It Is 4/03 So Let’s Look At Some Olds 403 Dyno Videos! The Ignored Big Bore Small Block Can Make Power

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The Oldsmobile 403 was a pretty short run engine produced from 1977 through 1979 and while it appeared in some performance minded cars of the era like the Firebird, Buick Riviera, and Olds 442, it has never really been looked at as a serious performance engine but the larger hot rodding populous. We’re not saying […]

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