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Old 01-09-2011, 05:53 PM   #1
shawno72
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Need to get the rear a little lower

Hey guys I am in need of some help. I have already lowered my 1972 lwb and I love it. The problem, for me anyways, is that the rear is just to high. I dont mind a little rake to the stance but not to the extent that it looks like a stink bug. Specs are 2 1/2" ECE spindles and CPP 2" springs up front with 4" rear mono leafs and 2" shackles out back. So my plan is to raise the front of the rear leaf spring hangers up 1 1/2" to get a more even stance, has anyone done this? Was your pinion angle way off? Any help is much appreciated. Name:  shawns truck 003.jpg
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Old 01-09-2011, 06:49 PM   #2
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Re: Need to get the rear a little lower

Anyone??
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Old 01-10-2011, 01:33 AM   #3
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Re: Need to get the rear a little lower

ttt
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Old 01-10-2011, 01:41 AM   #4
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Re: Need to get the rear a little lower

the truck looks good!..cannot help on the rear springs...my old C-10 has ECE coils in the rear..
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Old 01-10-2011, 01:55 AM   #5
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Re: Need to get the rear a little lower

Hey 70jnktrk, whats the lowered specs of your truck?
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Old 01-10-2011, 02:23 AM   #6
lolife99
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Re: Need to get the rear a little lower

Stock leafs and a flip kit will get you lower.
You'll need a bolt in c-notch.
Sorry I can't help with moving hangers around.
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Old 01-10-2011, 02:27 AM   #7
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Re: Need to get the rear a little lower

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Originally Posted by lolife99 View Post
Stock leafs and a flip kit will get you lower.
You'll need a bolt in c-notch.
Sorry I can't help with moving hangers around.
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Yep. Might make money on the deal. Sell off the lowered leaves and shackles and buy a flip kit, which is cheap.

Lotsa work for an inch. Though I've seen people body drop an inch, so this seems plausible in comparison.

To answer your original Q, moving the hanger 1.5" should net you ~.75" of drop and likely wouldn't affect your pinion angle much, but it can't hurt to measure it once you're done, just to be sure
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Old 01-10-2011, 04:38 AM   #8
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Re: Need to get the rear a little lower

where do you find flip kits
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Old 01-10-2011, 04:55 AM   #9
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Re: Need to get the rear a little lower

i've seen the 73-87 guys do this with no issues, I can't see why it would make a difference on the older trucks but I have not tried it before.
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Old 01-10-2011, 11:40 AM   #10
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Re: Need to get the rear a little lower

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i've seen the 73-87 guys do this with no issues.....
Correct. This is an economical way to lower a 73-87, so there should be no reason why it won't work on a 67-72 leaf spring truck as well. You already have the shackle, so this "should" put your pinion angle back near stock.
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Old 01-10-2011, 06:57 PM   #11
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Re: Need to get the rear a little lower

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Hey 70jnktrk, whats the lowered specs of your truck?
4/6 I believe...everything from ECE. May be closer to 5 1/2 in the back..
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Old 01-10-2011, 10:03 PM   #12
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Re: Need to get the rear a little lower

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Yep. Might make money on the deal. Sell off the lowered leaves and shackles and buy a flip kit, which is cheap.

Lotsa work for an inch. Though I've seen people body drop an inch, so this seems plausible in comparison.

To answer your original Q, moving the hanger 1.5" should net you ~.75" of drop and likely wouldn't affect your pinion angle much, but it can't hurt to measure it once you're done, just to be sure
Ok. Thank you so much for your replies. In reference to Gringoloco's response, I was under the impression that if I raise my spring hangers, lets say 2", that I would get 2" of drop. After all the hanger/shackle kits for the 73-87 trucks claim you get a 4" drop, ie 2" shackle and 2" hanger = 4" drop. Correct??

