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Thread: 1.5 to 1.6 rocker swap
          
   
   

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  1. 01-19-2015 06:02 PM #1
    Henry Rifle's Avatar
    Henry Rifle
    Henry Rifle is offline CHR Member
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    Apr 2004
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    Car Year, Make, Model: 34 Ford Low Boy w/ZZ430 Clone
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    I don't have a concern with my switch to 1.6 rockers. However, it wasn't just a rocker switch. It was an upgrade of my Chevy Fast Burn 385 motor to a ZZ430 clone, which included a matched GM cam, roller rockers and springs. The engine already had roller lifters. It was a set designed for engines similar to mine, and the combination of cam and lifters increased the HP from about 385 to around 430. I would never just switch the rocker ratio without examining the entire engine system.
    Last edited by Henry Rifle; 01-19-2015 at 06:08 PM.
    techinspector1, NTFDAY and rspears like this.
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