WebJan 27, 2012 · The 760 stock cylinder porting is designed to run the 760 huge volume exhaust pipe and no way can you fit it in the Superjet. The more aggressive 760 cylinder is more like a heavy ported 61X cylinder for closed course racing, a loss in bottom end and big increase in mid to top power. WebAug 1, 2006 · Adding material to the ports (either by epoxy or welding) will reduce the cross sectional area and will increase the flow velocity, increasing bottom to mid performance, …
Cylinder Head Porting; Turning Air Into Power
WebDec 5, 2024 · A cam and porting the heads is never a waste of money imho. Think about the designers when they built the 7.3, workhorse longevity and emissions was their concern not performance, so optimizing the cam profile with flow #'s of the ported/worked heads and towards performance is definitely beneficial. WebFeb 19, 2010 · Aug 4, 2005. 5,040. So. Lake Tahoe CA. USA. Any of the TBI, 305 & 350 small block truck engines from 87-94 will have the swirl port cast ramp heads. These are only good for low rpm torque and mid-range cruise. Not really any performance potential but decent mild, (read that stocker / high mpg) engine build. canning lids with blue seal
Swirl port heads?????? NastyZ28.com
WebApr 15, 2024 · The purpose of cylinder head porting is to find high velocity low-pressure areas that can be improved upon, avoiding low velocity high pressure areas. The biggest … WebCompletely ported and polished (starting @ 240+ cfm) Competition 3 angle valve job done with our Serdi machine FULL bronze guides (not liners) Ferrea Stainless Steel valves Surfaced on all 3 sides Retainers & HD valve locks Tall dual springs New 5/16 guide plates 7/16 rocker arm studs HP valve seals Blue printed and assembled per application “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. See more In general, the most critical areas when porting a cylinder head are those which pass the most air at the highest speed and for the longest duration. Since the highest speed and longest duration airflow happen within the port at or … See more Creating that venturi can be done one of two ways – by hand or using a CNC. Some people have always done it by hand and have developed a skill set that is now getting replaced by CNC machines. However, whether you … See more Remember, if you start conservatively with the amount of material you remove, you will avoid a number of potential issues. However, not everyone ends up being conservative, and the … See more There’s no question cylinder head porting can be a very effective way to improve the efficiency and airflow capabilities of any cylinder head. But when’s the right time to spend the money? That depends on what you’re trying to … See more fixthisrabbithole