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07-05-2022, 02:39 PM | #1 |
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Join Date: Sep 2018
Location: Peabody Ma
Posts: 30
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Front suspension questions
What is the difference between a 67-70 front suspension and a 71-72 front suspension ? Can they be interchanged ?
Thanks
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1968 GMC stepside long bed 2004 GMC Yukon 2004 Chevy SSR 1969 Chevelle SS 1946 Chevy 4 door sedan 1923 C-Cab |
07-05-2022, 03:31 PM | #2 |
Senior Member
Join Date: Dec 1999
Location: TX
Posts: 1,624
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Re: Front suspension questions
Different ball joints and tie rod ends. The hard parts are mostly the same. Crossmember, control arms. I think the center links are different.
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07-07-2022, 02:57 AM | #3 |
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Join Date: May 2004
Location: Queen Creek, AZ
Posts: 1,010
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Re: Front suspension questions
one of big differences is 71 and 72 have disc brakes. Yes, they can be interchanged. complete cradles can be swapped.
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07-07-2022, 08:46 AM | #4 |
Post Whore
Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,362
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Re: Front suspension questions
67-70's are more manly! 6 lug nuts and drum brakes.
The spindles are different too. This thread should help answer your questions. http://67-72chevytrucks.com/vboard/s...d.php?t=444823
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
07-07-2022, 12:06 PM | #5 |
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Join Date: Mar 2003
Location: Colfax-California
Posts: 8,634
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Re: Front suspension questions
Instead of jumping around in the different forums, post up what you want to accomplish with this truck. Give us a bigger picture of the truck also. We all like to see pics
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07-07-2022, 01:55 PM | #6 |
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Location: Peabody Ma
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Re: Front suspension questions
What I want to do is lighten up the suspension to the half ton to give it a much better ride. Also I want to put disc brakes in the front. I plan on keeping the 9 foot bed cuz you don't see them very often. It has the 305 V6 with a 4 speed and I am planning on putting a 350 with a 5 speed. So basically I want to make it a much better driver. And I am open to lowering it a little too.
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1968 GMC stepside long bed 2004 GMC Yukon 2004 Chevy SSR 1969 Chevelle SS 1946 Chevy 4 door sedan 1923 C-Cab |
07-07-2022, 05:46 PM | #7 |
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Join Date: Mar 2003
Location: Colfax-California
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Re: Front suspension questions
So going from 8 lug to 5 lug? or just want the softer ride? The V6 is comparable to the weight of a big block. Small block takes a lighter front spring. The springs are the same length, but the coil diameter is different for added weight. Right now what your are feeling when driving around is the stiff rear springs. give us a pic of the rear spring pack and where the leafs attach to the frame via the hanger. AND what does the weight tag say on the door pillar. 7500 or 10k
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07-07-2022, 09:34 PM | #8 | |
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Re: Front suspension questions
Quote:
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1968 GMC stepside long bed 2004 GMC Yukon 2004 Chevy SSR 1969 Chevelle SS 1946 Chevy 4 door sedan 1923 C-Cab |
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07-08-2022, 06:46 AM | #9 |
State of Confusion!
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 47,223
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Re: Front suspension questions
Easiest way is to get the whole from cross member (include steering box) from a 71 thru 78 1/2 ton. Unbolt ur 1-ton unit and put the new one in place. That way your front end parts fall under 1 year category for getting parts. Update any worn parts and you're good to goo there. Get a rear from same year trucks and bolt it to your current leafs. Maybe remove a leaf or to to soften the ride.
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
07-08-2022, 11:00 AM | #10 | |
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Join Date: Mar 2003
Location: Colfax-California
Posts: 8,634
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Re: Front suspension questions
Quote:
we haven't seen a pic of the rear springs yet, but if it's anything like my 1 ton, it has a lot of extras |
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07-08-2022, 11:01 AM | #11 |
Post Whore
Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,362
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Re: Front suspension questions
A good spring shop will be able to build a set of custom springs to give you a softer ride.
Those High Clearance wheels aren't helping the ride either. They're either 17.5 or 19.5 (Hard to tell from the picture so, I could be a wrong. ) and those size tires generally are 10 plus ply tires which ride like Flintstone wheels. If those truly are High Clearance wheels don't scrap them there are folks looking for them.
__________________
Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
07-08-2022, 11:40 AM | #12 |
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Join Date: Apr 2022
Location: Moorpark, CA
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Re: Front suspension questions
I would add a front sway bar to whatever conversion you do if you don't aready have one
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07-08-2022, 09:34 PM | #13 | |
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Location: Peabody Ma
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Re: Front suspension questions
Quote:
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1968 GMC stepside long bed 2004 GMC Yukon 2004 Chevy SSR 1969 Chevelle SS 1946 Chevy 4 door sedan 1923 C-Cab |
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