15" wheels usually is not a problem, as long as you do the measurements described above. The comment I want to emphasize is from 15" to 16". Most, except for the very heaviest 15" wheel is a five lug, and all 16" are six lug. Only way to overcome this is new hubs and brake drums, making it pretty expensive.
That's the problem I'm having. My trailer has 4K axles, using the biggest tire/wheel combo available, and still keep the 5 lug 15". Only alternative I can see is a better quality tire, but same size.
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2012 Signature 8285WS 2010 Ram 2500 w/Cummins
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02-16-2012, 08:01 AM
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#15
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Senior Member
Join Date: Oct 2011
Location: NEPA
Posts: 1,477
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Quote:
Originally Posted by teamgl
These tires are the only 8 ply tires I could find for the 14" rims and still fit under the camper (with seemingly little modification). We ice-fish and hunt in conditions that require good traction and ability to handle sharp rocks that would slice normal trailer tires. In the conditions we camp in -- standard trailer tires are called " Fire Crackers "
'cause they go "pop"
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Man, I wanna go camping where you go camping!
__________________
2015 XLR Hyperlite 30HFS5 (mods being performed regularly)
2009 Salem LA 292fkds (gone)
Nights- ('12)23 ('13)23 ('14)15 ('15)31 ('16)27 ('17) 20 (‘18)21 (‘19)23
2019 Honda CRV (camping support vehicle)
2014 Harley Davidson FLHX (XLR cargo)
2011 Ram 2500 CC 4X4 CTD, B&W Companion (toy hauler hauler)
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02-16-2012, 10:05 AM
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#16
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Moderator Emeritus
Join Date: Mar 2008
Location: St. Paul, Minnesota
Posts: 3,367
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Quote:
Originally Posted by teamgl
These tires are the only 8 ply tires I could find for the 14" rims and still fit under the camper (with seemingly little modification).
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Kumho Radial 857
Just put a set of these on; 8 ply and speed rated Q (99mp). Yep, it's a trailer tire.
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02-27-2012, 09:33 PM
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#17
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Senior Member
Join Date: Jun 2011
Location: Big brown desert
Posts: 3,003
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I had to upgrade to the kumho's as soon as I bought my new TT because the c load rating that came on it was within 150 lbs of max weight with the trailer empty! Don't know what forest river was thinking when they did that. Anyways, the kumho's in the d rating work great and they just barely fit in the well's. Just remember to play around with the air pressures to see what's good for you. I keep mine around 50 psi and it doesn't make the trailer too bouncy. Might want to think about a tpms system too. I only have a single axle so it was a no brainer for me to get it but it's nice to see when a tire is going down vs. when it's too late.
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Just glad to get away
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02-27-2012, 10:03 PM
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#18
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Moderator Emeritus
Join Date: Sep 2007
Location: Ontario, Canada
Posts: 4,327
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Quote:
Originally Posted by HONDAMAN174
I had to upgrade to the kumho's as soon as I bought my new TT because the c load rating that came on it was within 150 lbs of max weight with the trailer empty! Don't know what forest river was thinking when they did that. Anyways, the kumho's in the d rating work great and they just barely fit in the well's. Just remember to play around with the air pressures to see what's good for you. I keep mine around 50 psi and it doesn't make the trailer too bouncy. Might want to think about a tpms system too. I only have a single axle so it was a no brainer for me to get it but it's nice to see when a tire is going down vs. when it's too late.
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That seems odd that the tire load rating would be that low relative to the trailer weight. The manufacturers usually supply tires with sufficient load to exceed the axle rating.
The load range 'D' tire should be aired up to 65 psi if you want the rated load. At 50 psi, they may not have any more load capability than the 'C' range tires they replaced.
Dave
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Nights camped in 2013 - 55, 2014 - 105, 2015 - 63
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02-28-2012, 09:50 AM
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#19
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Senior Member
Join Date: Jun 2011
Location: Big brown desert
Posts: 3,003
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Forest river's response when I called them on it was interesting: Well, if you subtract out your tongue weight and fully inflate the tires, then you will only be UNDER the weight capacity of your trailer by 50 pounds. By the way, we do not recommend fully loading your trailer.
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2014 Stealth Evo 2850- "Woodstock"
2011 Toyota Tundra Rock Crawler TRD 5.7- "Clifford"
2013 Honda Accord Coupe V6 w/Track Pack- "Julia"
Just glad to get away
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02-28-2012, 03:36 PM
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#20
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Moderator Emeritus
Join Date: Sep 2007
Location: Ontario, Canada
Posts: 4,327
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Quote:
Originally Posted by HONDAMAN174
Forest river's response when I called them on it was interesting: Well, if you subtract out your tongue weight and fully inflate the tires, then you will only be UNDER the weight capacity of your trailer by 50 pounds. By the way, we do not recommend fully loading your trailer.
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Surprised that Forest River didn't re-rate the camper's GVWR as not to overload the tires supplied. The GVWR of the camper seem to be calculated as the axle weight ratings plus the tongue/pin weight. In your case the tire load rating were 50 lbs less than the axle weight.
The campers tires should always be inflated to the maximum pressure noted of the tire's sidewall. Running less that rated pressure in the tires could lead to heat build up and tire failure.
Dave
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Nights camped in 2013 - 55, 2014 - 105, 2015 - 63
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