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Shackle flip n switch update!!

cybrfire said:
I'd love to design a set for the newer rigs. Need to find a newer rig to set one up and get it done. Hopefully sometime in the future.

I have a '93 fullsize Blazer with 4" blocks that I'd like to ditch if you're in need of a guinea pig.
 
mikey_d05 said:
I have a '93 fullsize Blazer with 4" blocks that I'd like to ditch if you're in need of a guinea pig.


hmmmm?!?
 
he wants a shackle flip and if you need a test vechicle to mock it up on you can use his so he can get rid of his 4" blocks
 
i beleive that hmmmm... was kerts way of mulling it over ;)

on a side note, i have recieved my flip and dayum is it beefy :saweet: :saweet: :saweet: :saweet: :saweet: :bow: :bow: :bow: i love em' can't wait for the GM Corporate Blue to dry and get em put on if it would just quit freakin raining :mad:
 
sled_dog said:
Most good tool stores have open ended attachments for ratchets. They look like the open end of a combo wrench but have a hole to attach to a ratchet. They are for just such a case. Put it on the torque wrench and torque away.
they are called crows feet and to get an accurate torque you will need to make sure the crows foot is 90 degrees from the TQ wrench.
Grant
 
If i would use the 4 inch shackle flip on a 8 inch lift.. how would i go about lifting the front another 4 inches??? Thanks.. 52 inch springs up front..
 
lifted 52's could get you there. It's been said that the lift is more on the front than on the rear. Like for instance a 4" spring in the rear would net you more like 9-10 in the front rather than just 8". Never messed with any of the lifted 52's in the front so I can't really say from experience.

I believe MTMike started out with some lifted 52's up front and didn't like it. He may be able to offer a little more insight.
 
cybrfire said:
lifted 52's could get you there. It's been said that the lift is more on the front than on the rear. Like for instance a 4" spring in the rear would net you more like 9-10 in the front rather than just 8". Never messed with any of the lifted 52's in the front so I can't really say from experience.

I believe MTMike started out with some lifted 52's up front and didn't like it. He may be able to offer a little more insight.

Let me give you some comparison pictures.....

This is the truck with 38" tires, 2" Lift 52" TC Springs, and 3" body lift:
normal_P1010007%7E4.JPG


This is the same truck with stock 52" springs and the same shackles....
normal_P1010004%7E2.JPG


There is more than a 2" difference there, and I think the difference could be in shackle angle..... the lifted springs are arched more, thus pulling the shackle in more and in turn lifting the truck more. When using 7.25" long shackles, the difference in shackle angle could mean 1 to 1.5" of lift difference.

Here's the shackle angle difference between the 2 different sets of springs...
2" lift 52's:
normal_P1010005%7E6.JPG


Stock 52's
normal_P1010012%7E4.JPG


-Mike
 
I see that there are 3 shackel lengths available. How much lift does each setup provide. Trying to decide on the current 56" flip setup and cv shaft or your flip and standard shaft.
 
Option one, The flip itself will net you approx. 4" of lift.

Option two with 4.5" shackle, same amout of lift really but you don't have to fab your own shackles.

Option three with 6" shackle, 4" from flip plus one inch for additional shackle length.
 
I went with #3 (6" shackles) with 56's and I love it. The shackle length works great for a smooth ride and great flex, the angle turned out perfect IMO and the height matched my stock 52s with 7.25" shackles up front.

Got pics if you need :)
 
where can I read up on how much lift a certain length shackle will give you? I want to figure out shackle heights into the equation along with everything else. Could make things easier for me when I goto lift my 89 3/4 ton burb.
 
fordfreak300 said:
where can I read up on how much lift a certain length shackle will give you? I want to figure out shackle heights into the equation along with everything else. Could make things easier for me when I goto lift my 89 3/4 ton burb.

Stock is 4". If you add an inch longer you get half of that in lift. 2" longer and you still get half of that in lift. Break it down like this.

Shackle length - 4"(factory)= /2 = lift.

7" shackle - 4" = 3" /2 = 1.5" of lift.

Your shackle angle can effect this a little but its a good rule of thumb.
 
thank you very much. You will be hearing from me in a few months to when i order a shackle flip kit and maybe some shackles.
 
mouse said:
Running stock rear springs, will the flip and switch move the axle forward or back?

Neither the location of the front hanger does not change and since the length of the spring and or center pin location is not changed then the axel does not move ;)
 
i noticed the shackle mount is offset can the kit be swapped side to side
if so does this move the shackle back far enough to use a 56in spring in place of a 52
 
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