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mrgoodwrench

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MN
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mike
Truck Year
1996
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silverado
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305
Im looking to stick with steel but thanks for the size info.

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Chevroletman

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Georgia
First Name
Dennis
Truck Year
1982 1986
Truck Model
c10 k10
Engine Size
350 305
Hello glad to be here. I'm sure I can find some knowledge here, and might be able to give a little.
Just got my second SB. 1982 K10 Scottsdale short bed, all original, been setting over 20 years in a barn. It runs and drive good. Needs tires it has 22 year old Michelins on it and dry rotted bad.
Here's a quick question, what color was the 1982 305 in a K10.
 

Craig 85

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Nashville, TN
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Craig
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1985
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K30 SRW
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454/TH-400/NP205
Hello glad to be here. I'm sure I can find some knowledge here, and might be able to give a little.
Just got my second SB. 1982 K10 Scottsdale short bed, all original, been setting over 20 years in a barn. It runs and drive good. Needs tires it has 22 year old Michelins on it and dry rotted bad.
Here's a quick question, what color was the 1982 305 in a K10.

Pretty sure blue.
 

vkh

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Western Montana
First Name
Var
Truck Year
1981
Truck Model
C2500
Engine Size
454
Hello glad to be here. I'm sure I can find some knowledge here, and might be able to give a little.
Just got my second SB. 1982 K10 Scottsdale short bed, all original, been setting over 20 years in a barn. It runs and drive good. Needs tires it has 22 year old Michelins on it and dry rotted bad.
Here's a quick question, what color was the 1982 305 in a K10.

My 81 is blue, most places just call it "chevy blue". I feel quite confident saying yours would have been blue.
 

theblindchicken

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Oct 24, 2013
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SoCal
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Christian
Truck Year
1974
Truck Model
K10 5" lift + 2" BL
Engine Size
350-4, 0.030" over
Nice lookin rig there @mrgoodwrench!

Suspension wise it sounds as though you don't really need to do anything for it.

Blocks are alright, just not necessarily the preferred way of lifting a truck.

Sounds like you've got a set of 2" lift springs + a 4" lift block. If you are planning on a shackle flip, you can keep the 2" lift springs and run a 4" shackle flip with their shorter HD shackle. Same thing I'm running on my truck with factory springs.

Blocks are just that, blocks. Technically, they don't increase or decrease the spring rate or change the ride quality. All they do is add space between the spring pack and the spring mounts on the axle. What they do negatively is that the larger the block, the larger the distance, which means that axle wrap and torque on the center pin is increased. Too much axle wrap as well as poor ubolts, and you can spit the blocks right out of there.

Shackle flips maintain the smoother leaf spring rate of a smaller lift pack while allowing the shackle to actually flex and allowing you to swap out shackle lengths to change the lift height. Shackle flips will typically ride smoother than any all-spring lift of the same size.

Factory setup:
Longer shackle = lowering truck
Shorter shackle = lifting truck
ORD Shackle Flip:
Longer shackle = lifting
Shorter = lowering

The factory shackles and bushings have teeth built into them that helps bind it up to increase the weight rating, but makes for a harsher ride.

Go for the greaseable bolts as well, they make a world of difference with the suspension actually moving instead of binding anywhere.

Also, the shackle flip has a tendency to move the axle forward or backwards about an inch... I don't remember which. May or may not cause issues with contacting your rear fenders. If it's an issue, you can run a set of zero rates since they have offset holes to accommodate the change in axle position.
 

mrgoodwrench

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MN
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mike
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1996
Truck Model
silverado
Engine Size
305
Nice lookin rig there @mrgoodwrench!

Suspension wise it sounds as though you don't really need to do anything for it.

Blocks are alright, just not necessarily the preferred way of lifting a truck.

Sounds like you've got a set of 2" lift springs + a 4" lift block. If you are planning on a shackle flip, you can keep the 2" lift springs and run a 4" shackle flip with their shorter HD shackle. Same thing I'm running on my truck with factory springs.

Blocks are just that, blocks. Technically, they don't increase or decrease the spring rate or change the ride quality. All they do is add space between the spring pack and the spring mounts on the axle. What they do negatively is that the larger the block, the larger the distance, which means that axle wrap and torque on the center pin is increased. Too much axle wrap as well as poor ubolts, and you can spit the blocks right out of there.

Shackle flips maintain the smoother leaf spring rate of a smaller lift pack while allowing the shackle to actually flex and allowing you to swap out shackle lengths to change the lift height. Shackle flips will typically ride smoother than any all-spring lift of the same size.

Factory setup:
Longer shackle = lowering truck
Shorter shackle = lifting truck
ORD Shackle Flip:
Longer shackle = lifting
Shorter = lowering

The factory shackles and bushings have teeth built into them that helps bind it up to increase the weight rating, but makes for a harsher ride.

Go for the greaseable bolts as well, they make a world of difference with the suspension actually moving instead of binding anywhere.

