1964 Chevelle 327, 340hp

[olredalert]

----I wasnt raised in Detroit, but since moving here 17 years ago I have heard from several guys that they remember 327/365 64 Chevelles in and around Detroit. Most have felt that they were skunkworks cars being tested by GM. Makes at least some sense. Wonder what Jim Mattison might say about this quandry???......Bill S

[marxjunk]

i remember the story of a special tach being built pre production...and an NOS went across ebay way back..a guy built a car around the tach..some rag had the story about it

[bigsixman]

I have heard of the late 1964 chevelle 327/365 engine option for many years and I read about the red clone one built several years ago. The 6500 redline tach that found it's way into some el caminos and other chevelles has been told many times. The one piece of credibility that I have always kept in the back of my mind was the fawn colored 1964 327/365 chevelle advertised in the Hot Rod Magazine classifieds back in about 1965. I am recalling this from memory, but I believe that it was located in Kansas. We had a white one in our area back in the day, but it started out as a 327/250 and had a vette engine transplant. Many GTOs ate the humble pie when they met up with that car.

[Paul_S]

With V8 being available across all models (Chevelle 300, Malibu, and Malibu SS), it appears time ran out. A handful may have been built at the very end and/or engineering cars survived and sold. Looks to be slim chance for a RPO assembly.

Jan '64 (listing L76)


May '64 (327 Released, Hold on L76)


June '64 (L76 pulled from list, bullet and space still there)



Paul

[1967Z28]

Neat information. Thanks Verne and Paul for posting those items.

[Verne_Frantz]

The "high performance" 327 referred to in Paul's TSB was the 300hp, not the L-76. The 300hp was released in June as mentioned.



Total production of the 250hp 327 (L-30)was 6598. The 300hp (L-74) was 1737. (all domestic, no export)

Verne [img]<<GRAEMLIN_URL>>/biggthumpup.gif[/img]

[Paul_S]

So with both 300 &amp; 365 being referenced as High Perf and a singular June engine reference release confirmed, the L76 appears to be left on the vine... but it could have fell through the cracks and not be captured on these production totals. -like the Chevy II/Nova L77.

Paul

[442w30]

What books is showing this bulletin, and what's the L77?

FWIW, the AMA Specs sheet shows the 327/365, but that doesn't mean any were built. If it wasn't listed, then I think it would be safer to assume it was not produced, period.

http://www.gmheritagecenter.com/docs/gm-...et-Chevelle.pdf

[Paul_S]

L77 is the 220HP 4brl 283. Yes, &quot;safe&quot; to assume that as the L74 300HP was finally approved, the L76 was not and removed from material reference. AMA ref is early as well.


Paul

[COPO_Anders]

This is just an article ofcourse. Not proof.