Interchangeable GM rearend  parts.  I have a 77-cadillac seville posi - Chevy Forums at Super Chevy Magazine Super Chevy
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Interchangeable GM rearend parts. I have a 77-cadillac seville posi

  
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Interchangeable GM rearend parts. I have a 77-cadillac seville posi

 
hardroller hardroller
I love my Chevy Chevette! | Posts: 1 | Joined: 02/13
Posted: 02/23/13
04:36 PM

I have a 1977 cady seville posi rearend which is a leaf spring hung rearend. It looks simular to a oldsmobile rear. What i need to know is can i find a CHEVY rearend houseing that i can just change all the guts into from the caddy rear.A GM trailing arm rear that will fit under my 1967-CHEVELLE. It will save me about $2000.00 if i can do this.  Need some pros on this problem.  

 
waynep71222 waynep71222
My first time was in a Chevy | Posts: 218 | Joined: 04/12
Posted: 02/23/13
07:26 PM

does it have 28 spline axles and a 10 bolt cover?


GM 8.5" Rear - 28 Spline
10 bolt cover with 8.5" ring gear. Ring gear has 10 bolts and pinion has 30 spline. C/clip rear could have 28 or 30 spline axles. Sometimes referred to as the "GM 10-bolt".
•  Ring Gear Diameter:  8.500
•  Cover Bolts:  10
•  Ring Gear Bolts:  10
•  Spline Count:  28
•  Dropout:  False
•  Pinion Support:  False
•  Carrier Breaks:  2.56 / 2.73
•  Rear Suspension:  Solid
•  Pinion Nut Size:  1-1/4

Compatible with Models:

Apollo:  1973 - 1975  (Rear)
Bel Air:  1970 - 1975  (Rear)
Blazer:  1979 - 1994  (Rear)
Bonneville:  1970 - 1986  (Rear)
C10 1/2 Ton (2WD):  1979 - 1987  (Rear)
C15/ C1500 1/2 Ton (2WD):  1979 - 1990  (Rear)
C1500 1/2 Ton (2WD):  1988 - 1990  (Rear)
Camaro:  1970 - 1981  (Rear)
Caprice:  1970 - 1996  (Rear)
Catalina:  1970 - 1981  (Rear)
Chevelle/ Malibu:  1973 - 1973  (Rear)
Cutlas:  1970 - 1977  (Rear)
Cutlas:  1985 - 1987  (Rear)
El Camino:  1971 - 1976  (Rear)
Electra:  1971 - 1989  (Rear)
Firebird:  1970 - 1981  (Rear)
G10 1/2 Ton:  1979 - 1989  (Rear)
G15/ G1500 1/2 Ton:  1979 - 1988  (Rear)
G20 3/4 Ton:  1975 - 1989  (Rear)
G25/ G2500 3/4 Ton:  1978 - 1988  (Rear)
Grand Prix:  1971 - 1987  (Rear)
GTO:  1970 - 1977  (Rear)
Impala:  1971 - 1988  (Rear)
K10/ K1500 1/2 Ton (4WD):  1979 - 1988  (Rear)
K15/ K1500 1/2 Ton (4WD):  1979 - 1988  (Rear)
K5 Blazer (4WD):  1979 - 1991  (Rear)
LeMans:  1971 - 1983  (Rear)
Malibu:  1973 - 1983  (Rear)
Monte Carlo:  1973 - 1978  (Rear)
Nova:  1970 - 1979  (Rear)
Omega:  1973 - 1979  (Rear)
Phoenix:  1978 - 1979  (Rear)
Regal:  1973 - 1987  (Rear)
Regal:  1985 - 1987  (Rear)
Riviera:  1975 - 1978  (Rear)
Skylark:  1970 - 1972  (Rear)
Skylark:  1975 - 1979  (Rear)
Sonoma:  1994 - 1998  (Rear)
Suburban 1/2 Ton:  1979 - 1991  (Rear)
Suburban 1/2 Ton:  1979 - 1991  (Rear)
Suburban 1/2 Ton:  1979 - 1991  (Rear)
Suburban 1/2 Ton:  1979 - 1991  (Rear)
Trans Am:  1970 - 1981  (Rear)
Ventura:  1976 - 1977  (Rear)


~~~~~~~~~~~~~~~~~~~~~~~~~

the 67 chevelle rear end is probably an 8.2  will they interchange..


GM 8.2"
10 bolt cover with 8.2" ring gear. Uses 28 spline c/clip axles.
•  Ring Gear Diameter:  8.200
•  Cover Bolts:  10
•  Ring Gear Bolts:  10
•  Spline Count:  28
•  Dropout:  False
•  Pinion Support:  False
•  Carrier Breaks:  2.76 / 3.07
•  Rear Suspension:  Solid
•  Pinion Nut Size:  1-1/8

Compatible with Models:

Bel Air:  1964 - 1972  (Rear)
Biscayne:  1964 - 1972  (Rear)
Camaro:  1967 - 1970  (Rear)
Caprice:  1965 - 1971  (Rear)
Chevelle/ Malibu:  1964 - 1972  (Rear)
Chevy II:  1964 - 1968  (Rear)
El Camino:  1964 - 1972  (Rear)
Impala:  1964 - 1972  (Rear)
Monte Carlo:  1970 - 1972  (Rear)
Nomad:  1968 - 1972  (Rear)
Nova:  1964 - 1972  (Rear)
Skylark:  1964 - 1969  (Rear)
Tempest:  1964 - 1970  (Rear)
Trans Am:  1969 - 1972  (Rear)
Ventura:  1971 - 1971  (Rear)
Wildcat:  1964 - 1972  (Rear)