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Thread: Newly acquired 454 cam question
          
   
   

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  1. #1
    jinaeve's Avatar
    jinaeve is offline Registered User Visit my Photo Gallery
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    Jan 2010
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    Murphy
    Car Year, Make, Model: '59 Chevy Apache Street Rod
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    Newly acquired 454 cam question

     



    I recently acquired a '59 Chevy Apache with a 454 Big Block. The previous owner didn't have the specifics of which Cam was installed so I'm struggling with getting this tuned without that info. It's been years since I tweaked engines myself but seem to recall a trick to determine the Cam lobe by doing a vacuum test on the spark plug cylinder.

    Does anyone have any suggestions or recommendations for where I can go to get the best resource material for this?

    Thanks!

  2. #2
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Car Year, Make, Model: '67 Ranchero, '57 Chevy, '82 Camaro,
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    You can check the lift with a dial indicator on one of the pushrods, and with a bit of studying you can determine all the specs of the cam with a degree wheel, TDC finder, and a dial indicator.... What's the engine doing that is giving you grief on the tune up???
    Yesterday is history, tomorrow is a mystery, Live for Today!
    Carroll Shelby

    Learning must be difficult for those who already know it all!!!!

  3. #3
    jinaeve's Avatar
    jinaeve is offline Registered User Visit my Photo Gallery
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    Car Year, Make, Model: '59 Chevy Apache Street Rod
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    Thanks for that... aside from the obvious idle lope, there are some performance improvements I know can be made. i will either rebuild or replace the carb as one step but also accurately tweak the air/fuel mixture, make sure timing is correct and basically just get it breathing flawlessly so when I jump on it, there's no hesitation, cough or sputter...

    Thanks again!
    Jim Naeve
    Murphy, TX - USA

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