1970 Olds W-30 4 speed Holiday Coupe

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HO455 · #1 12-23-2016, 10:57 PM

Thanks Stefano…Great information! Oldsmobile’s GM John Beltz had major plans for the W-Machines. Sadly the new U.S. governmental emission regulations put an end to the release of the incredible W-43 set for 1970-1971 Oldsmobile 442 W-30s.

As far as the ZL-1 – I remember reading that the L-88 produced a bit more HP than the ZL-1 due to the heat/compression it produced therefore creating more HP. Although the HP gains were offset by the weight savings of the aluminum block and heads of the ZL-1.

John

Olds W-43 - http://wildaboutcarsonline.com/cgi-b...=9990418053673

**1967Z28** · #2 12-24-2016, 04:56 AM

That's an awesome engine. Thanks for the link. It's a shame we didn't get a few more good years in before the emission and safety regulations kicked in as there was some great stuff in the works.

Olds W-43 link

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