WebCosworth Big Valve Cylinder Head with Camshafts Subaru WRX STI EJ25 2.5L 04-06Cosworth CNC ported cylinder heads feature dyno tested and flow bench proven ports, engineered for maximum usable power. Each new cylinder head is ported on a 5 axis machine to ensure consistency and perfect port shape every time. WebSep 9, 2006 · Data from my V7 Large Ported heads. Yes they are the large port version. It's easy to see the difference by just looking at the ports. Flow at 28" water. Stock they flowed at .400" lift 262cfm intake and 188cfm exhaust. At .400" lift after porting, they flowed 297cfm intake and 243cfm exhaust.
head porting Ford Focus RS Forum
WebMay 11, 2024 · Cosworth Tuning (YB) – Cylinder Head. The standard cylinder is very good. It can support up to 350bhp without modification. For 350-500bhp the valves can remain … k8s multiple networks
Ported Big Valve Cylinder Head Modifications Norris …
WebJan 8, 2016 · The heads on this unique SBC started out as -492 castings but were heavily modified to position the fuel injection and intake ports on the opposite side of the valve covers. This unique interpretation of a … WebMar 2, 2024 · Ford RS CosworthInlet porting in conjunction with the engine head.Work done with Rottler Manufacturing P69 WebTopics relating to Cosworth's performance video and overlay system suitable for Scrutineering. 28 80 Do AliveDrive system support 2 cameras? 1668599574 by Td5; GM … k8s ha cluster