Dave1647545494 Posted November 30, 2010 Report Share Posted November 30, 2010 whats the best flowing set of stockers to look for? a casting number is fine I can order in a couple sets and pick through um.... I'm finding conflicting reports on different websites Quote Link to comment Share on other sites More sharing options...
Nickey4271647545519 Posted November 30, 2010 Report Share Posted November 30, 2010 oval port 049s or 781s Rectangle Port 990s or 188s Quote Link to comment Share on other sites More sharing options...
BrianZ06 Posted December 1, 2010 Report Share Posted December 1, 2010 I dont know all the flow# but I always told rect ports will loose bottom end torque and they like really high rpms to get the most out of them. How big of a big block ? Oval ports are better over all head for most applications. What is this motor you are putting these on. Single plane intake or dual plane ? A while back I had a 56 chevy, 427,team g single plane,950hp holley and rect ports. It ran good but I would of have changed to oval ports for the street/toy if I kept it. Quote Link to comment Share on other sites More sharing options...
Dave1647545494 Posted December 2, 2010 Author Report Share Posted December 2, 2010 forced induction 500ci Quote Link to comment Share on other sites More sharing options...
nurkvinny Posted December 2, 2010 Report Share Posted December 2, 2010 http://www.chevelles.com/forums/showthread.php?p=1719526 Quote Link to comment Share on other sites More sharing options...
Dave1647545494 Posted December 2, 2010 Author Report Share Posted December 2, 2010 thanks Quote Link to comment Share on other sites More sharing options...
Nickey4271647545519 Posted December 2, 2010 Report Share Posted December 2, 2010 http://www.chevelles.com/forums/showthread.php?p=1719526 exactly what I said in the first place Quote Link to comment Share on other sites More sharing options...
Dave1647545494 Posted December 2, 2010 Author Report Share Posted December 2, 2010 werd and those are pretty easy to find Quote Link to comment Share on other sites More sharing options...
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