Trend Health 425 Oldsmobile Engine Specs 1966 Ci Photograph By Mike Martin Common in 88 98 wagons It s a 67 toronado engine so it has all the good stuff including 10 5 1 pistons and decent flowing big valve heads The 425’s stroke was lengthened to 4 25 in 67 REBUILT 425 OL By Cara Lynn Shultz Cara Lynn Shultz Cara Lynn Shultz is a writer-reporter at PEOPLE. Her work has previously appeared in Billboard and Reader's Digest. People Editorial Guidelines Updated on 2025-10-27T21:04:35Z Comments Common in 88 98 wagons It s a 67 toronado engine so it has all the good stuff including 10 5 1 pistons and decent flowing big valve heads The 425’s stroke was lengthened to 4 25 in 67 REBUILT 425 OL Photo: Marly Garnreiter / SWNS Common in 88, 98, wagons. It's a 67 toronado engine so it has all the good stuff including 10.5:1 pistons and decent flowing big valve heads. The 425’s stroke was lengthened to 4.25 in. '67 REBUILT 425 OLDS ENGINE WITH MOST PARTS REQUIRED TO INSTALL IN ROD A big block measures 14 between the heads at the manifold base. Oldsmobile 425 v8 1966 with 4.125″ bore, 10:25 compression ratio. They were supposed to have 385 hp and around 480 ft/lbs. How Tall Is Peter Hermann A Comprehensive Guide To The Actors Height And Career Does Donald Trump Play Any Instruments Exploring The Musical Side Of The Former President Patti Smith The Iconic Poet And Punk Rocker Brenda Harveyrichie A Tribute To A Remarkable Life Billie Eilish Nip Understanding The Controversy And Its Impact Oldsmobile 425 v8 1965 with 4.125″ bore, 10:25 compression ratio. Yes your engine is a 66 425ci. Engines in vista cruiser wagons may be. The olds 425 produces tons of low rpm torque. Facing the front of the engine, at the top surface of the timing chain area, to the left of the oil fill. The information contained in all of the engine detail sections should be read before proceeding with modifications, etc., because some information that applies to all engines, or all. Will have c heads, probably not big valves. The information contained in all of the engine detail sections should be read before proceeding with modifications, etc., because some information that applies to all engines, or all. The boxwrench engine specs database is a community resource for mechanics of all skill levels to access a reference library of firing orders, distributor rotation directions and block. 1965 Oldsmobile 425 Engine Specs Prices Online 1965 Oldsmobile 425 Engine Specs Prices Online '67 REBUILT 425 OLDS ENGINE WITH MOST PARTS REQUIRED TO INSTALL IN ROD 1966 Oldsmobile 425 Ci Engine Photograph by Mike Martin Close Leave a Comment