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Old 03-30-2010, 03:23 AM
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Default Shocks for Towing?

are there any type of "special" heavy duty springs for towing ?
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Old 03-30-2010, 04:32 AM
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Some trucks have "overload" springs that only compress once you've packed alot of weight on the truck. You can also add airbags to help if your squatting the truck too much.
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Old 03-30-2010, 04:59 AM
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Years ago, we were towing big loads with 3/4 ton pick ups, the springs used to squat after a while, so instead of adding or replacing leaves, we installed Timbren Suspension kits in the trucks
http://www.rubbersuspension.com/

I personally hated them! I thought they were dangerous. Everytime the suspension bottomed out on the rubber, the truck lost its ability to drive through a turn and became jerky. Like riding a gokart with no suspension at all.

We evolved to an air ride suspension kit http://www.airbagit.com/?gclid=CN-66...FclM5Qod_i4GDQ

These worked pretty well, we put the inflators in the rear bumpers and kept them at 90 psi for towing and 20 psi for not towing. ( assuming my memory is correct). What I didn't like about these is the mounting interfered with the Goose Hitch and some custom cutting and welding had to be done on the frame rails.

We eventually evolved to larger trucks and got rid of these things, which contiues to this day (moving to larger trucks), but you asked about shocks.

Shocks are tricky because I have a buddy that owns an auto parts store and he told me that most shocks are made by 1 or 2 places and the high end shocks are not much different than the stock shocks. I didn't believe him and installed set of high end Rancho's on my latest truck. I think they are far superior to the standard shocks, but I can't swear to it.

Maybe its more important to change shocks regularly than it is to buy the most expensive shocks you can find. Tough call. I'm no shock expert for sure. They can get complicated.
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Old 03-30-2010, 05:00 AM
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Quote:
Originally Posted by PelagicHunter View Post
are there any type of "special" heavy duty springs for towing ?

What kind of truck?
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Old 03-30-2010, 05:17 AM
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monroe makes shocks that are for heavy loads as well. something like load leveling shocks or something like that. i've got a set on mine and they help with the sag a bit but not much with the ride. they are really stiff
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Old 03-30-2010, 05:41 AM
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Shocks are motion dampers and provide no "lift" or support, except "load leveller" type, which have a coil-over spring on them. The big difference in shocks is the amount of motion dampening they provide, and the relative amount in both compression and rebound.
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Old 03-30-2010, 06:16 AM
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Quote:
Originally Posted by PelagicHunter View Post
are there any type of "special" heavy duty springs for towing ?
Did you end up getting a new truck? I think maybe I saw you had your boat hokked up to a diesel tow rig on another thread??

In my opinion this is where air springs shine. So if you stil have the Tundra then you are set....unless this is for something totally different.
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Old 03-30-2010, 07:22 AM
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no i still have the tundra which is what i use to tow my boat, that was my friends diesel 2500 hd duramax w/ allison tranny and it towed the boat effortlessly, the new airbags are awesome, i think it will completely fix the sagging on my truck. when i put a leveling kit on my truck and raised the front end 3 inches the azz sagging became very noticeable, so now i have the airbags i wanted to know if heavy duty shocks would help also
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Old 03-30-2010, 07:27 AM
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2007 toyota tundra 4 x 4 , 5.7 l v8, 6 speed transmission, trd off road package, 10,800 max towing capacity. this is the picture after the leveling kit was put on it, so it made the ass sit low when towing.




towing after the leveling kit, notice how the azz sits low, before it was fine b/c the azz sat 3 inches higher than the front, now that its leveled the azz sits 3 inches lower than the front, so i added firestone ride rite air bags from adivce given from dadriva and i think that will be the solution.



being towed by friends 2500 hd

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Old 03-30-2010, 08:45 AM
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WOW...look at it squat that Duramax!!!
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Old 03-30-2010, 09:45 AM
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I had a set of Bilstein H/D shocks put on to replace the Bilstein TRD shocks that came with the truck as after 70,000 miles or so, I was noticing my truck bouncing a few more times than I remembered.

The Bilstein Heavy Duty's were a bit stiffer and the extra bouncing has been eliminated.

My Dad, with me for my ride to FL to buy new trailer and new boat to tow back to MA, this was in Maryland somewhere, late May 2007;




5,000 lb boat/motor + 1,100 lb trailer = 6,100 lbs

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Old 03-30-2010, 06:17 PM
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I've got a set of Rancho RS9000 shocks on our Excursion. I set them all the way soft when not towing, on 3 or 4 when towing. I figured that I could just keep adjusting them for more damping as they wear, but after ~4 years I haven't seen any degradation in their performance. They work very well for me.
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Old 03-30-2010, 07:04 PM
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Air bags for keeping things level, better quality shocks such as Bilstein for better damping (keeping it from becoming a pogo stick).
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Old 03-31-2010, 05:58 AM
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I replaced my Rancho 9000's with the newer model Rancho 9000XL - beefier than the earlier ones, and they work really well. I tow a 12,000 lb boat trailer, and really like the adjustability. They also ride smoother when I'm not heavily loaded.
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Old 03-31-2010, 08:19 AM
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Quote:
Originally Posted by t500hps View Post
WOW...look at it squat that Duramax!!!
it did squat the duramax 3 inches, the duramax wasnt leveled so when the trailer was put on it the chevy sat level.....

the boat did the same thing to my truck as well, but since i lifted the front 3 inches when i put the trailer on it the azz went down to make it look the way it does
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Old 04-05-2010, 06:40 AM
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Another vote for the Ride Rites, wont have another truck with out them.
Every truck should come with airbags IMO
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