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#1
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Ive got 5000#bags on my sierra with air lifts auto leveling system. My toy hauler has a 3500 king pin weight and i just put a pressure gauge inline to just see what i am getting hooked up. 130psi. Safty valve will blow off when i hit a good size bump or dip. Question is how do i reduce that psi. I see max reccomended psi is 100 An add a leaf? Or just jump to their 7500# bags?
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Truck 1 05 lly ccsb Chevy summit white color matched everything Duramaxtuner dsp5 efi live S&B full intake 3" mbrp down pipe 5" mbrp exaust Pro fab tow flow up pipes lml drivers Manifold Head studs Ported and polished stock turbo with a batmowheel. Full pro-fab egr delete with LBZ you bridge LBZ intake runners MA welded water pump MA motor mounts MA t case bace and pump rub Airdog 165 lift pump 05 dodge aam 9.25 front axle trussed and 4 linked on king Coilovers 4.56 gears Deaver springs king bypasses out back 37x12.50r20 toyo mt Truck 2 05 lly ccsb Gmc summit white 4" mbrp straight pipe coated black Afe blade runner 285 duratracs Cognito leveling kit with fox 2.0 shocks Reese elite 18k slider 5th wheel hitch |
#2
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Not sure if you're running an ccsb or ecsb or cclb or what year etc. but If you're putting 3500 lbs of king pin weight on your 2500hd truck your way over payload capacity and probably axles as well not including passengers and other cargo. You should really be looking at a 1 ton srw to stay legal.
If you don't care about that then yes upgrade to the 7500's. 130 psi is too much for those bags. Sent from my SM-G930W8 using Tapatalk |
#3
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Are you trying to keep the ride height too high? What if you adjust the auto level system so the rear end sits 1.5" lower?
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2008 GMC duramax crew cab short bed 2500. 10.98@124mph Thanks to Mike L, SoCal Diesel, and Abel Chevorlet. Tailgate Crew Member #1 |
#4
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My pin weight is 2,500#. (by my math)
I have AirLift 5000 on mine. I run 80 psi in the bags to keep the truck level while towing. Not sure if that helps, but to jump from where I'm at not to add another 1,000# to my pin? I would need to do something very different to my set up. This weight ticket is from the 2003 truck, I have yet, to scale (or pull the RV with) the 2015, but I installed AirLift 5000s on that as well. I would think my pin weight would be very similar.
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2003 GMC Sierra CCSB. LBZ / Six speed / EGR Delete / DSP5 with tuning from Idaho Rob @ ATP Trucks / Bilstein 5100s / Air Ride 5000 bags / Merchant Reman Tcase / TNR head unit. 2015.5 Denali. Dmax Allison / Exergy Sportsman CP3 / WCFab "Y" Bridge with cold air bundle / WCFab 3" downpipe / LB7 up pipe / 4" Flo Pro exhaust / FASS 150 / Sump / AirLift 5000 bags with WirelessOne on board air / B&W Turnover ball / AMP Research power steps. |
#5
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05 Ccsb lly. I set it up so it would have 10lbs in in unloded as per instructions i could lower it an inch and see what i get. Ive only goy a 4 +1 leaf in the back. Buying a differnt truck is out of the question lol
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Truck 1 05 lly ccsb Chevy summit white color matched everything Duramaxtuner dsp5 efi live S&B full intake 3" mbrp down pipe 5" mbrp exaust Pro fab tow flow up pipes lml drivers Manifold Head studs Ported and polished stock turbo with a batmowheel. Full pro-fab egr delete with LBZ you bridge LBZ intake runners MA welded water pump MA motor mounts MA t case bace and pump rub Airdog 165 lift pump 05 dodge aam 9.25 front axle trussed and 4 linked on king Coilovers 4.56 gears Deaver springs king bypasses out back 37x12.50r20 toyo mt Truck 2 05 lly ccsb Gmc summit white 4" mbrp straight pipe coated black Afe blade runner 285 duratracs Cognito leveling kit with fox 2.0 shocks Reese elite 18k slider 5th wheel hitch |
#6
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I have the same air lift setup on my truck and also have it adjusted where it has 5-10 psi when empty. I have to readjust the sensor some when I hook my fifth wheel up to where it is around 75 psi. If not mine would be over 100 also. I’m not sure what my pin wt is but it’s nothing near 3500#.
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Kyle 2019 2500HD Z71 Custom Sport Edition L5P 2006 White Silverado LBZ, CC/SB 4x4 EFILive by JoshH, MBRP, S&B, Transgo Jr., AirDog 150, ProFab EGR Delete & Downpipe 2018 3500HD SRW CCLB 4x4 6.0L gasser ![]() |
#7
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Correction its 3100# but its still up there. Anyone think if i do an add a leaf it will lighten the load on the bags? Dont really want to move the sensor around a bunch
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Truck 1 05 lly ccsb Chevy summit white color matched everything Duramaxtuner dsp5 efi live S&B full intake 3" mbrp down pipe 5" mbrp exaust Pro fab tow flow up pipes lml drivers Manifold Head studs Ported and polished stock turbo with a batmowheel. Full pro-fab egr delete with LBZ you bridge LBZ intake runners MA welded water pump MA motor mounts MA t case bace and pump rub Airdog 165 lift pump 05 dodge aam 9.25 front axle trussed and 4 linked on king Coilovers 4.56 gears Deaver springs king bypasses out back 37x12.50r20 toyo mt Truck 2 05 lly ccsb Gmc summit white 4" mbrp straight pipe coated black Afe blade runner 285 duratracs Cognito leveling kit with fox 2.0 shocks Reese elite 18k slider 5th wheel hitch |
#8
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I only have to move it about 1/2”. Once I figured out where it needs to be it’s an easy adjustment. Hook up the trailer, slide it down. Unhook, and slide it back up.
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Kyle 2019 2500HD Z71 Custom Sport Edition L5P 2006 White Silverado LBZ, CC/SB 4x4 EFILive by JoshH, MBRP, S&B, Transgo Jr., AirDog 150, ProFab EGR Delete & Downpipe 2018 3500HD SRW CCLB 4x4 6.0L gasser ![]() |
#9
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Thats not bad at all ill have to play around with that next time i hook up to it
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Truck 1 05 lly ccsb Chevy summit white color matched everything Duramaxtuner dsp5 efi live S&B full intake 3" mbrp down pipe 5" mbrp exaust Pro fab tow flow up pipes lml drivers Manifold Head studs Ported and polished stock turbo with a batmowheel. Full pro-fab egr delete with LBZ you bridge LBZ intake runners MA welded water pump MA motor mounts MA t case bace and pump rub Airdog 165 lift pump 05 dodge aam 9.25 front axle trussed and 4 linked on king Coilovers 4.56 gears Deaver springs king bypasses out back 37x12.50r20 toyo mt Truck 2 05 lly ccsb Gmc summit white 4" mbrp straight pipe coated black Afe blade runner 285 duratracs Cognito leveling kit with fox 2.0 shocks Reese elite 18k slider 5th wheel hitch |
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