Bonneville Speed Week And Chevy Engines - Performance Q&A

Read some Q&A's about a Chevrolet ZZ4 crate engine, LS2 crate engine, and week at the Bonneville Salt Flats.ZZ4 Mixer
QI have a new Chevrolet ZZ4 crate engine. There seems to be some controversy over the correct or optimal carburetor for this engine. Folks have made recommendations ranging from 600 to 770 cfm. Also, I'm using stock ram's-horn, cast-iron exhaust manifolds. Are these OK, or should I install headers? The engine is installed in a shortened '69 Chevy half-ton truck fame with a '51 GMC panel truck on top. The rig is used mostly for towing a small, 16-foot ski boat. Any help will be appreciated. Thanks.
Bob Smith
Via email


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