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#1019554 04/05/2014 3:15 AM
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My trucks stance is about 3/4 inch lower in the rear

I can tell by looking at it and by taking a measurement from center of the well in front and back.
Tire pressure the same.

Doesn't really bother me, I don't know if its normal or rear springs relaxing.

If I wanted to raise the rear by 3/4 or more what would be the best way to accomplish it?
Blocks ?

Here's a pic

Not really noticeable, but I do load it at times with supplies or trips to the land fill.
...pic...
...pic...

Thanks for any suggestions.

DADS50 #1019559 04/05/2014 3:54 AM
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Is it leaf spring? The leafs on my 04 dodge relaxed. They de-arch and ride like crap.


I can explain it to you, I can't understand it for you.
DADS50 #1019562 04/05/2014 4:14 AM
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I've always like the rear just a tat lower than the front. I don't like "road sniffers".


1937 Chevy Pickup
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1952 Chevy Panel
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1950 Chevy Coupe
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I'd rather walk and carry a Chevy hub cap than ride in a Ferd.
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DADS50 #1019563 04/05/2014 4:19 AM
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Since the axle is above the leaf springs, blocks will lower the truck further. I have slightly de-arched springs on my 50, but the ride is smoother than my 52 with good springs.


1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
DADS50 #1019594 04/05/2014 1:22 PM
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1954 3600 Chevy Truck
"The Fake Truck"
In the Stovebolt Gallery
More pix on Photobucket
DADS50 #1019617 04/05/2014 4:26 PM
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Measure from the running boards to the ground front and back with the truck parked on a level surface. It doesn't look lower in the back to me in your 'landfill' pic.

P.S. Who has an indoor landfill??? Must be nice!!


1946 GMC Pickup - S-10 Frame, 455 Buick, TH400, original patina.

My 46 GMC on Photobucket
DADS50 #1019644 04/05/2014 6:01 PM
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Indoor land fill? We got one, dark and smelly. Called a "Transfer Station". The land fill is far away. Give me the sun and some Seagulls any day. You can still pick up nails and screws with the tires so you don't miss the whole experience. The mud is missing..:)


Steve H
DADS50 #1019697 04/05/2014 11:39 PM
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DADS50 #1019820 04/06/2014 4:27 PM
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I like my hotrods raked. Thats why bigs and littles were invented! Don't care for tail draggers.....

DADS50 #1019881 04/06/2014 10:24 PM
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"Road sniffers" and "tail draggers".... new terms are fun. At least these make sense to me.


Steve H
DADS50 #1019884 04/06/2014 10:37 PM
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Too bad that you don't live closer DADS! I just removed 3 spring on the rear for a smoother ride. I would give them to you.

DADS50 #1019886 04/06/2014 10:41 PM
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I have been sitting here thinking about it....other then stiffening up the ride, which might raise it that way, how is an extra leaf going to raise it up? That would be just like adding a lower block, wouldn't it? That would also put you closer to 1" off in the back in hopes that it strengthens the spring.

DADS50 #1019897 04/06/2014 11:22 PM
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Here's the front measurement

Here is the rear

Measurement taken in the garage,
flat surface
Aprox 3/4 inch lower in the rear




The springs on the 50 now are 4 years old , new stock springs from truck shop in orange.


Maybe the rear a little lower is normal?

DADS50 #1019938 04/07/2014 1:22 AM
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Easy to lower the rear. Not so easy to raise it. Old school method was to put longer shackles on the rear...but it would be quite easy to lower the front. Just add a block under the caster shim and put longer "U" bolts. Might work.


Steve H
DADS50 #1020075 04/07/2014 4:31 PM
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Originally Posted by DADS50
Here's the front measurement

Here is the rear

Measurement taken in the garage,
flat surface
Aprox 3/4 inch lower in the rear




The springs on the 50 now are 4 years old , new stock springs from truck shop in orange.


Maybe the rear a little lower is normal?

Does the measurement at the running boards show the same difference? To me it doesn't look like it, it just looks like a difference in wheelwell size that you're measuring. Maybe I'm wrong. What about air or overload shocks? They'll give you an extra capacity for your hauling and might raise the back 1/2"


1946 GMC Pickup - S-10 Frame, 455 Buick, TH400, original patina.

My 46 GMC on Photobucket
Steve_H #1020095 04/07/2014 5:46 PM
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Originally Posted by Steve_H
Easy to lower the rear. Not so easy to raise it. Old school method was to put longer shackles on the rear...but it would be quite easy to lower the front. Just add a block under the caster shim and put longer "U" bolts. Might work.

