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07-12-2022, 04:46 PM | #1 |
Registered User
Join Date: Jun 2017
Location: Whitley City, Kentucky
Posts: 3
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71 Rear lowering blocks
I have a 71 C-10 with coil springs. I would like to do a 2" drop with lowering blocks. What are your recommendations? Thank you.
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07-12-2022, 06:02 PM | #2 |
Registered User
Join Date: Feb 2015
Location: St. Clair, Missouri
Posts: 124
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Re: 71 Rear lowering blocks
Welcome! I cannot help but theres a world of knowledge here. Maybe try a search. Good luck.
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1972 GMC C1500 350/350 1965 Mustang 2+2 289 4spd, show-car 1965 Mustang Coupe 289 4spd, stoplight racer 1/2 dozen Wheelhorse Tractors |
07-12-2022, 06:28 PM | #3 |
Senior Member
Join Date: Dec 1999
Location: TX
Posts: 1,582
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Re: 71 Rear lowering blocks
There's a wealth of information on the suspension part of this message board:
https://67-72chevytrucks.com/vboard/...splay.php?f=25 With that said. I used the CPP blocks. They came with the blocks new U-Bolts. Since I also used 4 inch drop springs for a total of 6 inch drop, I needed to adjust the pinion angle with a 3° shim. The installation is pretty straight forward, basically remove(or cut) the old u-bolts off, put the spacer in and put the new u-bolts on. The new u-bolts came with nylon locking nuts, so I didn't get too crazy with the torque. |
07-12-2022, 06:33 PM | #4 |
Senior Member
Join Date: Dec 1999
Location: TX
Posts: 1,582
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Re: 71 Rear lowering blocks
I want to add, after using CPP stuff, I wouldn't buy any of it again.
I'd buy everything from No Limit https://nolimit.net/store/1967-72-Chevy-Truck-c6157532 Here's their drop blocks: https://nolimit.net/store/Drop-Blocks-p28240706 |
07-12-2022, 07:55 PM | #5 |
Registered User
Join Date: Jun 2017
Location: Whitley City, Kentucky
Posts: 3
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Re: 71 Rear lowering blocks
Thanks for all the help! Great site.
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07-17-2022, 10:28 PM | #6 |
Registered User
Join Date: Jun 2017
Location: Whitley City, Kentucky
Posts: 3
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Re: 71 Rear lowering blocks
I ended up going with the drop blocks from No Limit. Great product and super fast shipping!
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07-18-2022, 07:05 AM | #7 |
State of Confusion!
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,956
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Re: 71 Rear lowering blocks
One thing to remember, with 2" blocks your U-bolt ends will drag with a flat or super low tire on 15" wheels. From what I have seen, if you have 17" or bigger your OK.
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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! |
07-18-2022, 08:54 AM | #8 |
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Join Date: Apr 2022
Location: Hillsboro, Oregon
Posts: 456
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Re: 71 Rear lowering blocks
That can happen as some of the U bolts that come with the block have really long threaded areas. You can cut them off and still have thread sticking out, or just get some shorter u bolts. I have 2" blocks on my truck with 15s and I would pretty much have to be on bare rim before it thinks of dragging.
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The Twins: 1968 C10 SWB - Blue 327/5 Speed 1968 Camaro SS/RS - Blue 327/4speed C10 Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=833278 The "Others" 1933 Ford Pickup (Camaro in disguise) 2017 Camaro SS Life long Chevy guy |
07-18-2022, 03:56 PM | #9 |
State of Confusion!
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,956
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Re: 71 Rear lowering blocks
Yep, that's what I meant. Had a flat and drug a u-bolt on the pavement
__________________
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! |
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