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Username Post: 1972 400 motor small block        (Topic#344286)
Bob Baum 
Forum Newbie
Posts: 28

Loc: michigan
Reg: 10-26-12
04-25-17 03:16 AM - Post#2688164    

a guy has a chevy small block he claims
it is a 400 out of a 72 caprice how
can I tell
Bob B


Forum Newbie
Posts: 45

Age: 60
Loc: Gent Belgium
Reg: 04-20-10
04-28-17 12:30 AM - Post#2688655    
    In response to Bob Baum

check the freezeplugs if it has three on each side your in luck its a 400 with 4 bolt main
if it only has 2 it still could be a 400 but with 2 bolt main
look at the back or feel of the harmonic balancer if you can feel a notch its a 400, all others do not have this

1973 Chevy Impala
1977 Chevy Blazer
1979 Chevy truck
1981 Buick Skylark
1973 Plymouth Duster
1979 Pontiac Sunbird
and two bikes

Bob Baum 
Forum Newbie
Posts: 28

Loc: michigan
Reg: 10-26-12
04-28-17 03:25 AM - Post#2688662    
    In response to roadmouse

ok I will check it out thanks for the info
Bob B


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