Steel main caps

Discussion in 'PSI Superchargers Tech Questions' started by lucky2wd, Oct 24, 2013.

  1. lucky2wd

    lucky2wd Member

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    Wondering why steel main caps aren't used in blown motors. I've got an old kb olds that has a steel rear cap. All of my arias have alum main caps, but I was told by a Ford man that he liked steel caps in his na hemi. Why? Steel wouldn't break as easy. Different expansion rates... Less absorption... Or is steel used in some cases
     
    #1
    lucky2wd, Oct 24, 2013
  2. aj481x

    aj481x Member

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    Weight .
     
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    aj481x, Oct 25, 2013

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