Pre-Power Stroke Diesel (7.3L IDI & 6.9L) Diesel Topics Only

Bent front spring!

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  #16  
Old 02-23-2010, 06:49 AM
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I've got 3 springs in my front but I cut down the main leafs from another set and added that to the stack. Front sits just slightly lower than the rear. My truck originally had a 460 so the springs are a bit lighter to begin with.
 
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Old 02-23-2010, 07:59 PM
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Originally Posted by Dave Sponaugle
If A hit B hard enough to bend the springs on an IFS axle, you should see plenty of indications in other places as well.
That's exactly what I am thinking, got under it today and see no signs of impact anywhere. Bushings are worn as can be though, totally dried and cracked. I really don't see the bend/twist it is supposed to have, but then again I only had it up on a floor jack. I think it's time for a second opinion on this one!

On a better note I just sold the canopy that came with my truck so now I can do the repair's. Aftermarket springs $139.... oem $219, bumper to bumper urethane bushing kit $180. Guess which route I am going lol.

Now on that note... as some of you know I run a machine shop for a living. Part of my job is to sit in on our design review board, myself QA and our Product Management staff sit down and review all new jobs before signing them off for manufacturing. Today while in one of these meetings we got to talking about my little suspension problem, I commented how I was going to buy a urethane bushing kit and the two engineers in the meeting went nuts telling me how bad they are. They squeak, you lose travel in your suspension, you lose some of what i think they called interpolation....

Both these guys are gear heads so I usually trust their judgment but everything they were saying against urethane bushings made no sense to my years of hearing how good they are. According to these two the only place to use urethane was on a sway bar and every place else use stock rubber bushings. I am so confused now *sigh*
I put urethane in my ranger and they are right about one thing... the squeaks. As to the rest of what they are saying...
 
  #18  
Old 02-23-2010, 08:46 PM
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IN the 4X world you do lose some articulation as they do not have any give to them and they can sqeak. but in a driver they last forever, It is a little give and take deal.
 
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Old 02-23-2010, 09:22 PM
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So for my purposes of a daily driver / boat and rv hauler I am better off with urethane?
 
  #20  
Old 02-23-2010, 09:30 PM
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Years ago it seemed like all the ford pickup steering gearboxes leaked and the rubber bushings on the radius rods would get soft and dissapear. I started using them and for the track arms on the 1/2 four wheel drives and they would never have to be replaced again. I never had any customer complain about them.
 
  #21  
Old 02-23-2010, 09:42 PM
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Originally Posted by WarOzz
So for my purposes of a daily driver / boat and rv hauler I am better off with urethane?
Yep my front spring have urethane bushings on em and i havent heard a squeak outta them it is prolly because of how loud the dam# motor is anyway u straight piped em just put em on u wont be able to hear em unless your driving 5mph all the time
 
  #22  
Old 02-23-2010, 09:43 PM
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Originally Posted by starmilt
IN the 4X world you do lose some articulation as they do not have any give to them and they can sqeak. but in a driver they last forever, It is a little give and take deal.
and what he said
 
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