Rear leaf question, why did they do this - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**Mts67C10K20** · 08-11-2019, 12:08 PM

My 67 k20 has the rear axle set back in the wheel well
I thought it may have the wrong springs on it
But in shopping for new ones I find that the lighter springs
Are 24" from front eye to ctr. Pin and the heavier springs are
26" to pin
This truck is 7500gvw
My question is why
and does someone sell heavy springs that Center the axle
Thanks in advance

**mongocanfly** · 08-11-2019, 02:00 PM

Never seen one that bad off factory....did you change something?

**Mts67C10K20** · 08-11-2019, 02:10 PM

Yup that's why I'm looking for a heavy set of the 24 to pin

Installed a 14bolt but was the same with the H052
Springs are 52 long 26 to pin
Mounts are all riveted

**MySons68C20** · 08-11-2019, 06:00 PM

It's hard to tell from the picture but how close is your bed to the cab?

**Mts67C10K20** · 08-11-2019, 06:43 PM

Have the cab off right now
Nearest I can remember it's a good inch
The bed seems to be squarely on the mounts

Still wondering why the 2 inch difference in pin position between the 1/2ton and 3/4ton springs

**mongocanfly** · 08-11-2019, 07:09 PM

Is the center spring pin equal distance from each spring eye?

**Richard** · 08-16-2019, 03:48 AM

I agree with the person asking about bed position. Looks like it is almost touching the cab.

sweetk30 · 08-18-2019, 08:41 PM

you could also do this item for the fix . but as said box looks to close to cab . or its the angle the pic was taken .

http://offroaddesign.com/catalog/Axl...%20Plates.html

**Mts67C10K20** · 08-19-2019, 05:13 PM

Finaly got time to get back to this and I'm afraid I trusted my memory and made a mistake
Re measured the spring pin distance and discovered my problem
My current springs are 28" and should be 26"
So a set of correct springs will fix things nicely
Or possibly the spacers suggested by Sweetk30

Thank you all for your intrest and suggestions

sweetk30 · 08-20-2019, 04:18 PM

funny you say 28" springs .

i just scored a dana 70 drw wide axle from a mid 70's gm cut-away van motor home body . it had the leafs on it and there real nice shape but there 28/28 eye to eye .

Stormin08 · 08-26-2019, 01:21 PM

you have 2 things...
1. you bed is off, or
2. possibly your springs are flipped

generally, they have a shorter and longer side ( eye to eye), make sure they are correct and havent been changed before.

08-11-2019, 12:08 PM	#1
Mts67C10K20 Senior Member Join Date: May 2017 Location: Dowagiac Michigan Posts: 202	Rear leaf question, why did they do this My 67 k20 has the rear axle set back in the wheel well I thought it may have the wrong springs on it But in shopping for new ones I find that the lighter springs Are 24" from front eye to ctr. Pin and the heavier springs are 26" to pin This truck is 7500gvw My question is why and does someone sell heavy springs that Center the axle Thanks in advance Attached Images

08-11-2019, 02:00 PM	#2
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,670	Re: Rear leaf question, why did they do this Never seen one that bad off factory....did you change something? __________________ Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver

08-11-2019, 02:10 PM	#3
Mts67C10K20 Senior Member Join Date: May 2017 Location: Dowagiac Michigan Posts: 202	Re: Rear leaf question, why did they do this Yup that's why I'm looking for a heavy set of the 24 to pin Installed a 14bolt but was the same with the H052 Springs are 52 long 26 to pin Mounts are all riveted

08-11-2019, 06:00 PM	#4
MySons68C20 Senior Member Join Date: Sep 2014 Location: Wenatchee, Wa Posts: 929	Re: Rear leaf question, why did they do this It's hard to tell from the picture but how close is your bed to the cab?

08-11-2019, 06:43 PM	#5
Mts67C10K20 Senior Member Join Date: May 2017 Location: Dowagiac Michigan Posts: 202	Re: Rear leaf question, why did they do this Have the cab off right now Nearest I can remember it's a good inch The bed seems to be squarely on the mounts Still wondering why the 2 inch difference in pin position between the 1/2ton and 3/4ton springs

08-11-2019, 07:09 PM	#6
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,670	Re: Rear leaf question, why did they do this Is the center spring pin equal distance from each spring eye? __________________ Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver

08-16-2019, 03:48 AM	#7
Richard Senior Member Join Date: Dec 1999 Location: Southern California Posts: 2,881	Re: Rear leaf question, why did they do this I agree with the person asking about bed position. Looks like it is almost touching the cab. __________________ Richard 1972 K10 Custom Deluxe SWB Fleetside My build https://67-72chevytrucks.com/vboard/...d.php?t=800746

08-18-2019, 08:41 PM	#8
sweetk30 Registered User Join Date: May 2012 Location: horseheads,ny rust belt Posts: 2,794	Re: Rear leaf question, why did they do this you could also do this item for the fix . but as said box looks to close to cab . or its the angle the pic was taken . http://offroaddesign.com/catalog/Axl...%20Plates.html __________________ 77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great.

08-19-2019, 05:13 PM	#9
Mts67C10K20 Senior Member Join Date: May 2017 Location: Dowagiac Michigan Posts: 202	Re: Rear leaf question, why did they do this Finaly got time to get back to this and I'm afraid I trusted my memory and made a mistake Re measured the spring pin distance and discovered my problem My current springs are 28" and should be 26" So a set of correct springs will fix things nicely Or possibly the spacers suggested by Sweetk30 Thank you all for your intrest and suggestions

08-20-2019, 04:18 PM	#10
sweetk30 Registered User Join Date: May 2012 Location: horseheads,ny rust belt Posts: 2,794	Re: Rear leaf question, why did they do this funny you say 28" springs . i just scored a dana 70 drw wide axle from a mid 70's gm cut-away van motor home body . it had the leafs on it and there real nice shape but there 28/28 eye to eye . __________________ 77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great.

08-26-2019, 01:21 PM	#11
Stormin08 Registered User Join Date: Sep 2018 Location: Moss Bluff, LA Posts: 381	Re: Rear leaf question, why did they do this you have 2 things... 1. you bed is off, or 2. possibly your springs are flipped generally, they have a shorter and longer side ( eye to eye), make sure they are correct and havent been changed before.



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