Thread: L78/LS6 compatability
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Old 10-25-2022, 03:37 PM
olredalert olredalert is offline
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Originally Posted by Too Many Projects View Post
I am looking for an intake for an L72/L78 build to go in a 1966 Chevelle. I am now wondering if the 1969/1970 intakes are compatible with the left side alternator mounting and short water pump ?

Also, it seems the 3885069 changed design during it's production from 1966 to 1968. Is there any drawback to the 3 hole design over the 2 hole with plenum divider ? Is the open plenum as good for the street as the divided plenum ?
Thanks guys..
----I can give you a NO on performance on the street without the plenum divider. Simplisticly, dividerless intakes are for higher RPMs and work better with big cams etc.....Bill S
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