1969 Pontiac Grand Prix Original-Owner Rapid Rarity
Adding $119 to the cost of the SJ package, the 428 H.O. boasts a 4-bolt main block with a 4.09-inch bore, a 4-inch stroke crankshaft, No. 62 cylinder head castings yielding 10.75:1 compression, long-branch exhaust manifolds connected to a 2.25-inch dual exhaust system, and a chromed air cleaner lid, valve covers, and oil fill cap. It was gross-rated at 390 hp at 5,200 rpm and 465 lb-ft at 3,400 rpm. The XG-code engine was specific to automatic transmission applications and featured a No. 067 camshaft with 273/289-degrees of duration. A total of just 986 '69 Grand Prixs were built with the 428 H.O. backed by a Turbo 400. View Related Article
|
|