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View Full Version : Chevy Shackle Flip


energyforce
01-21-2005, 03:14 PM
Just what i have so far. The brackets are apparently from a 2x4 pickup truck. DanB knows more about which trucks and what year to get this stuff.

I threw a coat of grey primer over the rusted up bracket (no prep work). I drilled more holes and put the angle-iron on for additional support. That way I have it bolted onto the frame vertically and horizontally. the bolts are 3/8 inch grade 5 and 8. Ill use the grade 8 for those that will experience the most shear and the grade 5 for tension. The angle liner allows me to settle the truck on the bracket with only a c-clamp. This means i can make sure im happy with the shackle angles prior to drilling holes in my frame and bolting it on.

Im not sure where im going to drill the holes for my leafs in the shackle yet. I know around 7 inches is ideal. The shackles are made out of 2.5x.5 bar stock. Hot rolled i believe.

Cant attach an image!!! Ill try again on the next post......


I love pussy............ Well I do!!!

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kootenaycat
01-21-2005, 05:50 PM
Sounds like the same setup I am planning for my Chevy. I grabbed front spring hangers (rear axle) from a 3/4 ton 2wd (they were free!). What do you mean you have to drill for the leafs? I had planned to use the stock front hanger with the shackle plates from the stock setup which would give me about 4" lift at the axle. Hope you get the pics up, I want to see how it looks.

energyforce
01-21-2005, 07:18 PM
quote:Originally posted by kootenaycat

What do you mean you have to drill for the leafs?


Now that the pic is up you can probably see that I have not drilled the holes in my shackle for the leaf spring end bolt. Ill probably go for 7 inches.

BTW im running 63 inchers in the rear. Id like some 56 inchers for my front. For now im just gonna run these 4 inch lift rancho leafs that i have right now.

I love pussy............ Well I do!!!

In The Zone
01-21-2005, 07:33 PM
looks nice but your bolt holes i think are to close together and will stress over time.
larger boles to allow larger bolts with fewer holes


more real surface contact...the piece of angle iron is nice but most of the stress from your hangars is on the vertical face of your frame specially with a long shackle like yours..
this will allow more leverage on the spring end for side to side movment..
i would perfer a system like this

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note how the strength is on the vertical or load bearing face.

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Soon to be on a trail near U

energyforce
01-22-2005, 02:03 PM
quote:Originally posted by In The Zone

looks nice but your bolt holes i think are to close together and will stress over time.

1) There is a rule of thumb for bolt holes. Something like they have to be spaced 1 bolt diameter apart.
2) Chevy had rivets in ONLY 4 of these bolt holes. The 3/8 bolts fit almost perfect into these holes and i have 6.

quote:
the piece of angle iron is nice but most of the stress from your hangars is on the vertical face of your frame specially with a long shackle like yours..
this will allow more leverage on the spring end for side to side movment..

Id rather have the angle iron thank you. Your designs look beefier and stronger, but those designs have WAY more stress on the bolts due to the lack of horizontal support (angleiron or whatever). GM originally had horizontal support and there is a reason why. This system not only has vertical loading but it also has a moment. The angleiron serves the purpose of decreasing the shear stress on the bolts. A longer shackle will not increase the size of the moment and is irrelevant here, it will although create more binding and in terms of that those 2 designs you showed me may be better. My design is not really designed for that much binding as it was designed as a hanger and not a shackle point.

I love pussy............ Well I do!!!

m j
01-22-2005, 02:28 PM
the factory stuff works
why does everyone use the factory rear style shackle and not convert to something similar to the front if they are fabbing up from scratch?

_________________________
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78f150
01-22-2005, 02:37 PM
Big Country Customs in Mission sells the rear hanger you need and in bolts into the stock rivet holes.[31]

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DanB
01-22-2005, 03:03 PM
im going to do same thing as erik.. main reason.. cheap and its strong for sure.. i dont really see the point of going to fancy ones unless u need some bling

78f150
01-22-2005, 03:22 PM
THe ones form big country I think are 150 a pair.

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In The Zone
01-22-2005, 04:22 PM
there not my design just like em for the simplicity and yes one of em does run horizontal brace under the frame...

yours look perforated too many bolts and holes

just my.02


Soon to be on a trail near U

DanB
02-05-2005, 07:27 PM
erik i beat u [22] did the shackle flip

wow the ride is lot better!!!!!!! didnt realize how bad it was before...

hopefully tom will post the pics tmw or something of the old verison of my setup you will be surprised (who didnt see it)

i have exact same stuff as erik except different spring hangers

i havent got the angle iron yet.. will install it sometime this week it will have 4 extra bolt so total of 8 bolts.. 6 on the spring hangers

and the shackle itself is 7 and half inch eye to eye.. and after looking at my truck.. it looks like it gave me about 6 inch lift.. at first i thought it was less....

DanB
02-05-2005, 07:29 PM
and another difference i have with erik.. i use 1/2 inch bolts..

brandonf250
02-05-2005, 08:20 PM
what style of shakle flip did you do,flip the whole bracket or build a new piece???????????

DanB
02-06-2005, 05:02 AM
will take more pics today

it cost me under 100 bux and it wasnt inculded with the beverage needed to make that :D

brandonf250
02-12-2005, 06:58 AM
dan you forget to take the pics?

DanB
02-12-2005, 01:58 PM
oh ya.. thanks for reminder.. going out soon to do that

did u even look under my truck when u were at tle?

