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post #1 of (permalink) Old 02-25-2001, 02:21 PM
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rear suspension

I was just wondering if anyone had ever heard of re-arching the leaf springs in the rear. I have a 1997 Jimmy and want to lift the rear 1"-2", any opinions on this mehtod of lift?Also, I have heard rear "block" lifts degraded on this site - I was just wondering why. Once I lift the rear up 1 or 2 in, do I have to get new shocks? Could I lift up the back by putting adjustable air shocks on? Thanks for the help.

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post #2 of (permalink) Old 02-25-2001, 03:18 PM
 
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Re: rear suspension

<font face="Comic Sans MS">Typically, it would seem that rearches don't hold that increased arch very long.

Blocks have a bad rap here because they can cause axle wrap by increasing the leverage on the springs.

Don't ever try to get lift by using air shocks or other items. The shock mounts were never designed for that task, only for the shocks which don't support any of the vehicle's weight.

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post #3 of (permalink) Old 02-25-2001, 04:07 PM
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Re: rear suspension

Springs have a memory. The springs are treated so that the top layer of the leafs are actually in compression so they retain their shape when flexed. Re-arced springs gennerally do not hold their shape long.

The S-10 springs are very soft making them prone to axle wrap. BTW, blocks would LOWER the rear since it's a spring under axle set-up. You are basically left with 3 choises. New springs, stock or aftermarket ($$). Add-a-leafs (make the springs stiffer). And shackles.

Shocks and shock mounts are designed to dampen ride motion, not raise a vehicle. Avoid air shocks.

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post #4 of (permalink) Old 02-25-2001, 05:21 PM
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Re: rear suspension

I was thinking about just getting new leaf packs with more arch. Because i have shackles and add-a-leafs but new springs i think would be better. O and i was looking at a dodge ram and o my god it was hilarious those things are garbage and they use lift blocks in the back from the factory. That is garbage haha.

post #5 of (permalink) Old 02-25-2001, 05:45 PM
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Re: rear suspension

Well, it looks like add-a-leafs for me. Shackles might bend when I am pulling my 21 ft Sea Ray. I have also heard that they will flatten out your springs. Anyone know how much add-a-leafs or new springs cost (I am looking for 1-2" lift). Thanks again.

post #6 of (permalink) Old 02-26-2001, 11:14 AM
 
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Re: rear suspension

Add-a-leaves should be pretty cheap compared to other things. I have a pair of 2" add-a-leaves and I believe they costed around $90 from Rancho. I think you can get them cheaper from other places--you just have to look around.

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