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04-08-2016, 09:18 AM | #1 |
Senior Member
Join Date: Jul 2014
Location: Los Gatos, Ca.
Posts: 407
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Replacing 62 rearend with a 72 rearend
Hello all,
I've got a line on a 72 C20 trailing arm rear axle with 4.11 gearing. I'm thinking this would be a good swap into my 62 C20. Question - Can just the 3rd member be swapped or does the complete axle need to swapped ? Thanks.
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1966 K20 flatbed build thread - http://www.67-72chevytrucks.com/vboa...d.php?t=768827 62 C20 build thread - http://67-72chevytrucks.com/vboard/s...d.php?t=703583 |
04-08-2016, 09:42 AM | #2 |
State of Confusion!
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 47,216
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Re: Replacing 62 rearend with a 72 rearend
There is differences in the splines between the early years and the 72. I just had a shop do a changeover for mine and found out about the spline count differences between the early years (pre 66 I believe) and the later 12 bolt.
It can be done, but it would be probably easier to do the entire axle. It will be a 1.5" wider axle overall, but will work.
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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! |
04-08-2016, 01:21 PM | #3 |
Six in a row makes it go...
Join Date: Mar 2009
Location: Vacationland: Maine
Posts: 1,346
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Re: Replacing 62 rearend with a 72 rearend
Is there a difference on the track bar? I have a '71 rear in my '66. My buddy says my truck is "crabbing". I haven't done any measuring yet, but I'm using the '66 track bar and wondering if I need an adjustable one.
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67 C20 long step resto: http://67-72chevytrucks.com/vboard/s...d.php?t=342086 66 C10 long step build: http://67-72chevytrucks.com/vboard/s...=1#post3814790 CT to Alaska in a 67 C10: http://67-72chevytrucks.com/vboard/s...d.php?t=399224 “The height of sophistication is simplicity." - Clare Boothe Luce |
04-08-2016, 04:51 PM | #4 |
Senior Member
Join Date: Jul 2014
Location: Los Gatos, Ca.
Posts: 407
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Re: Replacing 62 rearend with a 72 rearend
Yes, I believe there are track bar mounting differences to take into account.
__________________
1966 K20 flatbed build thread - http://www.67-72chevytrucks.com/vboa...d.php?t=768827 62 C20 build thread - http://67-72chevytrucks.com/vboard/s...d.php?t=703583 |
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