Thread: High Tech Pontiac OHC L6
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  #60  
Old 05-09-2014, 03:31 PM
scooter1966 scooter1966 is offline
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Join Date: Sep 2011
Location: northern va
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not sure if i remember correctly but didnt the 1b heads come with stronger springs than the dual 4b, wouldnt you want to stick with the single if thats the case?

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