Also, the shackle flip has a tendency to move the axle forward or backwards about an inch... I don't remember which. May or may not cause issues with contacting your rear fenders. If it's an issue, you can run a set of zero rates since they have offset holes to accommodate the change in axle position.
My taptalk does not always update me right away so i did not see this untill juat now. Thanks for the reaponse i was thinking the same i juat ordered the ord 4in shackel flip with there hd 4.5 in shackels it should net me 4.25in of lift and my blocks are 4.5 best i can measure. Got the greasable rear bushing kit. Also ordered the zero rates to fix any forward or back movement and give me 1 extra inch to help make up for having the rear all loaded up with gear all the time. Also ordered there extended stainless brake lines the ones on my truck are short right now.

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mrgoodwrench

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Location
MN
First Name
mike
Truck Year
1996
Truck Model
silverado
Engine Size
305
Also ordered up 5 of thease rims so i can get rid of the spacers the po installed and ill finally have the lug nuts all the way on. Already **** fit 1 and its a good fit i like the look , the load rating (3650lbs) they are made in usa and the price was good $95 shipped each from summit and i had a $20 off coupon so that will be nice. Should have the other 4 in a week or so. Then i get to mount those heavy monsters

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theblindchicken

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Oct 24, 2013
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Location
SoCal
First Name
Christian
Truck Year
1974
Truck Model
K10 5" lift + 2" BL
Engine Size
350-4, 0.030" over
Sounds good!

The shackle flip is a bit of a pain to install since it requires cutting the original rivets off and installing the shackle flip with grade 8 bolts (supplied).

An angle grinder or air chisel will work wonders in getting rid of those rivets. Will probably still need to pound out the rivets as well.

Its all like putting legos together. Just stick em together in the right order and you've got yourself all good to go.

I dont remember if a new center pin is supplied with the zero rates. If you have to go get a new one, Napa Auto usually has a few on hand that work perfectly.

Kragen and Autozone don't usually have any in stock.
 

mrgoodwrench

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MN
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mike
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1996
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silverado
Engine Size
305
Sounds good!

The shackle flip is a bit of a pain to install since it requires cutting the original rivets off and installing the shackle flip with grade 8 bolts (supplied).

An angle grinder or air chisel will work wonders in getting rid of those rivets. Will probably still need to pound out the rivets as well.

Its all like putting legos together. Just stick em together in the right order and you've got yourself all good to go.

I dont remember if a new center pin is supplied with the zero rates. If you have to go get a new one, Napa Auto usually has a few on hand that work perfectly.

Kragen and Autozone don't usually have any in stock.
Im a mechanic by trade so i have a good air hammer, grinder , and oxy acetlyne torch on hand so it should not be too bad. Thanks for the heads up on where to get a new center pin im hoping they come with the zero rate they are shown in the pictures of the zero rates on there site. My other wonder is if i will need to shim the rear to correct drive line angles but i guess ill have to get it together loosely and see. If i do need to shim i hope parts stores have them available id hate to have to order them online and wait. I need to get my hands on a drive line angle gague of some kind.

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theblindchicken

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Location
SoCal
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Christian
Truck Year
1974
Truck Model
K10 5" lift + 2" BL
Engine Size
350-4, 0.030" over
Sounds like you're all set. Rims look nice too.

I'd bet the zero rates come with em, but just incase, ya know?

I didnt have any issues with the yoke angle in the rear, but I need to shim the front pretty good.
 

mrgoodwrench

Full Access Member
Joined
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Posts
86
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Location
MN
First Name
mike
Truck Year
1996
Truck Model
silverado
Engine Size
305
Sounds like you're all set. Rims look nice too.

I'd bet the zero rates come with em, but just incase, ya know?

I didnt have any issues with the yoke angle in the rear, but I need to shim the front pretty good.
My front has a doubble u joint on the rear shaft uoke so i think its going to be good. And im leaving that alone the lift up there is all good for now i just wanted to get the blocks out of the rear. And glad to hear you did not need to shim the rear im crossing my fingers that i wont but we will see because i have the shackle flip and the 2 in of spring lift that is already there aswell.

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theblindchicken

Full Access Member
Joined
Oct 24, 2013
Posts
1,518
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265
Location
SoCal
First Name
Christian
Truck Year
1974
Truck Model
K10 5" lift + 2" BL
Engine Size
350-4, 0.030" over
My front has a doubble u joint on the rear shaft uoke so i think its going to be good. And im leaving that alone the lift up there is all good for now i just wanted to get the blocks out of the rear. And glad to hear you did not need to shim the rear im crossing my fingers that i wont but we will see because i have the shackle flip and the 2 in of spring lift that is already there aswell.

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You'll be sitting higher than me though.

I'm only around 4-5" of lift and i need to shim the front axle even with the double cardan driveshaft. Pretty good vibrations at highway speeds, very little on the streets.

Similar setups, but that extra inch or teo may set ya a little different than mine.
 

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