WebFeb 6, 2013 · so far we take a stock iron 429/460 head and cnc port it cut a bigger valve job,leave the chamber as cast [usually around 72cc dove head or 95cc for D3 head]no welding required. so you guys currently do not have a CNC program for the d00e-r cylinder heads? do you guys expect to have one in the near future, if so when? thanks WebPorted heads are worth 20 HP as are headers. This is a high torque stump pulling combo. A 460 engine can use the next larger cam the XE262h I built this and drove it. It rocks... Combo update: A dyno tested combo like the above made 290 RWHP in an E-250 van with ported D3 small valve heads with hedman elite headers and
Thoughts on a cam for a mild 460? Ford Forums
WebApr 22, 2006 · If you will get heads from the 1993 year and up, they have larger exhaust ports because Ford originally made the ports small to create low end torque, but it held too much heat in the engine, so they opened up the exhaust starting in '93 and later. Since he said '87, I'm assuming its still a carb'd truck. WebJun 21, 2005 · The D3 heads are great. The exhausts are not a big deal, and can be made to ... > Johnston is the master of the factory 460 head these days, and he did my > C9s. Yes, you can get 220 cfm from those exhaust ports. ... resourceful forum. Anyhow, I was thinking about porting the heads myself. Just cleaning them up a bit and removing the exhaust ... c# icloneable 使い方
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WebJun 1, 2002 · Even though the SCJ heads are really designed for big cams and high rpm, they still kicked ass on this relatively mild engine, gaining 46 hp and nearly 35 lb-ft of torque over the iron heads.... WebAug 6, 2009 · The standard Ford Production Heads In this family we have several heads including both cast iron OEM production and aftermarket alum. heads. 1. Kaase P-51 … WebThe new Eliminator Products 429/ 460 heads ... Intake porting starts at $300. Head porting. Level 1 hand porting $700. Level 2 hand porting $1050. Cnc ported level 3 add $1250. Cnc ported level 4 add $1650 adds roughly 40-60cfm intake and 20-40cfm exhaust depending on valve size used. dguv information 208-022 pdf