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. WebNov 20, 2009 · The Olds 403 was used by Buick and Pontiac in addition to Oldsmobile. The engine was only produced through 1979. Output was 185 hp (138 kW) and 320 lb·ft (430 N·m). ... They might fair better for hi-performance use, but I would have my doubts... 11-20-2009, 12:47 AM Deez Nuttz : Location: Earth. 4,237 posts, read ...
403 Olds? The H.A.M.B.
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Has anyone built a 350 oldsmobile approx 300-350hp? - Don …
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. WebMar 25, 2006 · The 403 is dimensionally the same as the 260, 307 and 350 Olds V8s. Mondello, TA Performance and others specialize in coaxing big power and torque numbers from these mills, and there is LOTS of aftermarket parts availability for the Olds small block. WebOlds Engine Building - Mondello Performance Products nail polish remover for shellac