WebJun 14, 2012 · Header Configuration: 4-1 or Tri-Y? As we mentioned earlier, full-length headers typically use a 4-1 design to empty the primaries into the collector pipe. However, some manufacturers offer headers in a “Tri-Y” configuration. ... Long tube headers make more top end power than shortys but sacrifice low and mid range. Reply. Greg says: … WebThe four-tube full length headers are typically used for higher RPM horsepower, but can also increase the mid range torque in applications were there is room to fit a long tube design. Tri-Y headers for muscle cars, trucks, and motorhomes, yield maximum power from off-idle to 4,500 RPM, making them well suited for applications demanding maximum ...
Tri y
WebSerious Horsepower that’s why! Invented by Doug Thorley Headers, the Tri-Y header is designed to match the synchronization of the engine firing order, thereby maximizing … WebFeb 14, 2007 · Joined May 11, 2003. 4,962 Posts. #6 · Feb 7, 2007. monkeystash said: Overall, an equal length long tube header is the best option, however tri-y's are great for stock engines as they help mid-range power. Agreed. LTs are better at the edges of the envelope, which in a stock/mildy-modded 5.0 you'll never see. mobile home dealers in south louisiana
Long Tube Headers vs Shorty Headers - CJ Pony Parts
WebOn this engine, the longer tube header offers benefits where expected—at RPM levels above 4,000 RPM. In reviewing the dyno results below, this author’s experience suggests that this engine would benefit from a different camshaft with a wider lobe centerline, or at the very least, high-ratio rocker arms on both intake and exhaust valves. WebFeb 14, 2007 · I have seen typical Tri-y's with a 2 1/2" collector choke a 289 off at about 6,000 rpm. The same stock hipo revs freely to 7,000 with a cheap set of long tube … WebFeb 12, 2024 · As the name suggests, the tri-Y features three distinct Y sections formed as the primary and secondary pipes merge together. The 4-into-1 simply joins the four (long) … injury disease