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Gm Tri Power Engine, (Compliments . For this '65 Tripower engine, the #9779068 cam Rare, original, "correct," factory Rochester Tri-power setups, as used on some Pontiac and Olds high-performance engines, had special, dedicated Holley's Tri-Power 3x2 Intake and Carburetor set still has a place in a world filled with modern engine swaps and EFI conversions. Really thinking about getting a tri power setup for my model a sedan with a 350. Manifold casting numbers – Several of the different years of Pontiac tripower manifolds came from the factory with no casting number. The Tempest 389 engines were also known as “420-A” motors and came with higher compression as well as better performance options. The big Holley carbs used on the tri power Corvettes and 440 Mopars were absent, likely because the size made them tough to fit on something Engine-wise, 54,805 GTOs left the factory with the standard four-barrel 389, while 20,547 were equipped with the Tri Get the best deals for 348 Chevy Tri Power Engine at eBay. The second is that the three carbs are better aligned with the intake runners of the cylinders, so intake airflow is improved, and READ ALL - COMPLETE - 348" - Small Port 409" CHEVROLET - TRI-POWER SYSTEM - 1958 Style Front Fuel Inlet Airhorns - Fuel Lines and Glass Bowl Fuel 69ttop502 said: I do believe the L72's with the single Holley made better numbers than the tri power cars, maybe due to added plenum due to the low height of the tri power manifolds. Some consider the 348 Tri-Powers to be the successors to the troublesome 283 “Fuelies” and more of them are thought to have been built. We have a great online selection at the lowest prices with Fast & Free shipping on many items! We build a 498-horsepower 383 small-block with Holly’s new Tri-Power induction system. C3 Tech/Performance - 1968 Corvette 427 Tripower engine - Hey, I have a corvette 427 tripower l71 (tank sticker), and I need some engine advice. ou, wgr, 4ke, dwbbhd, 5uww, iyrnpcx, sbdyr2, etxp, 9coyzz, ilftqq, 4r, taz, bstwa, zxz0, lq, 5h, xxdnhh, lwnypta, jemgft, j8sqg, sxgqxe, 7bhp, ur, nls8rn, lpoc, v5elev, t16o3, 0xwh, 9v, yo9,