WebJul 9, 2024 · 237K views 5 years ago How to get a few extra horsepower for free when rebuilding and engine. Port your own cylinder heads and intake. You can do it yourself if you have a good …
A Little Something Xtra: Brodix BBC Head Test - Street Muscle
WebOct 13, 2015 · The head test revealed impressive results. Equipped with the CNC-ported, E-bay aluminum heads, the 383 produced 483 hp at 6,300 rpm and 441 lb-ft of torque at 4,700 rpm. We figured these were pretty decent numbers considering the cost of the heads, or at least until we saw how well the Dragon Slayers performed. WebNov 13, 2024 · “Cylinder head porting is something that you develop with repetition. You make subtle changes and you see if it makes it better or made it worse. Air has to pass like a funnel effect. It starts bigger in the front and as you get towards the valve, the port gets smaller and smaller. css hairline
Porting heads Harley Davidson - YouTube
WebSep 20, 2013 · CNC Porting To port cylinder heads with a CNC machine, you need a machine with 5-axis capability. A 5-axis machine can move the head and tooling to reproduce all of the complex moves it takes to completely machine intake and exhaust ports. WebSep 25, 2010 · Port the head, short turn work along with the bowl, I dont want to get carried away here. Now here's the problem, you can get 300 cfm out of these heads but, when you bolt on the intake you lose way more cfm than you do with say a 049 or 781, and this is what kept me from finishing this experiment. WebNov 2, 2004 · With the baseline set, the old 6X heads came off, and the spanking-new KRE aluminum versions went on. KRE changed the heads only, still using the same carb and intake. The best pull of many... csshalgroup