DanB
02-21-2005, 07:33 PM
finally took some pics of it.. here u go

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In The Zone
02-22-2005, 06:54 PM
looks good [36]what length are your mains.?



your support is crooked but thats ok..
[f]

Not perforated like the example in the first pic.....[16]

Soon to be on a trail near U

DanB
02-23-2005, 04:20 AM
what length are your mains.?

u mean the shackles itself?
7 and half inches eye to eye

its bit crooked but good luck bending 1/2 inch steel :)

In The Zone
02-23-2005, 06:48 PM
your mains in your leaf pack 61" or??

Soon to be on a trail near U

DanB
02-23-2005, 07:18 PM
oh the leafs.. i think its 52 or 56

might be wrong.. cant really remember.. its stock leafs from chevy

the-t-man
02-23-2005, 07:27 PM
i like to have a bit more angle forward for the shackels..looks like it almost past 90 the other way..how much time you think u spent makeing the shackels and getting those brackets to fit??

DanB
02-24-2005, 07:30 AM
not much at all.. i just kept it almost stock postition

In The Zone
02-24-2005, 06:58 PM
so we see [f]

Soon to be on a trail near U

DanB
02-25-2005, 06:19 AM
if u are challenging me for who flexes more..

wanna bet?? :D

brandonf250
03-09-2005, 03:02 PM
looks good dan thanx for the pics!

Blazin Obsession
03-13-2005, 07:06 PM
here is a picture of my shackle reversal, It was very simple to make and I did not need to remove it from the truck. It has been in use for a few years now with no trouble, the gain was about 5 inches of lift and the ride was improved.
Ken

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brandonf250
03-13-2005, 07:39 PM
what did you do?is that a home made shackle or did you just flip the other one upside down?

Blazin Obsession
03-14-2005, 05:15 PM
I REMOVED THE SHACKLE AND REPLACED IT WITH A NEW ONE,SCOTT SPRING UNDER 20 BUCKS I THINK?????
THEN CUT OUT THE BOTTOM WITH A PLASMA CUTTER...MADE CUSTOM PLATES FOR THE TOP AND SIDES, WELDED AND, INSTANT SUPER STRONG 5" LIFT REVERSED SHACLES, THAT WERE NEVER REMOVED FROM THE TRUCK, NOTE THE STOCK RIVETS.
KEN

energyforce
03-17-2005, 10:12 AM
Heres mine all installed. Thats with 63 inch long leafs. I got about 8 inches of lift [:0] I have the same shackles as dan. The lift still needs a bit of work (shocks, longer brake lines, shackle mods etc) but im not gonna do too much with that sissy 10 bolt axle as im upgrading soon.

Once I lift the front ill see how it looks before completely bolting in my flip hangers cuz I have a feeling I may need to lower the rear of the truck a bit.

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I love pussy............ Well I do!!!

kootenaycat
03-17-2005, 01:59 PM
quote:Originally posted by energyforce

Heres mine all installed. Thats with 63 inch long leafs. I got about 8 inches of lift [:0] I have the same shackles as dan. The lift still needs a bit of work (shocks, longer brake lines, shackle mods etc) but im not gonna do too much with that sissy 10 bolt axle as im upgrading soon.

Once I lift the front ill see how it looks before completely bolting in my flip hangers cuz I have a feeling I may need to lower the rear of the truck a bit.


Glad to hear it, I was just going to say you might want to drill and bolt those hangers to the frame!!

DanB
03-17-2005, 08:16 PM
hes going to drive it that way till he lifts his front...

hardcore redneck aint he?

MundusPax
04-02-2005, 07:29 AM
Where is Big Country Customs ?
(address ?)
can't find it in yellow pages
(phone # ?)

DanB
04-02-2005, 04:33 PM
dont bohter buying that.. just buy fron tof rear spring hangers
and bolt it on like erik and i did

B
04-03-2005, 07:31 AM
yep got mine from jkl 4 75$ even from over priced jamie thats not a bad deal then moved it down even lower by adding boxtube under the frame rail ... but the body line wasn't perfect so i cut the rivets on the fronts and moved them to. nice rake now without the camper, and level with it on so its about 15" in the rear now when unloaded and 13 with the camper loaded for bear ... cus body lifts suck ...

84 full size locked up on 44s ...plus camper...

the-t-man
04-03-2005, 02:33 PM
www.bigcountrycustoms.com its in mission number is on the site as well as pics of the shackel reversals..looking at the pics of these and the 8" of lift???if your only doing the one end of the spring and getting 8" that is gonna seriously affect your pinion angle..and the shackel looks to be 3/16 bigger then the spring???

MundusPax
04-03-2005, 06:10 PM
Thanks THE-T-MAN
will be visiting those guys pretty soon
i think

'96 K1500, 350 vortec, 4" rancho, 33x12.5/15x10 and more

DanB
04-03-2005, 07:02 PM
save your wallet.. buy the front of rear shackles (paid 20 for mine and im sure u can get same price)

then angle iron to make it stronger.. drill those holes use stock shackles.. reason why i did long one is because i want bit more lift..

and pinion angle is much better its almost straight to the transfercase

shackle itself is 1/2 inch thick.. go big or go home :)

i have snapped factory ones before

BigC
04-14-2005, 05:20 AM
I just thought I'd show everyone my shit too[49]


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the-t-man
04-14-2005, 11:28 AM
thats a bcc??looks like it...sweet

StinkFinger
04-15-2005, 06:58 AM
quote:Originally posted by DanB

dont bohter buying that.. just buy fron tof rear spring hangers
and bolt it on like erik and i did



Because it looks like asss
maby if the angle was fitted to the hanger they would look a bit better did the grinder break down [f]



I had thought of alot of things and this wasent it

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DanB
04-15-2005, 03:40 PM
well i am not into bling bling stuff.. if its strong and simple thats all i care.. and i dont have time for grinding shit!!

want come over and do it for me??