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Which springs to go with?

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Old 02-19-2019, 05:36 PM
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Which springs to go with?

Im needing to get a new set of springs to be able to haul my boat easier as you can see from the pic! I can sit on the tailgate and just about get on the overload. I was looking at the CS020R but im not sure i need that much spring, but this boat is a big pig. All i have in the front is spacers and its sitting at roughly 24” center axle to fender and rear is roughly 22.5.
Any input on what to go with would be appreciated.





Well here they are installed. I will get hooked up and see what it does in a day or so. Rear is sitting 1” higher than the front right now with just a single 3 mile trip




Last edited by Regency; 02-26-2019 at 06:18 PM.
Old 02-20-2019, 12:34 AM
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I'd recommend the zuk mod with the black magic 12" 125lb springs... I've put a pretty good load on mine without it squatting... and improved the ride tremendously...
Old 02-20-2019, 10:36 AM
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I'd do helper bags before the zuk mod. Besides the zuk mod being a little hokey, the bags will let you adjust to what you need for any load.
Old 02-20-2019, 11:15 AM
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Nothing hokey about the zuk mod... it's simply another option... despite some having negative replies I have done and am very satisfied with the results and I'm pretty picky...
we've owned lots of vehicles, from classic muscle cars, classic trucks, performance corvettes... and have been a 1st gen 4runner owner for nearly 30 years doing all my own repairs... and the zuk mod is a viable option...
Old 02-20-2019, 02:06 PM
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After some talks i went ahead and just ordered new OME CS019R spring set. Hope it works out! Should be done with old springs and not have to worry with if the springs ever break.
Old 02-20-2019, 02:09 PM
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Originally Posted by Regency
After some talks i went ahead and just ordered new OME CS019R spring set. Hope it works out! Should be done with old springs and not have to worry with if the springs ever break.
well the other ones lasted for 30+ years huh...
let us know how they work out...
Old 02-20-2019, 02:16 PM
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regardless of what springs you use, that boat isn't remotely a pig, which demonstrates how worn your springs are.
Old 02-20-2019, 04:05 PM
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Originally Posted by wallytoo
regardless of what springs you use, that boat isn't remotely a pig, which demonstrates how worn your springs are.
Prodigy 18/54 mud boat. They heavy, id like to bring it and get a weight. Hull itself measures a touch over 19’
Old 02-23-2019, 08:00 AM
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Curious about your height measurements with your worn out leaf springs.

I have OME Dakar mediums on my 93 xcab, paired with stock shackles and BJ spacers up front and 33x12.5 tires, and my current broken in ride height is 22.5” center axle to bottom fender on all 4 corners

I would consider airbags too, have had them on work trucks that haul stuff and they worked great
Old 02-23-2019, 10:32 AM
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Originally Posted by highonpottery
Curious about your height measurements with your worn out leaf springs.

I have OME Dakar mediums on my 93 xcab, paired with stock shackles and BJ spacers up front and 33x12.5 tires, and my current broken in ride height is 22.5” center axle to bottom fender on all 4 corners

I would consider airbags too, have had them on work trucks that haul stuff and they worked great
I didnt touch the front other than BJ spacers, so previous owner likely turned up the bars a tad.
The rear i used a combo of 2wd and 4wd leafs. I have a 2wd main leaf on it and from what i remember the wrap of the eyelet comes off the bottom and the 4wd is wrapped to center.
Old 02-23-2019, 11:08 AM
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Originally Posted by highonpottery
Curious about your height measurements with your worn out leaf springs.

I have OME Dakar mediums on my 93 xcab, paired with stock shackles and BJ spacers up front and 33x12.5 tires, and my current broken in ride height is 22.5” center axle to bottom fender on all 4 corners

I would consider airbags too, have had them on work trucks that haul stuff and they worked great
So you have the 19R leafs?
How do they react to trailer load?
Old 02-25-2019, 11:49 AM
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I don't ever haul any trailers with my truck, but I do load up with mulch, compost, etc at the landscape supply, which is at least 800-1000lbs in the bed. Handles it great, it does drop down an inch or two but that's normal given the load I'm carrying.
Old 02-26-2019, 06:28 PM
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Tried to remove the clamshell but ran into more problems. Not sure what im going to do at this point but ive got it together for the time being.
Spring perch is roughly 3-1/16 wide and springs are roughly 2-3/8 wide.
Bushings i made were .849 od x .550 id x .510 h






Old 02-26-2019, 10:48 PM
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Looks good...
why not use the k10 to pull the boat.... nice truck
Old 02-27-2019, 04:59 AM
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Originally Posted by 87-4runner
Looks good...
why not use the k10 to pull the boat.... nice truck
Thats a friends truck im doing some work on for him. I wish it was mine to use
Old 02-27-2019, 02:59 PM
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i know its a light boat but is that hitch is seriously only attached with 2 bolts on each side?
been towing for 35+ years and well to me it looks like it could use a bit more attachment points

Last edited by dropzone; 02-27-2019 at 03:00 PM.
Old 02-27-2019, 04:33 PM
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Pic is a tad decieving but right now it sits level with the boat hooked up. Drops about 1.75 when i hook up to the boat. Hope itll settle down some, i dont really want to raise the front anymore
Old 02-27-2019, 04:38 PM
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Originally Posted by dropzone
i know its a light boat but is that hitch is seriously only attached with 2 bolts on each side?
been towing for 35+ years and well to me it looks like it could use a bit more attachment points
Yes only 2 per side. Only thing i think it needs is a plate from top to bottom of the frame. Ive seen many with only 2 bolts and thinner material, so im not just overly concerned with it. I check it often to make sure its still going strong.
Old 02-27-2019, 04:57 PM
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OME mediums with OME bushings. Now if that front spring perch has 14mm bolt, do the chevy spring.
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