396/375 cam for street 454? - The Supercar Registry

#18

03-27-2006, 08:35 PM

Jim Ferron Jim Ferron is offline

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Re: 396/375 cam for street 454?

Open Chamber vs. Closed ...Open was Chevies answer to a Hemi...OPEN allows better spark travel..as far as port design... Ihave no idea as to why GM made so many versions of the same thing except to assume it affects the RPM which peak horsepower is made.

Open Chamber also lowered emmisions dramaticly..

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