67-72 front&rear suspension on c20 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

2mas · 10-21-2013, 03:46 PM

Hi, like many I'm looking to go for the slammed looks with bags etc.
I found a complete 67-72 crossmember with dropped spindels and discs and complete
rear axle with trailing arms. Everything is restored. Will all these parts fit directly on my c20 66?

In this way I would have front discs, dropped spindels, 5-lug and ready for bag installation. Is this the best way forward?

/Thomas

NEWFISHER · 10-21-2013, 04:31 PM

I believe the C20 and C10 frames are different. Someone else should chime in. If it was a C10, yes. C20 I don't think the front would work without modification.

66Submarine · 10-21-2013, 04:36 PM

IIRC, C-10 and C-20 are the same; C-30 is a different frame, though. (But the front end stuff is the same as the C-20's) Someone else that knows for sure should chime in shortly.

**Captainfab** · 10-22-2013, 01:18 AM

Yes those parts will bolt right up under your '66 C20. I don't think the '67-'72 front suspension crossmember requires any holes to be drilled as the '73-'87 crossmembers do. I would say this would be a good way for you to achieve your suspension, steering and braking goals.

2mas · 10-22-2013, 01:43 AM

Will this set up change back spacing on the 20 inch wheels I will buy?
Will go with 20*8 in front and 20*9 in back.
Or can I order as if there would be stock c10?
Any one know what back spacing you have used?

**Captainfab** · 10-23-2013, 12:13 AM

If the rear end you are getting is a '67 to '70 12 bolt (was originally 6 lug) then it will be the same width as the 12 bolt under your '64 C10. If the rear end is a '71-'72 12 bolt (originally 5 lug) then it will be 1.5" wider(.75" each side)than the 12 bolt under your '64 C10.

Quote:

Originally Posted by 2mas

Will this set up change back spacing on the 20 inch wheels I will buy?
Will go with 20*8 in front and 20*9 in back.
Or can I order as if there would be stock c10?
Any one know what back spacing you have used?

2mas · 10-23-2013, 02:07 AM

Thanks. I guess its same in front, no change in back spacing? Its all from a 67.
Still with 6 lug though...
/Thomas

**Captainfab** · 10-23-2013, 11:42 PM

Then the width of that would be exactly the same as what is under your '64 C10. I do know that that '67 12 bolt will be a little narrower than the Eaton HO52 that is currently under your '66 C20. I'm not sure how the track width conpares between the C10's and C20's

Quote:

Originally Posted by 2mas

Thanks. I guess its same in front, no change in back spacing? Its all from a 67.
Still with 6 lug though...
/Thomas

10-21-2013, 03:46 PM	#1
2mas Registered User Join Date: Jun 2011 Location: Sweden Posts: 126	67-72 front&rear suspension on c20 Hi, like many I'm looking to go for the slammed looks with bags etc. I found a complete 67-72 crossmember with dropped spindels and discs and complete rear axle with trailing arms. Everything is restored. Will all these parts fit directly on my c20 66? In this way I would have front discs, dropped spindels, 5-lug and ready for bag installation. Is this the best way forward? /Thomas __________________ 1965 c10 BBW LWB - Duramax 2010 Camaro SS - Whipple (721hp) 2017 Volvo V60 diesel-hybrid (233hp) 2008 volvo XC70 diesel http://67-72chevytrucks.com/vboard/s...d.php?t=677577

10-21-2013, 04:31 PM	#2
NEWFISHER Registered User Join Date: Sep 2012 Location: Oregon Posts: 3,303	Re: 67-72 front&rear suspension on c20 I believe the C20 and C10 frames are different. Someone else should chime in. If it was a C10, yes. C20 I don't think the front would work without modification.

10-21-2013, 04:36 PM	#3
66Submarine Registered User Join Date: Sep 2012 Location: Dallas, GA Posts: 1,497	Re: 67-72 front&rear suspension on c20 IIRC, C-10 and C-20 are the same; C-30 is a different frame, though. (But the front end stuff is the same as the C-20's) Someone else that knows for sure should chime in shortly. __________________ 1965 C30 pickup 350/SM420/4.10's (daily driver) thread 1968 Impala 4 door sedan (future driver project) thread

10-22-2013, 01:18 AM	#4
Captainfab 60-66 Nut Join Date: Mar 2007 Location: Coeur d'Alene, Idaho Posts: 23,252	Re: 67-72 front&rear suspension on c20 Yes those parts will bolt right up under your '66 C20. I don't think the '67-'72 front suspension crossmember requires any holes to be drilled as the '73-'87 crossmembers do. I would say this would be a good way for you to achieve your suspension, steering and braking goals. __________________ Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE

10-22-2013, 01:43 AM	#5
2mas Registered User Join Date: Jun 2011 Location: Sweden Posts: 126	Re: 67-72 front&rear suspension on c20 Will this set up change back spacing on the 20 inch wheels I will buy? Will go with 208 in front and 209 in back. Or can I order as if there would be stock c10? Any one know what back spacing you have used? __________________ 1965 c10 BBW LWB - Duramax 2010 Camaro SS - Whipple (721hp) 2017 Volvo V60 diesel-hybrid (233hp) 2008 volvo XC70 diesel http://67-72chevytrucks.com/vboard/s...d.php?t=677577

10-23-2013, 02:07 AM	#7
2mas Registered User Join Date: Jun 2011 Location: Sweden Posts: 126	Re: 67-72 front&rear suspension on c20 Thanks. I guess its same in front, no change in back spacing? Its all from a 67. Still with 6 lug though... /Thomas __________________ 1965 c10 BBW LWB - Duramax 2010 Camaro SS - Whipple (721hp) 2017 Volvo V60 diesel-hybrid (233hp) 2008 volvo XC70 diesel http://67-72chevytrucks.com/vboard/s...d.php?t=677577



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