The front axle is below the spring pack and the rear is opposite so blocks won't lower the front. I had a similar stance and removed the shortest 2 leafs from the front which dropped the front bumper 1 1/2" and improved the ride too. Removing 1 might be enough to equalize the measurement in this case.







1952 1300 Canadian 1/2 ton restomod
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46gmcpu #1020173 04/08/2014 12:23 AM
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Originally Posted by 46gmcpu
Does the measurement at the running boards show the same difference? To me it doesn't look like it, it just looks like a difference in wheelwell size that you're measuring. Maybe I'm wrong. What about air or overload shocks? They'll give you an extra capacity for your hauling and might raise the back 1/2"

just measured the running board
measurement at the rear of the running board is 1/2 higher than the front of the running board.

yes 1/2 higher

DADS50 #1020251 04/08/2014 4:45 AM
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Curt B. you got me. What I meant to say was..easy to lift the front...OOPS! Oh well..I was trying to be positive.


Steve H
DADS50 #1020311 04/08/2014 3:08 PM
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These old trucks can be deceiving depending where you look and measure. I tend to measure the boards usually as it's a long expanse that's connected to the front and back fenders, and usually where your eye is visually drawn when looking at stance. That said, in a 60 year old truck things don't always line up as they should and sheet metal isn't always straight anymore (or wasn't to start with).

I try to make sure there's nothing else going on with the box and cab mounting/alignment before I dive into changing the suspension.


1946 GMC Pickup - S-10 Frame, 455 Buick, TH400, original patina.

My 46 GMC on Photobucket
DADS50 #1128054 10/05/2015 6:49 PM
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Are the rear shackles made of mild steel?

...pic....

Are longer ones available?

The ones on my truck measure 5 inches.
They are not original

If I wanted to make my own to lengthen them, would mild steel flat bar work?

...pic...


DADS50 #1128076 10/05/2015 10:02 PM
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Yes. They are mild steel. I have a little experience with this as in my youth I wanted the back end of my car higher. The problem you run into is, the springs will sag just a little more over time. 1 inch longer will only get you about 5/8" higher or so. All things being equal, if your front end is stock, it may be time for a spring replacement. But you can add another few inches to the shackle bars if you want to try it. It WILL work for awhile.

Some of the hot rod shops sell longer ones.


Deve

1950 Chevy 3100 Deluxe Cab
1950 Chevy 3100 Standard Cab
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The Think Tank
More info and tips at Deve's Technet
DADS50 #1128085 10/05/2015 11:34 PM
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Originally Posted by DADS50
Are the rear shackles made of mild steel?

...pic....

Are longer ones available?

The ones on my truck measure 5 inches.
They are not original

If I wanted to make my own to lengthen them, would mild steel flat bar work?

...pic...
Originally Posted by Deve
The problem you run into is, the springs will sag just a little more over time.
how does the spring know

DADS50 #1128089 10/05/2015 11:54 PM
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The geometry changes just enough to cause a weak spring to become weaker. A new set of springs will put it back to where it belongs more efficiently, but in the interest of a fix that could last a few years, it won't hurt anything to raise it. That's the best explanation I can come up with why that fix didn't last when I tried it. Maybe someone else with more than anecdotal evidence can explain it?


Deve

1950 Chevy 3100 Deluxe Cab
1950 Chevy 3100 Standard Cab
In the Stovebolt Gallery
The Think Tank
More info and tips at Deve's Technet
DADS50 #1128099 10/06/2015 12:56 AM
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Springs were new in 2010

Just want to lift the rear 3/4 inch

DADS50 #1128117 10/06/2015 1:47 AM
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I would add another inch then to the shackles then. No hesitation. If the springs are that new, then that should do it. I think they are made out of 3/8" steel. If you make them yourself, there is a taper to the holes that could be difficult. Not sure how necessary that is. I would think there would be a hot rod shop that would offer longer ones or Summit?


