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Thread: 396 to a 427 or 454
          
   
   

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  1. #1
    68chevelless396 is offline CHR Member Visit my Photo Gallery
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    Dec 2003
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    stuart
    Car Year, Make, Model: 68 Chevelle SS, 96 z28
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    16

    396 to a 427 or 454

     



    I heard that the only difference between an 427 and 454 is the crank shaft. I was considering borring the 396 out and making a 454 or a 427. the main thing i was wondering was about the heads. The 396 has the stock heads and i was wondering if i could use them and if not what are some afordable ones. I would like to try to keep this under 3 grand if it is at all possible

  2. #2
    poncho62's Avatar
    poncho62 is offline CHR Member Visit my Photo Gallery
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    Feb 2004
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    Hanover, Ontario, Canada
    Car Year, Make, Model: 51 Ford Pickup
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    You can't bore a 396 to 427..........

    Nothing wrong with a 396, they are a decent motor.

    As for heads, there are different heads for hi perf 396s, but you would also have to change pistons........
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  3. #3
    william is offline Registered User Visit my Photo Gallery
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    LV,NV
    Car Year, Make, Model: 70 chevy C20 p/u
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    no you can't get a decent 4.25 inch bore out of a 396....you can put a 4" crank into it though(instead of the 3.76")...that makes around 440c.i. a little massaging of the lower cylinder bores and maybe along the oil pan rail might be required to clearance the crank...it's simple,just be careful not to take too much off(you only need about .050)... i believe an oil gallery runs along the bottom of the pan rail...

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