WebAug 30, 2005 · Joined Jun 6, 2004. 227 Posts. #3 · Aug 26, 2005. Look on ebay for soem gt-40 valves, i got a set (all 16) for like 105 bucks to my door, they r undercut and swirl polished and seem to be holding up fine. they r 1.84/1.54. I have my 289 heads milled to 50cc and really worked on the exhaust and a little on the intake and am running a bcam. WebOct 27, 2010 · Start with a basic port match on both heads first before you dig deep into trying to hog out the heads for power. While you are at it, port match your intake as well, again, be mindful of what you are doing with velocity as you remove material. 22GT Registered Joined Jun 29, 2009 37,735 Posts #5 · Oct 26, 2010 1993gt40 said:
FORD 4.7L/289 Cylinder Heads - Cast iron Cylinder Head Material
WebPORTED & POLISHED SBF DART IRON EAGLE 180 CC CYLINDER HEADS - $1404.00. (Spring 1.437 Max Lift 600, 62 CC Combustion Chamber) Dart's new Iron Eagle heads for small-block Fords are a true bolt-on performance upgrade for the highly popular 289/302/351 family of engines. Made from premium cast iron they are ready to go right out of the box. WebAug 4, 2014 · To make these heads work with a performance cam, Slover's Porting Service milled off the original net lash bolt pads to install 38-inch screw-in studs (with a 716-inch bolt size in the head)... daily action hub optavia
1966 Mustang 289 head porting Project PLEASE CRITIQUE
WebDec 1, 1999 · Best of all for vintage Ford owners, the new heads bolted right on top of 289, 302, and 351 Windsor engines, so all of a sudden we went from digging through junk … Web15 hours ago · When I have done back-to-back testing on the dyno with different cams, unported/ported heads, etc., the engines usually peak about 100 rpm higher per 10 cfm of head flow that was gained. I don't know if it can always be quantified in that amount, but I've often seen engines peak 400 rpm higher with a 40 cfm head flow bump with the same … WebSummit Racing Equipment® Precision Cast Cylinder Heads SUM-162SBF185WIN. Ford Windsor, 185 cc Int. Runner, 64cc Chamber, 2.02 Int./1.6 Exh. Hyd. Roller .600 Lift, 351W … biogenetix hepato cl