And btw I am at my max budget for lowering my truck so I have to manufacture a way to get more inches. If I could do it over I would definately do a flip kit.
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Old 01-10-2011, 10:48 PM   #13
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Re: Need to get the rear a little lower

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where do you find flip kits
HEREhttp://cgi.ebay.com/ebaymotors/DJM-F...Q5fAccessories
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Old 01-11-2011, 11:34 AM   #14
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Re: Need to get the rear a little lower

ttt
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Old 01-11-2011, 07:38 PM   #15
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Re: Need to get the rear a little lower

Ttt
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Old 01-11-2011, 10:21 PM   #16
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Re: Need to get the rear a little lower

anyone??
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Old 01-13-2011, 09:26 PM   #17
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Re: Need to get the rear a little lower

ttt
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Old 01-13-2011, 10:02 PM   #18
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Re: Need to get the rear a little lower

get in touch with Keith Seymore, his little red 87 R10 has this raised spring hanger drop, he may be able to tell you how low it will get you from moving it up to the next set of holes or more.
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Old 01-14-2011, 11:22 AM   #19
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Re: Need to get the rear a little lower

Thanks Adam, but I am still new and I dont know how to get in touch with Keith. Can you tell me how to do that?
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Old 01-14-2011, 11:24 AM   #20
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Need just a little more drop

Hey guys I am in need of some help. I have already lowered my 1972 lwb and I love it. The problem, for me anyways, is that the rear is just to high. I dont mind a little rake to the stance but not to the extent that it looks like a stink bug. Specs are 2 1/2" ECE spindles and CPP 2" springs up front with 4" rear mono leafs and 2" shackles out back. So my plan is to raise the front of the rear leaf spring hangers up 1 1/2" to get a more even stance, has anyone done this? Was your pinion angle way off? Any help is much appreciated.

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Old 01-14-2011, 11:36 AM   #21
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Re: Need to get the rear a little lower

http://67-72chevytrucks.com/vboard/member.php?u=56854
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Old 01-14-2011, 08:33 PM   #22
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Re: Need to get the rear a little lower

Quote:
Originally Posted by shawno72 View Post
Ok. Thank you so much for your replies. In reference to Gringoloco's response, I was under the impression that if I raise my spring hangers, lets say 2", that I would get 2" of drop. After all the hanger/shackle kits for the 73-87 trucks claim you get a 4" drop, ie 2" shackle and 2" hanger = 4" drop. Correct??

I was just doing public math- your results may vary slightly due to curves/angles. See example below.


]_______O_______[


If you raised only one end of this 'leaf spring', and left the other end stationary, the axle would only see half the amount of that movement, since it is in the middle of the spring. So, move your front hangers up 2" for 1" of drop, 1.5" for .75", etc... Again, these are approximations.

The amounts advertised on the store bought parts refer to the proposed final lowering measurements, not necessarily how much they move a given mounting point.
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Old 01-14-2011, 09:39 PM   #23
shawno72
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Re: Need to get the rear a little lower

Quote:
Originally Posted by gringoloco View Post
I was just doing public math- your results may vary slightly due to curves/angles. See example below.


]_______O_______[


If you raised only one end of this 'leaf spring', and left the other end stationary, the axle would only see half the amount of that movement, since it is in the middle of the spring. So, move your front hangers up 2" for 1" of drop, 1.5" for .75", etc... Again, these are approximations.

The amounts advertised on the store bought parts refer to the proposed final lowering measurements, not necessarily how much they move a given mounting point.
I agree with your thinking, I mean it makes sense, but when I installed the rear lowering shackles I took time to measure against the stock units and sure enough the 2" lowering shackles were in fact 2" longer. Also CPP claims a1" or 2" drop with these shackles and the two holes are indeed 1" apart. Thats why I would think that if you raise the rear 2" to get a 2" inch drop, then by theory, if you raise the front 2" you should get the same. Right?
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Old 01-14-2011, 09:40 PM   #24
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Re: Need just a little more drop

ttt
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Old 01-15-2011, 05:20 AM   #25
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Re: Need just a little more drop

drop block?
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