The following information has been directly complied from original buick service manuals for the respective year of vehicle manufacture.
Buick 455 connecting rod length.
Buick 400 430 and 455 rods on sale.
General specifications for the 1968 400 430 and 1970 buick 455 cubic inch engines.
Stroke notes pin main min rod bob part and price.
Stock length and stroker rods.
That puts the rod length at 7 2 i recommend going with aluminum.
All regular production pontiac v 8s from the 326 to 455 used a connecting rod that measures 6 625 inches from the center of the wristpin bore small end to the center of the crankshaft bore big.
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Molnar technologies 455 buick crankshaft specs.
Buick 400 430 455 engine specifications and blueprinting.