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Thread: Will it work? 305 heads on a 350?

  1. #1
    Junior Member APPRENTICE
    Join Date
    Nov 2007
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    CHESTERFIELD, VA
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    16

    Will it work? 305 heads on a 350?

    I had a 305 that blew up. I was left with a set of 305 heads that only had 50 laps on them. They were fresh from the machine shop. They had a new valve job and had been milled .010 . I have a stock 350 (with out heads) that i want to put them on. I have heard good and bad about doing this. I am racing in a enduro class, where the engines have to be stock. Dont have the money to buy 350 heads. Will this work? I was also told i could install 194 valves.

  2. #2
    Senior Member MASTER BUILDER
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    Dec 2005
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    berea,ky
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    184

    heads

    I know of some guys that have used 305 heads on 400ci.So it should work fine on a 350ci.

  3. #3
    Senior Member MASTER BUILDER
    Join Date
    Nov 2007
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    Wisconsin cheesehead!!
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    213
    do what you gotta do to race! that will work fine, just wount have the same performance as a set of 202 heads for a 350.
    1987 Pontiac Fiero GT
    418ci SBC v8, manual 5-speed.
    dual stage nitrous injected

  4. #4
    Senior Member MASTER BUILDER
    Join Date
    Apr 2003
    Location
    Brookings South Dakota
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    244
    All small block heads are interchangeable; one thing to look for on the 305 heads is some of the chambers are 58cc, so they will raise the compression ratio.
    Competition Engines & Hardcore Engine Parts
    www.cnc-motorsports.com
    [email protected]


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