Deve

1950 Chevy 3100 Deluxe Cab
1950 Chevy 3100 Standard Cab
In the Stovebolt Gallery
The Think Tank
More info and tips at Deve's Technet
DADS50 #1128129 10/06/2015 2:21 AM
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If you install longer shackles, put a bolt with a sleeve over it midway between the top and bottom holes. Longer shackles have a tendency to collapse sideways in a tight turn without a center support.
Jerry


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DADS50 #1128131 10/06/2015 2:28 AM
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OK I'll say it. Your truck looks spectacular in your pictures of the side profile.
If you were to show those pictures and ask, "What's wrong with this picture?", I would bet no one would know that there was a problem.
Carl


1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
52Carl #1128133 10/06/2015 2:30 AM
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Originally Posted by 52Carl
OK I'll say it. Your truck looks spectacular in your pictures of the side profile.
If you were to show those pictures and ask, "What's wrong with this picture?", I would bet no one would know that there was a problem.
Carl

I agree, but I guess he wants a different look?


1941 Chevy 1 1/2-ton WW2 4x4 dump truck
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DADS50 #1128145 10/06/2015 3:04 AM
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Thanks for the comments

I have a slight, I believe its due to some wheels that were not made properly.

I do ..load... the truck sometimes.

When it's loaded I have a slight rubbing issue. Not enough to be a safety issue but I would like to see if I give the truck an even stance, it might help.

...pic...

...pic...

I realize this is not the proper way to accomplish this

Thought I would give it a shot.

Thanks for the tip on the carriage bolt sleeve
I'm thinking ill increase the length by 1 inch to 1 1/4 max
At the slight angle of the rear schackle should give me the lift?

Anyone know of a kit?, otherwise ill look through the scrap bin at work for the 3/8 x2 inch flat plate.



DADS50 #1128150 10/06/2015 3:16 AM
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Another thought I had was to make a shim and place between the mount and frame

...?....

My mounts have bolts

DADS50 #1128245 10/06/2015 9:21 PM
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Originally Posted by DADS50
Another thought I had was to make a shim and place between the mount and frame

...?....

My mounts have bolts

Old tires make good shims.

DADS50 #1128265 10/07/2015 12:16 AM
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Originally Posted by DADS50
Another thought I had was to make a shim and place between the mount and frame

...?....

My mounts have bolts
That would make all of the height difference in the world without changing the complex geometry involved with lengthening the shackles. When you just lengthen the shackles by 1 inch, you do not gain 1 inch of lift at all loads due to spring action forcing the shackles rearward, eliminating any of your desired lift.
I would use steel shims between the frame and the mounts.
Carl


1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
DADS50 #1128267 10/07/2015 12:19 AM
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If you have bolts holding the mount that's on the frame, wow, yeah, do that instead. All of the ones I have seen are riveted to the frame. Thats a nice idea.


Deve

1950 Chevy 3100 Deluxe Cab
1950 Chevy 3100 Standard Cab
In the Stovebolt Gallery
The Think Tank
More info and tips at Deve's Technet
DADS50 #1274111 07/28/2018 1:52 PM
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I'm going to resurrect this old post to see if DADS50 can tell me how he ended up resolving his rear shackle issue. I've got the same issue on a '52 3100 I recently purchased (Rear wheel well opening 1 1/4" lower than front and rear of running board 1" lower than front).

I was going to make longer shackles as discussed previously here. Does anyone know the taper of the holes in the side pieces on the shackle so I can make them prior to disassembly?

Thanks
Terry


1952 Chevy 3100
DADS50 #1274195 07/29/2018 12:05 AM
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"(Rear wheel well opening 1 1/4" lower than front and rear of running board 1" lower than front)."

I need to know what in the world this statement means. No offense. I may not be familiar with your regional dialect.
Please break it down for me.
"Rear wheel well opening."
Where exactly are you measuring from on the wheel well?
Are you measuring from this point on the wheel well to the ground?
That is all I can ask about until you can clarify the rest of your statement above.


1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
52Chevy3100 #1274220 07/29/2018 8:06 AM
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Originally Posted by 52Chevy3100
I've got the same issue on a '52 3100 I recently purchased (Rear wheel well opening 1 1/4" lower than front and rear of running board 1" lower than front).
Terry

FYI, the wheel openings on AD trucks are NOT the same height front and rear. The front wheel openings are higher (presumably so the tire has room to steer), the rears lower. If you make the wheel openings the same height the truck will have a slight forward rake. The running board measurement is a good criterion for leveling. I usually put an angle finder on the horizontal part to measure my rake angle in degrees.

Okay DADS50, your turn...


1951 Chevy Panel Truck

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