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03-21-2015, 12:03 AM
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#1
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Junior Member
Join Date: Mar 2015
Location: FV NC
Posts: 19
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need shocks on 1500 Sierra
Just got back from a trip up I95, truck bounced considerably, would different shocks help? my 2012 Sierra 4 x 4 has stock shocks please help,
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03-21-2015, 12:10 AM
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#2
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Monroe sensa trac shocks!
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03-21-2015, 03:49 PM
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#3
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Senior Member
Join Date: Mar 2015
Location: Alabama
Posts: 189
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Try Bilstein HD shocks. I just replaced all the oem on my 2010 f150 4x4 and have been very pleased. My ride is actually much better over bumpy roads and night and day difference towing my 8300 lb trailer. You will pay slightly more for these premium shocks but I have not had any regrets and my wife says I am a research addicted fanatic. I have 20 inch wheels.
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03-21-2015, 07:31 PM
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#4
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Senior Member
Join Date: Mar 2013
Location: Amelia, Ohio
Posts: 144
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Bilstein 5100's
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Dennis, Linda, and Scout the Dog (RIP)
2015 Mesa Ridge 347 RES
Curt A20
2020 Ram 3500 Dually with HD Cummins TD
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03-21-2015, 07:33 PM
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#5
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Senior Member
Join Date: Sep 2013
Location: Idaho
Posts: 9,839
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Are you running "P" tire or LT's?
If P dump them and gat a set of LT's to your liking.
Coil springs in the back?
https://www.google.com/#q=timbren+suspension
__________________
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
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03-22-2015, 02:56 PM
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#6
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Member
Join Date: Apr 2014
Posts: 78
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On our 1500 Silverado, Rancho 5000 shocks and Goodyear Wrangler's w/Kevlar made all the difference when towing our toy hauler.
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03-22-2015, 03:15 PM
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#7
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Senior Member
Join Date: Jan 2011
Location: Part Timing It Now
Posts: 3,455
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Quote:
Originally Posted by mrmjbenn
Just got back from a trip up I95, truck bounced considerably, would different shocks help? my 2012 Sierra 4 x 4 has stock shocks please help,
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Attended an automotive seminar once and learned that OEM shocks have a life expectancy of 50,000 miles and should be replaced. This was from a representative of KYB which make OEM shocks for the majority of US manufacturers (of course each manufacturer has their own label but, are most likely made by KYB). When I learned this, I replaced the shocks on my (then 2002 Chev. Silverado 1500HD 4X4) with Gabriel Ultra's from Auto Zone and WOW.......what a difference in the ride and handling I noticed immediately (with and without the TT).
Just my $.02 
P.S. I plan on doing the same on my Cummins soon because I've noticed excessive bounce when the 5'er is loaded.
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 "PT Crew Members Since 9/2010"
2011 RAM 2500 HD 6.7L CTD Crew
2014 Prime Time Sanibel 3250
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03-22-2015, 03:58 PM
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#8
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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Quote:
Originally Posted by Ford Idaho
...Coil springs in the back?
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Think GM did away with coil springs on pickups in 62 model year. 63's had leaf springs IIRC.
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03-22-2015, 04:25 PM
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#9
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Senior Member
Join Date: Jul 2010
Posts: 2,031
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Was it bounce or porpoising?
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Terry and Janet
2008 3001W Windjammer
2007 Ford F150
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03-22-2015, 07:08 PM
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#10
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Phat Phrog Stunt Team
Join Date: Apr 2012
Location: Tipp City, OH
Posts: 7,154
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need shocks on 1500 Sierra
Quote:
Originally Posted by OldCoot
Think GM did away with coil springs on pickups in 62 model year. 63's had leaf springs IIRC.
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I think you're off by a decade. Pretty sure they had coils in early 70's and I know my '66 had coils.
Sent from my iPhone using Forest River Forums
__________________
2016 Georgetown 364TS
2017 Jeep Rubicon Recon toad
Nights Camped 2019 - 17
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03-22-2015, 07:11 PM
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#11
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by OldCoot
Think GM did away with coil springs on pickups in 62 model year. 63's had leaf springs IIRC.
