WebApr 5, 2009 · A buddy of mine has a mild 403 that he built and only put 10K miles on before it spun a rod bearing and trashed the crank. Between us we have several 350 shortblocks that could donate a crank and rods to fix it without building a whole new motor. I've been digging around trying to find the weight on the pistons and haven't come up with much ... WebThrough our research and development program we have learned exactly what these Oldsmobile engines are capable of, mechanically and throughout many different horsepower and torque levels. Featured Products Freeze Plugs, Cylinder Head $ 18.25 Add to cart Valve Covers Tall Cast Aluminum $ 705.00 $ 595.00 Add to cart Roller bearing thrust bumper
Gregory Shumaker - Senior Principal Consultant - Business …
WebSep 24, 2024 · Performance upgrades are just as plentiful, permitting owners to upgrade suspension, drivetrain and exhaust systems with relative ease. Engine. An 185hp Oldsmobile 403 was standard; however, Pontiac's 220hp 400 and 150hp economy 301 were optional (in 49 states). Don't fear the 403--it's torquey and reliable; it's also more affordable. Brakes WebMay 1, 2011 · The stock Oldsmobile 403 enjoys the benefit of a giant 4.351-inch bore diameter with a relatively short 3.385-inch stroke. Miller says when Olds opened up the bore on these '70s-vintage... leigh environmental toronto
Oldsmobile TA 403 - Precision Engine
http://www.gmceast.com/technical/Mondello-OldsRebuilding-Spr10.pdf WebJun 27, 2024 · The Olds 403 was designed to be a big block in a small-block package. As a result, it has a bore of 4.351 inches (110.5 mm), giving it one of the widest bores of any factory small-block V8. Oldsmobile discontinued the 403 after the 1979 model year. General Motors used the Olds 403 as a ‘corporate engine’ across its line of brands. WebAug 31, 2010 · In a last desperate attempt to keep performance in the TA, a turbo version of the 301 was developed. Although it was rated at 210 hp, more than the Olds 403, its performance never lived up to its hype, thanks to the limitations of its crude electronics to control pre-detonation. GM’s turbo skills with Buick’s hot V6 were still a few years away. leigh erickson falcon