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Old 10-23-2013, 06:59 AM   #26
aerotruk63
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Re: Opinions about original helper springs

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Originally Posted by firemanjimtfd View Post
Here is the pic of the helper or over load springs on my 66 C-10
Can we get a picture of how the transverse spring mounts to the frame please.
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Old 10-23-2013, 08:06 AM   #27
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Re: Opinions about original helper springs

All of my frames... 1961, 1963 & 1964 are predrilled for the auxiliary soprings. I will get some good pics tonight.

I went out last night and mocked mine up. The two rear holes that the stepside rear bumper brackets are two of the holes that are used. I will need to drill two additional holes on the side of the frame once its mounted and one additional on the bottom of the frame rail. Id be willing to bet the long beds are predrilled also.

The hardest and most time consuming part will be putting on the trailing arm mount.
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Old 10-23-2013, 08:48 AM   #28
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Re: Opinions about original helper springs

The transverse spring clamps with cast iron brackets to the rear end housing but doesn't attach to the frame its between the rubber bumper and housing tube. Several other truck collectors haven't seen one like this either.




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Old 10-23-2013, 09:49 AM   #29
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Re: Opinions about original helper springs

Very interesting....1st one ive seen personally.


Now on the install of the auxiliary springs....best option to install the trailing arm brackets?
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Old 10-23-2013, 04:10 PM   #30
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Re: Opinions about original helper springs

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Originally Posted by metalaroundstone View Post
i am thinking about finding and installing a set of original helper springs to beef up the load capacity of my 66 c10 lwb. I carried a full load of compost the other day and the bed really angled down in the back. I would like some opinions about how well these helper springs work, and any ideas on where i could get a set. I think this is what one of the springs looks like.
Robert
why not just replace the coils with 2600 series air bags, you will be able to adjust the ride height just using schrader valves , the ride will be better and you can adjust the stance of your truck. Cost about $200.00 kieth
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Old 10-23-2013, 04:49 PM   #31
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Re: Opinions about original helper springs

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First time I've ever seen that setup!
Common set up in corvairs and corvettes....I don't know that I've seen them in a classic truck, although GM used them in some 90's applications
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http://67-72chevytrucks.com/vboard/s...d.php?t=519869
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http://67-72chevytrucks.com/vboard/s...d.php?t=619024
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Old 10-23-2013, 04:53 PM   #32
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Re: Opinions about original helper springs

Sorry, should have clarified, I've certainly seen transverse leaf springs before. Just not as overload springs on one of our trucks.
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Old 10-23-2013, 09:51 PM   #33
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Re: Opinions about original helper springs

Well i have a 66 I am building that has a helper spring set up that i thought was factory but wasn't sure. Mine attaches to the frame behind my cab and pushes down onto the trailing arms just before the coils. I am leaving them on because it's a retro kinda build for me but throwing in a set of air bags is the way I would suggest you go .....I will swing back with a picture tomorrow if i get a chance
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Old 10-24-2013, 08:41 AM   #34
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Re: Opinions about original helper springs

I found a set a week or so back Budman56.....thank you though.
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1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual
http://67-72chevytrucks.com/vboard/s...d.php?t=519869
1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide
http://67-72chevytrucks.com/vboard/s...d.php?t=619024
1964 Short bed trailer
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Old 10-31-2013, 12:41 PM   #35
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Re: Opinions about original helper springs

Was putting my collection of 63 material in some kind of order and came across some factory documentation on these springs. I will get some pics tonight and post the 63 literature I have on them.
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1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual
http://67-72chevytrucks.com/vboard/s...d.php?t=519869
1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide
http://67-72chevytrucks.com/vboard/s...d.php?t=619024
1964 Short bed trailer
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Old 11-01-2013, 08:43 PM   #36
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Re: Opinions about original helper springs



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Old 11-01-2013, 09:28 PM   #37
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Re: Opinions about original helper springs

thanks aerotruck63....thats the one i was talking about. nice that you have the scanner, the image came out better than mine would have.
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1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual
http://67-72chevytrucks.com/vboard/s...d.php?t=519869
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http://67-72chevytrucks.com/vboard/s...d.php?t=619024
1964 Short bed trailer
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Old 11-02-2013, 12:19 AM   #38
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Re: Opinions about original helper springs

I have a set of the aux option and was going to add the Timbren rubber springs as well. They make a set up for a 65 front and rear. Bolts in where the bump stop is.
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Old 11-02-2013, 12:55 AM   #39
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Re: Opinions about original helper springs

