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Joshua Skinner
Supercharged


Joined: 27 Jan 2005
Posts: 6465
Location: Portland, Oregon
Post subject: (Thu Nov 17, 2011 9:11 am) Reply with quote
The late A-body 7 1/4 does not need different shock plates. The axles tubes are still 2 1/2". The 7 1/4 is fine for most automatic equipped slant six street cars, but street/strip cars and manual trans cars driven aggressively can break them. My 318 equipped '77 LeBaron ate one. My 4-speed equipped '66 Dart ate one.

The Ford Granada/Mercury Monarch rear end is only about 1/2" wider per side than an A-body rear end and the Ford 8" is stronger and has better parts availability than the 7 1/4.



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Joshua Skinner
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slantvaliant
Turbo EFI


Joined: 18 Feb 2003
Posts: 2232
Location: Lubbock, Texas
Post subject: (Thu Nov 17, 2011 2:34 pm) Reply with quote
The Ford rear ends mentioned are good, but check the axle ratios. Granada/Monarch/Versailles rears often came with tall gearing. My son's car had a 2.47:1 ratio.
Also note that some of the Mavericks and Mustangs came with 4-lug wheels.



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1964 Valiant V200, 225/904 PB
BBS, CAI, HEI, LBP, AC, AM/FM/USB, EIEIO
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Matt Cramer
Board Sponsor


Joined: 01 Nov 2002
Posts: 1516
Location: Oxford, Georgia
Post subject: (Mon Nov 21, 2011 9:48 am) Reply with quote
65 Dartman wrote:

73-76 A Body 8.25 LBP rear is a direct bolt-in. Use the shock plates that come with the 8.25 rear


There is also a 7.25" LBP rear from the same model years. Finding the 4.5" bolt pattern does not automatically mean you've found a 8.25".



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"Mad Scientist" Matt Cramer
'66 Dart - turbocharged 225
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kesteb
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Joined: 06 Nov 2002
Posts: 1511
Location: Everett, WA
Post subject: (Tue Nov 22, 2011 10:04 pm) Reply with quote
Interesting question. Would a '66 to '70 B-Body drum fit on the '73 A-Body drum brake spindle?
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