Automotive Parts and Accessories: GM Performance 12498772 GM Perf. Crate Engine ZZ383—High Perf. Engine - GM Performance

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425 Cfm Carb Popular Q&A

Q: How to Find the CFM of a Holley Carb.
A: 1. Read the list number off the carburetor. The list number is located on the choke air horn, above the date code. On 4500 models, the list number is located on... Read More »

Q: What is the cfm of my carb?
A: probably a 750 CFM, you can replace it with an edelbrock 750, a good easy carb to tune if you have to but usualy take it out of the box and bolt it on and set t... Read More »

Q: What is the cfm of the carb on a 429?
A: Hi Al, i am not after any upgrade in performance, i just want to car to run. it is a stock 429 and it will stay a stock. i believe the carb is original, so its ... Read More »

Q: What would be the effects of installing to large of CFM carb on a...
A: Answer you will be over-carbureted,it will have poor throttle response and bog and hesitate at low speeds and won't run well until very high rpms. poor fuel eco... Read More »

Q: How much horesepower for a Chevy 350 with a 600 cfm carb?
A: Impossible to guess without more information about the internal components. Read More »