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Here's a simple question that may have already been addressed but I don't have time to read through 79 pgs of posts and the search didn't find anything. I have a 68 swb with coil rear springs. It sits unlevel so I think I need to replace the springs. What's the best replacement coil spring to get the best ride on a stock height truck? No racing or hauling, just driving. Thanks.
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Earlier, when talking about x braces, what about the 60-62 x-frame; would it be enough in its stock form to negate the need for boxing and x bracing?
http://67-72chevytrucks.com/vboard/a...1&d=1426084684 |
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My 65 is already on a 62 swb frame. I was considering putting it back on a 63-66 frame, but after reading in these forums, I was wondering if I am further ahead just keeping my 65 on the 62 frame. |
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Looking for suggestions on suspension modifications for my 57 dubl-duti. Has a small block 350 and auto overdrive tranny. 104" wheelbase 3/4 ton.
Thanks, Dan |
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So how much shorter are you guys going with steering colum on the 67-72 with the No Limit Wide Ride front kit?
I cut 3" off so far and I am thinking another 2 will be needed. Want to push the steering wheel forward a bit while shortening the stickout past the firewall. |
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Man, you guys are way more advanced than I am. I am working on my 87 short bed and really want to make it handle. My dream would new crossmembers, coilovers front and rear, big sways etc but I will never be able to afford that. One of my daily drivers is a supercharged newer Camaro with a bunch of suspension mods and I love it.
My 87 has CPP tubular uppers with Moog BJ's, completely rebuilt lower arms with 1" Belltech springs and I have a 1-3/8" sway bar that I have not installed yet. All of the other front suspension is brand new. The truck rides great in the front but HORRIBLE in the rear. Like really hard. I know it's an old truck and won't ride like a caddy but this is to the point where I think something is very wrong with the rear leafs or there is some kind of bind. I've asked other people with squares if I could push down on their truck in the rear and I can move theirs up and down. If you try to push down on mine, it doesn't budge. I hate it. Should I remove a leaf? Ii put new AC Delco rear "Stock replacement" shocks on the rear and it did not change it. I have Eibach 2" drop shackles on it now and they did not alter the ride at all. I would love the Ridetech rear mono-leaf springs but at $800+ for them, I can't swing that. Are there any other things I can do? Any donor trucks with the same leafs that I can make a "Bastard pack" out of that will ride better? A good 4 link rear coilover kit that doesn't require a frame c-notch? |
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Try to stick with a reasonable aproach, and you'l get good results. If you start with the leafs, lets say that the top spring with the eye is #1, and the count down from there to the shortest #6. Keep 1,2, & 3. pull #4, keep #5, pull #6. Use a hand gringer/sander to round off and radius the ends of the springs. Get some teflon liner to put between the leafs (speedway, Eaton, ..) and reassemble. Call Helwig and get a 1" rear sway bar. From RideTech, use pt # ARK2004, with a shrader fill kit. ~Thats Rob's quote from page 18 of this thread. When you tighten the bolts that run through the eyelets of the springs, the vehicle's tires need to be on the ground to prevent preloading/bind.
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Take a look at out 73-87 FatBar rr suspension kits. - you do have to weld brackets to the axle.
***My 87 has CPP tubular uppers with Moog BJ's, completely rebuilt lower arms with 1" Belltech springs and I have a 1-3/8" sway bar that I have not installed yet. All of the other front suspension is brand new. The truck rides great in the front but HORRIBLE in the rear. Like really hard. I know it's an old truck and won't ride like a caddy but this is to the point where I think something is very wrong with the rear leafs or there is some kind of bind.*** Probably not in a bind, just how it was made. a 1/2 ton was expected to carry 1000 lbs of cargo, + 150 lbs of tools/support gear (GM spec) AND three (yes three) adults (so another 600 lbs. You could est that 1/2 of the weight of people and tools would be carried on the front suspension (so about 375) but then they built the rear to carry another 1375 ABOVE the empty truck. (not counting the overloads, or HD trailer springs). You need to reduce the spring rate if you want it to ride good. you can try pulling a leaf or two. One of the longer ones and a shorter one. a little wrench time, but no $$. (well, probably a new center bolt) - you can use an allen head cap screw. |
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I'm building a 68 c10 swb, I'm thinking I wanna go coil o era front and rear (no limit setups for both ends), what's the advantage of spending this kinda money vs semi stock suspension ( itll be lowered, tubular a arms and tubular trailing arms)? They're is no road course racen up here in the north east... thanks
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No Limit Chassis Pack has both front and rear suspensions, motor mounts, trans mount and a P/B kit for your truck. Price is $5195. This will net a 5/7 drop. Using Ridetech or Viking coil-overs. Keep in mind this includes new 12" front brakes, a power rack and pinion steering and front sway bar. Some welding is required for the rear suspension install. (if you choose a 4-bar) no welding with the Trailing arm package. There is a 3" gain in front ground clearance at the bottom of the crossmember and the total IFS swap cuts 215 lbs. The motor will go up 1" (for rack and pinion clearance) so the exhast may need to be modified. From one popular manufacturer I was able to piece together a front and rear suspension package with coil-overs, drop spindles, dick brakes and a front sway bar. $4636 These parts bolt directly to the OE mounts on the truck. they advertise this as a 4/6 drop. No steering upgrade. This company has mixed reviews. Stock mounts means stock geometry so the performance improvements are minimal - but, the new A-arms would have new bushings and ball joints which would tighten up the truck compared to 50 yr old parts. Another site had a package for $5725. This is for front suspension (Drop spindles, A-Arms and coil-overs and mounts) and a complete rear trailing arm set up with coil-overs. No brakes in front and no steering upgrades. This company is well known and has a reputation for quality USA made parts. 100% bolt-on install. Again, with all OE mounting points, the suspension geometry is very close to stock (except lowered) the crossmember clearance is the same, as is the motor placement. One advantage (for some) of the 'bolt on upgrade' kits is that they can be purchased one piece at a time, so you can step in a little at a time. Where as with a total front or rear suspension upgrade, it all has to be changed at one shot. (more cash up front) **** I discuss this with a lot of people all of the time. The one thing that most of us forget is how old these trucks really are. The geometry of a 67-72 suspension is really the same as a 60-62 (I know, I know, not the same, but, the suspension pivit points are identical, and so is the spindle geometry). These were first for sale in mid 1959. 8 months of pre-production, 9 months testing, 1 yr tooling, 1 yr engineering, and 1 yr design puts the technology date of these somewhere in 1955. Yes, the suspension geometry on a 67-72 chey truck was put on paper in 1955. So, as far as the tech goes, your C10 is from the fifties. Worse yet, this geometry design stayed until 1988. So, the last squarebody in 1987 had the same basic geometry (yes, updated with rubber bushings and disk brakes, but the same geometry) as the 1960, designed in 1955. So, in reality, how good do you really think bolt on parts can improve this? And, how far do you want to go? You don't need to go road racing to want a nice driving truck. Food for thought. Thanks **** |
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Thanks for the response rob!! So what I'm getting from this, is that coil overs front and rear (again no limit setups, most likely the 4 bar and the ifs system). The kit I'm looking at on your site came out a little more then you mentioned, do to ls mounts and what not, which is no big deal. Does this also include rear brakes? I didn't see any options.
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Should my track bar mount be here or below the lowering block?
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Hi Rob, thank you for this mass of info and for the fantastic parts! Do you make a kit for a frame mounted master cylinder for 72 c10? I saw it in one of your chassis videos and it looks like the exact setup I want.
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