WebMay 11, 2024 · Recommended Header Primary Tube Diameter. For most street/strip cars, operating mostly at or below 6,000 rpm, we recommend the following Header sizes: … WebOct 16, 2007 · I know magazines articles aren't always 100% valid, but this month's Car Craft did a test of collector extensions. Simple 18" collector extensions didn't really affect the topend power, but added up to 59 ft-lbs of torque and 43 hp to the midrange! The boost in power started at 3100 rpm, peaked at 3900, tapered off at 4500, then rose to 12 ...
Exhaust System Performance Math - Muscle Car DIY
WebJun 17, 2024 · For example, a 500 horsepower engine would require a 5-inch exhaust pipe (split into dual exhaust that means a 2-1/2-inch diameter pipe for each engine bank). This, of course, is a rough estimate, and there are several complex mathematical formulas to help you discover the "perfect" size pipe to use for your hot rod project. WebDec 19, 2003 · Everett#2390. Collector extensions help the lower end of the power band by aiding in matching the flow (read Volume) of gas entering the atmosphere. Also provides a longer length tube for the velocity spike to bouce back for cylinder evacuation. This is one of the easiest tools for tuning. intertrust group b.v
The Correct-Sized Headers Will Give You the Best …
WebJan 20, 2015 · For a Tri-Y header to have the proper effect on performance, the cylinder firing order must be properly paired so that the next firing cylinder is separated. For example, an LT-1’s firing order is 1-8-7-2-6-5-4-3 so pairing of the 1 and 5 and 3 and 7 cylinders on the passenger side and the 2 and 4 and 6 an 8 cylinders on the driver’s side ... WebMar 22, 2024 · These turbocharged engines will get more power with performance headers; Engine size. Larger engines will receive a bigger boost with exhaust manifolds than a smaller engine; ... From there, they merge with the collector. These headers often offer a broader torque curve than regular 4 in 1 header. new glass rj210528