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193 heads on a Carbureted Chevy 350

Discussion in 'Engine / Swaps etc.' started by Coriolanus, Oct 14, 2011.

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  1. Coriolanus

    Coriolanus Not-quite-so-new-guy

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    Anyone ever use 193 heads on a carbureted Chevy 350? I'm hearing the flow of the 193 heads is poor and they should not be taken over 5000 rpm.
     
  2. 13bravo

    13bravo Apprentice

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    I don't remember, are these the Swirl Port Heads? If so they are a bottom end truck head, and I've seen many of them cracked, unless they are the heavy duty truck head with the 3/8 exhaust valves and hardened exhaust seats installed from the factory. Those were less likely to crack but flow even less due to the 3/8 exhaust valves.

    If your just looking to build a low end daily driver they should work fine.
     
  3. Coriolanus

    Coriolanus Not-quite-so-new-guy

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    I'm not looking to race or anything like that. I would like to build a car for going to work and cruising. My engine has an 880 casting block number and the 193 heads. With the quadrajet, I should get good fuel economy.
     
  4. bigdan

    bigdan Master Mechanic

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    if all you want is reliabilty and economy its alright keep the 193 ...
     
  5. Coriolanus

    Coriolanus Not-quite-so-new-guy

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    Thanks, I will. I would hate to have to remove the 191 heads on the other block. I hear they crack when removed.
     
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