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Greenlight · 01-07-2019, 04:07 PM

Dwight, according to the source below and other sources the 461 and 461X casting numbers date back to 1961 (first 327 engines).

http://www.corvetteactioncenter.com/...gines-286.html

http://www.chevytech.com/3c3782461.html

01-07-2019, 04:07 PM	#13
Greenlight Member Join Date: Dec 2004 Posts: 215 Likes: 16 Liked 79 Times in 22 Posts	Re: Chevy OE cranks, cyl. heads. Dwight, according to the source below and other sources the 461 and 461X casting numbers date back to 1961 (first 327 engines). http://www.corvetteactioncenter.com/...gines-286.html http://www.chevytech.com/3c3782461.html