22 block/20 head & cam upgrade gets you a 6500 usable rpm. that means being able to maintain 60-70 mph with your 4:10 gears and long stroke.
http://www.lcengineering.com/
prolly want an electric 32/36 webber.
http://www.webercarbsdirect.com/category_s/391.htm
if you have any other Qs bout what you can do to hep your truck, go here,
http://www.pirate4x4.com/forum/showthread.php?t=775780
it's our bible. everything is in alphabetical order. there is a link to a FREE toyota shop manual for your truck in there.
owner 88 toy pu 4x4