2v or 4v heads???
Postmaster
Joined: Nov 2002
Posts: 3,447
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From: Littleton, CO
First off, welcome aboard!
Secondly, depends on the motor... For the most part, the 2v/4v heads, as far as I recall, only differed in the Cleveland (351c) motor. The ports were of different sizing and it gave the 2v some serious low end torque.
I'd hold out for an expert, but let us know what motor you are referring to.
--Mike
Secondly, depends on the motor... For the most part, the 2v/4v heads, as far as I recall, only differed in the Cleveland (351c) motor. The ports were of different sizing and it gave the 2v some serious low end torque.
I'd hold out for an expert, but let us know what motor you are referring to.
--Mike
Junior User
Joined: Jun 2005
Posts: 79
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The 351C-4V has HUGE PORTS !!!! NOT GOOD FOR BOTTOM END !!!, NASCAR DOES GOOD WITH THEM !! L@@K at my user name !!! 351CJ, "Q" code in a original 1973 "gran sport" FASTBACK. Street performance and LOW END TORQUE went "THROUGH THE ROOF" with the 2-V heads !!! The only exeption is UNLESS you plan on running 7000+rpm in your motor.
