Web3-1 Long-Tube Headers by Doug Thorley Headers®. Doug's headers are designed to outflow your stock exhaust manifolds by leaps and bounds. ... Collector Outlet Diameter: 2.25". This tri-y header kit is an easy installation and will really wake up the motor on your Toyota. Tri-Y, or 4... Made to provide unequaled quality and reliability Made with ... 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 ...

6.2L LS Equal Length Headers with NASCAR Tri Y Collectors!

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 · 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. hilton in hoover alabama

Tuning Header Collectors for Optimum Performance

WebAug 2, 2011 · Slowly piecing things together, not looking to make it a race car, and would like to hear thoughts, advice and experience. 1966 Father/Son/Daughter Restomod. Original Engine Code C: 289cid V-8. Edelbrock Performer Series Intake. Edelbrock 600 CFM Carb. Hedman Midlength Headers. Flowmaster 40 Dual Exhaust. Pertronix Flame Thrower II … 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: … WebFeb 16, 2024 · The long-tube header is the most recognizable of the designs. “They have been the staple of the header industry since the ’50s,” Lindfors describes. “This four-into … hilton in granbury texas