WebMay 29, 2024 · They featured a 1.782" intake valve and a 1.46" exhaust valve, with a combustion chamber size ranging between 60.6-63.6 cc. Factory port volume was 127cc intake and 44cc on the exhaust side with … WebFeb 1, 2009 · All testing was performed on 91-octane pump gas. Equipped with the as-cast 190 cc heads, the 408 produced 463 hp at 5,600 rpm, and 480 lb-ft of torque at 4,300 rpm. Swapping on the CNC-ported ...
E7TE Heads 460 Ford Forum
WebMar 16, 2024 · Run with the stock 5.0L E7TE heads, the 331 stroker produced 346 hp at 5,500 rpm and 391 lb-ft of torque at 3,700 rpm. The stock heads offered reasonable … WebDec 12, 2016 · My experience porting E7TE heads has been along the lines of basic and safe (ie doesn’t find water). This has meant, at most, installing 1.94 intakes and 1.6 exhausts blending the seats into the port bowl, skinnying the guide boss some and there you go flow up from about 155 at 0.500 to about 190 with a similar increase on the exhaust. ct-5mrn-600at
Ford Head Flow Data and Specs - carbdford.com
WebThis picture of a typical stock exhaust port shows several important features: 1) Circled in yellow is the "Thermactor bump". This obstruction on the roof of most post-1966 Ford Windsor heads is a huge impediment to exiting gasses. Grind this out! 2) The grey stem in the back of the port is the valve. Note the valve guide boss. WebFeb 4, 2014 · The E7te’s can easily be modified with larger valves then ported to a point where they flow a stupefying 30% more then they do unported. This is also 16% more than … WebApr 16, 2024 · The difference is the ported E7TE head is doing it with 150cc port. I would not hog that port out, I would Pitot and graph that port and remove only what you really need to hit your goals. David will be a big help with this. The exhaust will need a full workup but they should go 175cfm or more without issue. Thanks, Charlie ct-5mrn100