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05-08-2008, 08:08 PM
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#1
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Junior Member
Join Date: Apr 2008
Posts: 10
SUN #564
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1st Mods. Axle Flip & Maxxairs
Just couldnt wait to do the axle flip, wow what a difference & the vents should do a much better job too. takin her out this weekend
Before
After
Vents W Maxxairs
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1996 Sunline T2052
1999 Dodge Ram 2500 CTD
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05-09-2008, 10:40 PM
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#2
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Moderator
Join Date: Nov 2006
Location: Ohio
Posts: 12,656
SUN #89
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Marky
You are moving right along. And looking good too.
Thanks for posting the pic's
Good luck camping
John
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Current Sunlines: 2004 T310SR, 2004 T1950, 2004 T2475, 2007 T2499, 2004 T317SR
Prior Sunlines: 2004 T2499 - Fern Blue
2005 Ford F350 Lariat, 6.8L V10 W/ 4.10 rear axle, CC, Short Bed, SRW. Reese HP trunnion bar hitch W/ HP DC
Google Custom Search For Sunline Owners Club
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05-10-2008, 04:58 AM
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#3
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Senior Member
Join Date: Nov 2006
Location: New York
Posts: 2,909
SUN #93
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Nice mods and a clean roof to boot!
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Kathy & Leo SUN 093
Central Adirondacks of New York
2013 Rubicon 2900 Toy Hauler
We loved our 2007 T-2499
2010 Ford F-350 4x4 Lariat Super Crew Dually Diesel
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05-11-2008, 04:53 PM
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#4
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Junior Member
Join Date: May 2008
Posts: 2
SUN #598
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Looks Great
I have a 1984 T2100. What is the procedure for the axle flip? I am mechanical and would do it myself. Thanks for your help.
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05-11-2008, 07:23 PM
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#5
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Senior Member
Join Date: Sep 2006
Location: California
Posts: 141
SUN #44
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axle flip
Therib211,
You can go to www.dexteraxle.com and they will have all the info you'll need. Provided you have a dexter axle.
Joe
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2005 Sunline T2553
2007 Chev 2500HD Duramax/Allison
Hensley Arrow Hitch
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05-12-2008, 02:37 PM
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#6
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Junior Member
Join Date: Apr 2008
Posts: 10
SUN #564
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Thanks for the replys, did the roof with camco rubber roof cleaner. had the axle work done at a local machinery shop by a friend. The trip went great, but my bike carrier with 3 bikes twisted my rear bumper thought it could handle it but it was weaker than I figured. anyone ever have this problem with the bumper or replace with a stronger one
Mark,
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1996 Sunline T2052
1999 Dodge Ram 2500 CTD
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05-12-2008, 02:52 PM
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#7
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Senior Member
Join Date: Apr 2007
Location: New York
Posts: 1,846
SUN #264
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Quote:
Originally Posted by marky
Thanks for the replys, did the roof with camco rubber roof cleaner. had the axle work done at a local machinery shop by a friend. The trip went great, but my bike carrier with 3 bikes twisted my rear bumper thought it could handle it but it was weaker than I figured. anyone ever have this problem with the bumper or replace with a stronger one
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Sunline intentionally fabricated the rear bumpers to hold only about 100#. They wanted to keep extra weight off the rear end of the trailer whenever possible so that folks would not put too much weight on the bumper so that it would begin to unload the tongue weight.
The principle is the same as a teeter-totter. The farther away from the balance point that you sit, the easier it is to lift the person on the other end.
JohnB worked with Sunline regarding weight on the rear end of his 2499, and they ulitmately sent him a letter approving the extra weight back there. But he had to jump through a few hoops to prove his plan to them and he balances his trailers very well. In JohnB's case, it wasn't the bumper but an extension to carry some aluminum cargo boxes. If you use the search function, you can locate that thread and learn more about all this.
There are also several discussion threads dealing with the Sunline rear bumper situation. Worth finding and reading.
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'12 F250 4x4 Super Duty PowerStroke 6.7 diesel
2011 to present: '11 Cougar 326MKS
1999 to 2011: '99 Sunline T-2453
SUN264 * Amateur Radio kd2iat monitoring 146.52
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05-14-2008, 05:42 PM
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#8
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Senior Member
Join Date: May 2008
Location: Ontario
Posts: 663
SUN #597
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Levers
If I remember some physics correctly: mass x distance from fulcrum = downward force. Three bikes on a typical receiver type bike carrier are levered way off the back of the bumper and exert a considerable torque on that bumper. Then hit a couple of bumps too...
I see bikes hung off bumpers all the time--some may be stronger, but Sunline's is pretty typical and not a design flaw, as Steve pointed out. You can even buy a bike rack that hangs off the spare tire, but that wouldn't be any better. So... there is certainly lots of info out there that would mislead campers into thinking it's safe to carry bikes on the bumper.
Hope you can get it straightened out ok.
Henry
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2019 F150 3.5L Max Tow
2014 Arctic Fox 22G
2005 Sunline T-2499
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05-15-2008, 08:00 PM
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#9
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Moderator
Join Date: Nov 2006
Location: Ohio
Posts: 12,656
SUN #89
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If your Sunline bumper looks like this, it will not take much load to twist it.
What you are seeing here is a 1/8 inch plate stitch welded to the bumper. Behind that plate are 2 very large holes to allow the head of the 3/8” carriage bolt heads to pass thru them. The bolts only hold that thin plate to the TT frame. If you put much torque on the 4” square bumper and that plate will be the first thing to twist and or break loose. This is how the 100# overload bumper is made. Sunline went to great lengths to make it this way on purpose.
Hope you get your issues fixed. Good luck
John
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Current Sunlines: 2004 T310SR, 2004 T1950, 2004 T2475, 2007 T2499, 2004 T317SR
Prior Sunlines: 2004 T2499 - Fern Blue
2005 Ford F350 Lariat, 6.8L V10 W/ 4.10 rear axle, CC, Short Bed, SRW. Reese HP trunnion bar hitch W/ HP DC
Google Custom Search For Sunline Owners Club
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05-18-2008, 06:44 AM
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#10
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Junior Member
Join Date: Apr 2008
Posts: 10
SUN #564
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Henry, you are right on, it was the location of the weight up high applying torque not the actual weight. (Mi. roads are Awfull )
John, my bumper is diff. than that one, it has a channel welded to it that slides into another piece welded to the frame rail.
I am working on a new bumper now (will post pics. when done)
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1996 Sunline T2052
1999 Dodge Ram 2500 CTD
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05-18-2008, 11:49 AM
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#11
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Moderator
Join Date: Dec 2006
Location: Michigan
Posts: 6,155
SUN #123
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Quote:
Originally Posted by marky
(Mi. roads are Awfull )
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You can say that again! Heck, say it three or four times!
Jon
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2007 T-286SR Cherry/Granola, #6236, original owner, current mileage: 9473.8 (as of 6/18/21)
1997 T-2653 Blue Denim, #5471
1979 12 1/2' MC, Beige & Avocado, #4639
Past Sunlines: '97 T-2653 #5089, '94 T-2251, '86 T-1550, '94 T-2363, '98 T-270SR
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