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Leaf springs and bushings

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azuplander

Number of posts : 30
Location : Glendale,Arizona
Age : 63
Registration date : 2015-06-19

Leaf springs and bushings

Post by azuplander on Fri Apr 06, 2018 7:18 pm

Having a new set of leaf springs built for the front of my ‘66 . The left uses the 1 1/8 bushing while the right has the 1 5/8. When I have them made do I need to have that right side made to accomodate the 1 5/8 bushing or can I go with 1 1/8 for both. If I do have to have  the 1 5/8 on the right what bushing from Energy Suspension would I use ? I read where Donivan recommends the 4.2126 R bushing for the 1 1/8  leaf. Would it be better to go 1 1/8  both sides and just use the 4.2126  bushings? I’ll need to know when I have the leafs made . Any help on this is appreciated. Thanks
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donivan65
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Number of posts : 11676
Location : San Diego, California
Registration date : 2008-05-12

Re: Leaf springs and bushings

Post by donivan65 on Fri Apr 06, 2018 10:27 pm

Chevboner here is having a spring shop install these 1 1/8" metal cartridges  on his 1st Gen springs instead of the neoprene ones,,,,,,,I would have to think they put that bigger bushing in the right front because the engine weight is more to that side and it would sag a little over time as well as all the engine torque goes through that bushing,,,,,,,that 1 5/8" neoprene bushing says 2061 on it, they might call it a 2011,,,,





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azuplander

Number of posts : 30
Location : Glendale,Arizona
Age : 63
Registration date : 2015-06-19

Re: Leaf springs and bushings

Post by azuplander on Sat Apr 07, 2018 4:47 pm

Thanks Donivan for the info on the bushings . Am going to have the 1 5/8  spring  made for the right side as you recommend and try to find that  poly bushing to put in that eyelet. Regards , Brad
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sandyvan

Number of posts : 485
Location : San Diego, CA
Registration date : 2011-03-13

Re: Leaf springs and bushings

Post by sandyvan on Mon Apr 09, 2018 12:28 pm

Just curious why you're having new springs made. I need to replace all the bushings on my 66 at some point, but figure the springs themselves are OK.
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azuplander

Number of posts : 30
Location : Glendale,Arizona
Age : 63
Registration date : 2015-06-19

Re: Leaf springs and bushings

Post by azuplander on Mon Apr 09, 2018 4:39 pm

After looking at my rear springs ,  i decided to go with new  rear springs after my spring shop took them apart  to take a  closer look at em and  recommended new ones, those springs being over 50 yrs old , I just decided on putting new ones in  instead of re arching and rebuilding .If the fronts were like the rears ,  (which I’m assuming ,)they will be replaced.
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azuplander

Number of posts : 30
Location : Glendale,Arizona
Age : 63
Registration date : 2015-06-19

Re: Leaf springs and bushings

Post by azuplander on Fri Apr 20, 2018 5:07 pm

Another question, new front leafs that I had made look as if one leaf is shorter than the other. I believe they are supposed to be 48” eye to eye. The new springs were copied from the old springs. I did measure eye to eye along the arc of the springs and the messurement was at 48 inches both springs. Am I not seeing something?
, or were they made wrong? Am headed back down to the spring shop that made them to look at the old ones.  Any help would be appreciated  thanks ,
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azuplander

Number of posts : 30
Location : Glendale,Arizona
Age : 63
Registration date : 2015-06-19

Re: Leaf springs and bushings

Post by azuplander on Fri Apr 20, 2018 7:03 pm

Bonehead me!! Put them both together on their tops and they are even at 48” eyelet to eyelet.
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gfleduc

Number of posts : 182
Location : Kingwood Texas
Age : 63
Registration date : 2015-09-19

Larger Right front bushing

Post by gfleduc on Fri Apr 20, 2018 8:57 pm

donivan65 wrote:Chevboner here is having a spring shop install these 1 1/8" metal cartridges  on his 1st Gen springs instead of the neoprene ones,,,,,,,I would have to think they put that bigger bushing in the right front because the engine weight is more to that side and it would sag a little over time as well as all the engine torque goes through that bushing,,,,,,,that 1 5/8" neoprene bushing says 2061 on it, they might call it a 2011,,,,






FWIW - The manual said the larger (Heavy Duty) bushing was to take up the engine torque.
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Digz

Number of posts : 3771
Location : United States Six Lakes MI
Registration date : 2008-05-17

Re: Leaf springs and bushings

Post by Digz on Sat Apr 21, 2018 2:33 am

My springs had broken leafs. Had all four made. You won't regret having that done. It should be after all a one time investment .
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sandyvan

Number of posts : 485
Location : San Diego, CA
Registration date : 2011-03-13

Re: Leaf springs and bushings

Post by sandyvan on Wed Aug 29, 2018 12:30 pm

Digz wrote:My springs had broken leafs. Had all four made. You won't regret having that done. It should be after all a one time investment .

So what's a ballpark of how much four new springs might cost me? I gotta start saving up...
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Digz

Number of posts : 3771
Location : United States Six Lakes MI
Registration date : 2008-05-17

Re: Leaf springs and bushings

Post by Digz on Wed Aug 29, 2018 8:33 pm

I'll have to check my build bible to be sure. Its been a few years. Dan had some made also, perhaps he can recall quicker.

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