May 25, 2014 · Olds and Buick lowered the compression ratio on their blueprinted 1971 W-30 and Stage 1 engines from 10.5:1 to 8.5:1 and complied with a mandated switch from SAE gross to …

Jan 31, 2009 · The W30 was lighter with aluminum intake and partial fiberglass hood, plastic dash and even could have had the aluminum carrier on the rearend and it still couldn't run with the GS!

Feb 24, 2025 · Two stars of the epic 1970 model year, the Olds 4-4-2 W-30 and Buick GS Stage 1, were extensively tested by America's most prestigious automotive magazines to see how …

Sep 23, 2018 · Available first in 1966 on the 400-cu.in. Tri-Carb 4-4-2 and continuing with a four-barrel thereafter, the W-30 was a comprehensive go-fast option package. For 1970, with 55 …

Jun 11, 2019 · Oldsmobile’s 4-4-2 Holiday (hardtop) coupe started at $3,376, but the W-30 package ran $369.68—considerably more than what Buick charged for the GS. “Select Fit” …

May 31, 2023 · It's one of just 3,100 W-30 4-4-2s produced that year and has undergone a four-year, nut-and-bolt, rotisserie restoration.

Mar 8, 2011 · I thought I would share my results on a recent build. This engine is the original engine for our Black W30 four speed. The specs are 100% original except for a half point …

Oct 4, 2015 · The Buick GSX 455 Stage 1 has recently been recognized as one of the great muscle car engines of the 1960s and early 1970s and is enjoying a revival of sorts. Back in the …

Mar 29, 2024 · Powered by a Rocket 455 and donning a luxurious interior, the 4-4-2 W-30 was Oldsmobile's uspcale answer to the high-powered intermediates unleashed in 1970

At Barrett-Jackson’s 2023 Scottsdale auction at Westworld, we found these Oldsmobile 4-4-2 and 1972 Buick GS convertibles in the same color and thought it would be neat to show how they …