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Trail arm suspension!
Nascar still uses it! :sly::sly:
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03-22-2015, 07:16 PM
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#12
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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Quote:
Originally Posted by AquaMan
I think you're off by a decade. Pretty sure they had coils in early 70's and I know my '66 had coils.
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Should have been more specific, they discontinued them in 63 came back in 67 and dropped them entirely in 72. There are kits for 63 -87 to go back to coil/trailing arm suspension. Why anyone would want to go that way unless just for ride and show.
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03-22-2015, 07:25 PM
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#13
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Phat Phrog Stunt Team
Join Date: Apr 2012
Location: Tipp City, OH
Posts: 7,154
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Quote:
Originally Posted by OldCoot
Should have been more specific, they discontinued them in 63 came back in 67 and dropped them entirely in 72. There are kits for 63 -87 to go back to coil/trailing arm suspension. Why anyone would want to go that way unless just for ride and show.
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You're still wrong.  I had them on my '66 Chevy with step sides, 250ci straight six and 3 speed with a creeper.
__________________
2016 Georgetown 364TS
2017 Jeep Rubicon Recon toad
Nights Camped 2019 - 17
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03-22-2015, 07:45 PM
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#14
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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Ok, I guess the C10,20 had coils and didn't the K10,20 had the leaf springs? I know Chevy didn't have them all that long.
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03-23-2015, 08:51 PM
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#15
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Junior Member
Join Date: Mar 2015
Location: FV NC
Posts: 19
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Thanks to everyone for all the info. What is porposing and what is the difference between that and bouncing
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03-23-2015, 09:19 PM
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#16
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Senior Member
Join Date: Apr 2013
Location: Idaho
Posts: 2,058
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Quote:
Originally Posted by mrmjbenn
Just got back from a trip up I95, truck bounced considerably, would different shocks help? my 2012 Sierra 4 x 4 has stock shocks please help,
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Shocks could help, but how many miles and what is the load. However, bouncing is usually attributed to bad shocks.
Quote:
Originally Posted by john.tucson
On our 1500 Silverado, Rancho 5000 shocks and Goodyear Wrangler's w/Kevlar made all the difference when towing our toy hauler.
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My 2015 Silverado Z71 came with Ranchos shocks and Goodyear SR-A (POS TIRE) but I complained to GM corporate that the Z71 was advertised with All-Terrain tires and SR-A are not AT tires. Darn if GM didn't agree and have the dealer install a set of Goodyear Wrangler AT Kevlars and what a difference in the ride. (And what a difference in the traction too!)
__________________
Trailer: Lifted 228BH, heavy duty springs and Yokohama tires DELAMINATED ROOF
TV: 2016 GMC Sierra Z71 4x4 CC, SLT
Spare TV: Two Alaskan Malamutes
Living somewhere in ID; previously lived in Moab UT; previous to that, don't ask!
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03-24-2015, 08:46 AM
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#17
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Senior Member
Join Date: Jul 2010
Posts: 2,031
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Porpoising is causes by the WDH being too weak for the weight of the the trailer. It is similar to bounce. If you are not getting bounce with out the trailer installed then it could be caused by a WDH being too weak causing the TV to bounce. It will act just like a porpoise swimming thus the term porpoising.
__________________
Terry and Janet
2008 3001W Windjammer
2007 Ford F150
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03-24-2015, 02:24 PM
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#18
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Senior Member
Join Date: Sep 2014
Location: Western AZ
Posts: 2,404
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is this empty? if so they make a bushing to replace the rear oem leaf spring bushing.Made for trucks because they are so light in the back they bounce to much. check with your local tire/alignment shop. used to be called soft ride or something like that. my 2c on Ranchos/KYBs/Bilsteins they are way to harsh if you have no load. Newer trucks are made to have a better ride. if you like the harsh ride then it is ok to get a stiff shock. Someone mentioned. Monroe Sensatrack and they may give you a better all around ride. Again check.with the local tire shop or 4x4 accessory shop.
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