Quote:
Originally Posted by firemanjimtfd View Post
The transverse spring clamps with cast iron brackets to the rear end housing but doesn't attach to the frame its between the rubber bumper and housing tube. Several other truck collectors haven't seen one like this either.




just think of the additional load on the center of the rear housing maybe that's why no ones seen one before ....3/4 housing might put up with it but i would not want to put it on a 1/2 ton just my $.02
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Old 11-07-2013, 10:07 AM   #40
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Re: Opinions about original helper springs

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Heres some pics of the mount that goes between the trailing arms and the rear end...the springs will rest on these and mount to the frame
Thanks to help from this forum, I was able to get the right helper springs from my truck, but the rubber mounts are pretty much toast. Where did you get what looks like new rubber bumpers shown in this picture you posted?
Thanks
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Old 11-07-2013, 11:46 AM   #41
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Re: Opinions about original helper springs

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Originally Posted by Metalaroundstone View Post
Thanks to help from this forum, I was able to get the right helper springs from my truck, but the rubber mounts are pretty much toast. Where did you get what looks like new rubber bumpers shown in this picture you posted?
Thanks
LMC carries the rubber stops and all new bolts..
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Old 11-07-2013, 11:55 AM   #42
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Re: Opinions about original helper springs

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LMC carries the rubber stops and all new bolts..
Great. I didn't even think to look there for some reason. Thanks.
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Old 11-07-2013, 12:04 PM   #43
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Re: Opinions about original helper springs

Yes, I just got a set in from LMC...I was pleased with the quality of the mount. I used a knife to cut the heads off the old bump stops and used a little grease to pop the new ones in. I do see NOS ones pop up from time to time on ebay.

My old bump stops were 1/2" shorter from so much use they compressed.
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1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual
http://67-72chevytrucks.com/vboard/s...d.php?t=519869
1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide
http://67-72chevytrucks.com/vboard/s...d.php?t=619024
1964 Short bed trailer
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Old 11-07-2013, 12:09 PM   #44
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Re: Opinions about original helper springs

Something to consider, you can buy bump stops of all sizes on Ebay or Local part stores if you need them to be taller. Aftermarket ones bolt in vs the little rubber plug holder of the factory ones. As 63c-10 said, use grease on the factory stops to pull them into place or the knob will tear off.
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Old 11-07-2013, 12:41 PM   #45
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Re: Opinions about original helper springs

My grandpa has them on his 64 c10 long fleet. He lowered his truck 2/4. Maybe he will let me have them for my stock 65.
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Old 11-07-2013, 07:04 PM   #46
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Re: Opinions about original helper springs

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Originally Posted by 1963c-10 View Post
Yes, I just got a set in from LMC...I was pleased with the quality of the mount. I used a knife to cut the heads off the old bump stops and used a little grease to pop the new ones in. I do see NOS ones pop up from time to time on ebay.

My old bump stops were 1/2" shorter from so much use they compressed.
Good to hear that the LMC spring bumpers appear to be of good quality. I ordered a pair.
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Old 11-07-2013, 09:23 PM   #47
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Re: Opinions about original helper springs

Nice tight fit on the pair I got.
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http://67-72chevytrucks.com/vboard/s...d.php?t=519869
1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide
http://67-72chevytrucks.com/vboard/s...d.php?t=619024
1964 Short bed trailer
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Old 08-20-2014, 08:28 PM   #48
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Re: Opinions about original helper springs

Hi guys i just signed yesterday COOL. Anyway my 66 SWB has the Auxiliary Spring equipment installed from the factory as shown in my SPID. Unfortunately the passenger side support plate was broken many years ago. I have acquired a NOS set from Ebay about a month ago but i haven't been able to located the rubber bumpers that 1963c-10 posted in this thread. The P&A 31 parts catalog does not list the part number for rubber bumpers and I am in dire need of some new ones. Any suggestions
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Old 08-20-2014, 09:22 PM   #49
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Re: Opinions about original helper springs

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Hi guys i just signed yesterday COOL. Anyway my 66 SWB has the Auxiliary Spring equipment installed from the factory as shown in my SPID. Unfortunately the passenger side support plate was broken many years ago. I have acquired a NOS set from Ebay about a month ago but i haven't been able to located the rubber bumpers that 1963c-10 posted in this thread. The P&A 31 parts catalog does not list the part number for rubber bumpers and I am in dire need of some new ones. Any suggestions
LMC trucks has em and a guy on Ebay but he wants $20 a piece go with LMC
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Old 08-20-2014, 09:25 PM   #50
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Re: Opinions about original helper springs

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LMC trucks has em and a guy on Ebay but he wants $20 a piece go with LMC
GM part #
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