S10 rear lowering, best way to keep traction/avoid wheel hop

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S10 rear lowering, best way to keep traction/avoid wheel hop

Postby Nick_R_23 » Sat Oct 14, 2017 4:05 pm

I found an 8.8 rear for my 1991 S10, and while I am busy putting that in there, I want to get the rear end set up since it'll be all torn apart anyways. I'd like to do as much as I can to eliminate wheel hop or traction issues from the start.

The truck is a 1991 2WD SCSB, likely around 400hp, and will be 99% street truck. I want to lower it, but nothing ridiculous, probably a 2" front (spindle) and 3" rear (spring). My first inclination is to run the Belltech 3" drop spring and low-pro Caltrac bars. I know Caltrac makes a 2" drop monoleaf, but that seems to be a more drag oriented setup, not street, and would also require a 1" block. Not a deal breaker but if I can avoid blocks it would be nicer. I've looked into 3 or 4 links and while I think that will be ideal, I think it's overkill for what I'm doing. What's the hot ticket to getting these to hook on the street?

Edit: I noticed that Sunmit has their own brand of 3” springs and Western chassis has both 3” AND 4”! Does anyone have experience with these?
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby lowblazin94 » Sat Oct 14, 2017 7:49 pm

Do the Calvert split mono 2" springs and their traction bars. A 1" block is just fine with the traction bars.

Split monos are fine on the street, they ride good in my opinion.

275/60/15 tires and you will be good. You can box and brace the frame if you want to go that far
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby Nick_R_23 » Sat Oct 14, 2017 8:03 pm

How well do the Belltech/Summit/Western springs ride or function compared to the Calvert split monos? The reason I’m shying away a bit from the Calvert springs is depending on how the truck looks at 2”/3”, I might drop another inch since I haven’t found a truck with a 2”/3” setup that I liked yet. I’ve seen 3”/4” that appeal to me, but that would mean I’d have to start at 3” springs to begin with in order to stay at a 1” block if I decide 3” isn’t enough.

EDIT: I should also mention that I'd like to be able to haul a few things with the truck once in a while, also a reason for looking at the multi-leaf springs.
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby lowblazin94 » Sat Oct 14, 2017 8:46 pm

If you're going to haul stuff still then multi-pack is a good idea. 3" drop leafs from Summit might be the way to go then
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby lowblazin94 » Sat Oct 14, 2017 8:47 pm

I'm not sure who runs the Summit brand but they're still Belltech springs.
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby Nick_R_23 » Sat Oct 14, 2017 8:58 pm

Interesting, that's good to know.

Through a little bit more research, I found an interesting little bit of info. I discovered that Astro Van guys are using S10 rear leaf springs on their vans to gain about 3" of lift...and according to spring charts, 95-05 Astro Vans use a steel spring that's dimensionally the same as the S10's, but with less arch. So theoretically, I could do the inverse swap and use Astro springs on my S10 and lose 3" of height. Spring capacity is very close so I wouldn't lose any of my ability to carry things. Hmm...might have to give this a try...it would certainly be cheaper than shipping a pair of springs up here!
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby lowblazin94 » Sat Oct 14, 2017 11:21 pm

Never heard of the van springs. Could be worth a try.
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby Nick_R_23 » Sat Oct 14, 2017 11:26 pm

For sure. I haven't found anyone that's put the Astro springs on an S10 yet (all just Astro guys looking for extra lift), but I don't see why it wouldn't work. Hard to beat junkyard upgrades too! :thumbup:
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby Nick_R_23 » Sun Oct 15, 2017 9:09 pm

I scoped out a donor Astro today, found a 1998 that should have exactly what I need. There is weight on the axle so that's what the springs will look like, quite a bit of difference in the arch height compared to the S10. I'm going to pull these later in the week and bring the S10 inside on the concrete floor and measure the wheel opening height before and after installing the Astro springs. The Astro guys are claiming 3" lift, so I'll be ecstatic if I can get a free true 3" drop out of these!

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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby lowblazin94 » Sun Oct 15, 2017 9:43 pm

Just be sure to measure spring eye to spring eye. The Astros do have more weight towards the rear so it should be interesting to see what happens.
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby Nick_R_23 » Sun Oct 15, 2017 10:03 pm

The springs are identical length wise (26x28, 54" overall), and also in carry capacity, just with a different arch, so I'm hoping that with the capacity being the same, they'll behave the same way as the original S10 springs. The only weird difference between the two is that the Astro springs have the long half of the spring towards the front (S10's is to the rear), so the springs just need to be flipped front-to-back when installed.
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby lowblazin94 » Sun Oct 15, 2017 10:19 pm

Just make sure the rear shackle doesn't bottom out on the frame with the straighter springs.
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby BULLSEYE » Tue Oct 17, 2017 6:58 pm

Image



That’s 3” drop spindles Caltrac bars, split mono leaf 2” drop and 1” block.


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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby Nick_R_23 » Wed Oct 18, 2017 12:40 am

^That sits very nice.

I just got back from the junkyard and torched the leaf springs out of a 1998 Astro Van, it had the 2+1 leafs on it. Sitting on the floor they measure 53", and the ones currently on the S10 measure 54" or so. That should put me exactly where I need to be with the vehicle weight on them. (I hope so, anyway!) I'll try and get them installed on the truck sometime this week to see how it really ends up. I'll be freaking stoked if I actually get a 3" drop out of these, it's going to be expensive enough freighting Caltracs and drop spindles up here.

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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby lowblazin94 » Wed Oct 18, 2017 1:02 am

I forgot pics help. 2" drop split mono leafs and 2" drop spindles with 4 cyl springs.
As soon as I get my new goodies on i'm going to lower the front and i'll lower the rear more once I get the Ford 9" built which will give the driveshaft more room to clear my X-brace.

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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby Nick_R_23 » Wed Oct 18, 2017 1:19 am

How do you like those 4 banger springs with the V8? Do they support the extra weight okay, or is it noticeably soft?
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby lowblazin94 » Wed Oct 18, 2017 6:53 am

They are actually still too much for my set up. I was hoping it would sit lower but with aluminum heads and everything stripped it still sits too high. They're good on bumps and great for traction. I'll cut them down a little bit here soon.
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby XXXXXXXX » Wed Oct 18, 2017 2:08 pm

i thought ric towes with his s10 and I think his is lowered... what is he using?

X
82 S10 Longbed.. stock 305.. b&m 144 blower.. 7lbs.. stock 801 heads.. dyno'd 194rwhp...holley 750dp.. percys adjust a jet in the front & rear.. headman 1 1/2 shorty headers.. 2 1/4 dual exhaust with hooker aero chambers.. msd with boost timing master.. 2500 stall .. 700r4 .. 3.73 posi fact s10 disc brake rear end.. caltracs.. 275/60/15 Nitto Extreme 555 drag radials
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby lowblazin94 » Wed Oct 18, 2017 2:33 pm

Remember Rick is a different kind of gear head. He could make a drag suspension only using valve springs and 2 popsicle sticks.
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Re: S10 rear lowering, best way to keep traction/avoid wheel

Postby Rickracer » Wed Oct 18, 2017 2:52 pm

:mrgreen: :mrgreen: :mrgreen:
My truck has Belltech 3" drop leafs, Caltrac clones, and some AC Delco shocks I found laying around in the parts room at the shop. 8)
Up front is QA1 coilovers, Speedway tubular upper arms, and stock lowers. Still running the stock sway bar with urethane sway bar and end link bushings. :thumbup:
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