Thread: 67-72 or 73-87
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Old 08-17-2007, 11:27 PM   #30
gearheadperkins
4.3 ss
 
Join Date: Jan 2007
Location: jc, tn
Posts: 347
Re: 67-72 or 73-87
Quote:
Originally Posted by NovaMan
I agree.

396s had 4.094" bores, and 402s had 4.124" bores. IIRC, GM switched some time in 1969.

this too
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