Holley Factory Refurbished Carburetors

toolmanmike said

How many carbs are bought, installed, never adjusted, and sent back because it doesn't work right. Probably most of them.

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As you well know, If you read most reviews of any carbs from Summit or wherever pretty much all mention they took it ootb and bolted it on and it worked great, some occasionally mentioning all they had to do was fine tune the mixture screws and idle speed. Very rarely you might see a review where someone mentions having to change jets etc. The negatives usually relate to being pig rich or not getting it to idle right etc.
Most want a bolt-on carb ootb. Doesn’t exist, Might luck out and find one close to what the engine needs but rare. And for certain even the ones who slap it on and report positive results, there’s no way it’s optimized, especially the Power Valve.