Hey everyone! I am new here and I am building my first pontiac motor! its a 74 400 w/6x-8 heads w/ scrrew in studs and a summit 2801 cam. I have the typical qustion. I am not sure if i need to convert to the adjustable valvetrain and what exactly does that mean???? at what lift do you need to do the rocker swap??? oh yeah, just to let you know this is going into an 1986 fiero gt. its mating to a th425 sat night special stall and 3.23's also does anyone have any info and speedpro 2227 pistons!!! they were given to me and the are to old to find specs! I already tried speed pro!!! Thank for any advice in these matters! KIller sight you have here!!!
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67 'Vertible Bird and an '85 T/A.
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