WebThis Weber Racing Equipment-built 389-based, 449-cube Tri-Power engine retains the Pontiac heritage while putting out substantially more horsepower than stock. You can say … WebEFI Pontiac Tripower Adapters 1964-1965. $ 359.95. Add to cart Details.

The Pontiac Tri-Power Story Mac

WebAs this engine is destined for Carufel’s heavyweight Catalina, the powerband is just right. The engine makes over 475 lb-ft of torque from 2,900-4,200 rpm and over 300 horsepower … WebApr 13, 2024 · Available in coupe, hardtop, and convertible configurations, the GTO package consisted of a 325 horsepower version of the 389, a three-speed manual with Hurst … formula for linearity in six sigma

A History Lesson in Pontiac V8 Power - Engine Builder Magazine

WebMay 22, 2024 · 1965 Pontiac GTO 455/469 w/ #48 Heads, '65 Tri-Power 9.25:1 CR Stump Puller Cam Muncie M22W 1st-2.56 2nd-1.75 3rd-1.37 4th-1.00 3.55 Rear Differential ... Nothing to be afraid of. Also nothing sounds better than a tri-power at full throttle all six throats singing that Pontiac song! Enjoy. Reply With Quote #16 ... WebSep 15, 2024 · The 1966 Pontiac GTO Tri-Power Shown Here. The car you see here has the hugely desirable “Tri-Power” carburetion option fitted (three two-barrel Rochester 2G … WebOct 10, 2012 · The Rochester Tri-Power Carbs are more restrictive at the Air Horn area vs the Holley Tri-Power stuff, ... The largest Pontiac 2-bbl carbs (used on the 2-bbl Big Cars with the 455 engine) had a 1.375" Venturi and a 1.6875" Throttle Blade. 2) The Holley 750 Double Pumper Carbs ... difficulty digesting