Monday, November 14, 2011

8" Rears

There's a lot of info out there about the 9" rears.  When it comes to the 8" rear however, we who are looking for swappable parts and info are mostly out of luck.  I thought I would start compiling some data to assist anyone else that may be trying to find parts, etc.  Here's what I've got so far:

Makes/models/years that had the Ford 8" rear.  Gear ratios are unknown at this time, but expect the usual - >4.00 in the high-end models, <3.00 for the gas-savers, and between 3.00 & 4.00 for most everything else.


FORDE-100(1968 - 1974)
FORDFAIRLANE(1962 - 1967)
FORDFAIRMONT1978
FORDFALCON(1964 - 1970)
FORDFALCON SEDAN DELIVERY(1964 - 1965)
FORDGRAN TORINO(1972 - 1976)
FORDGRANADA(1975 - 1978)
FORDLTD(1965 - 1978)
FORDLTD II(1977 - 1978)
FORDMAVERICK(1970 - 1977)
FORDMUSTANG(1964 - 1973)
FORDMUSTANG II(1974 - 1978)
FORDPINTO(1971 - 1980)
FORDRANCHER1972
FORDRANCHERO(1964 - 1978)
FORDTORINO(1968 - 1976)
MERCURYBOBCAT(1975 - 1980)
MERCURYCAPRI(1970 - 1978)
MERCURYCOMET(1962 - 1977)
MERCURYCOUGAR(1967 - 1970)
MERCURYCOUGAR BOSS 3021969
MERCURYCOUGAR BOSS 4291970
MERCURYCOUGAR COBRA JET(1969 - 1970)
MERCURYCOUGAR XR-7(1967 - 1970)

(Info from Rockauto)

While it's not the best idea to install a used Ring & Pinion, I wouldn't think ill of it if you found a low mileage car that looks like it's be taken care of, and installed a R&P that had minimal wear.

My goal is to find a 3.25 Open Diff ring & pinion, in good shape.  New gears are ~$180, plus a rebuild of ~$200.  Cutting costs is half the battle with my Mustang, and so if I find a good set, I'll use it.

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