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#1
11-30-2013, 02:42 PM
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Re: 1964 Chevelle 327, 340hp
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] 
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#2
11-30-2013, 03:39 PM
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Re: 1964 Chevelle 327, 340hp
So with both 300 & 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
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#3
11-30-2013, 03:49 PM
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Re: 1964 Chevelle 327, 340hp
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
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#4
11-30-2013, 05:16 PM
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Re: 1964 Chevelle 327, 340hp
L77 is the 220HP 4brl 283. Yes, "safe" 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
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#5
11-30-2013, 07:59 PM
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Re: 1964 Chevelle 327, 340hp
This is just an article ofcourse. Not proof.  
__________________
Anders Stålklint. After selling my COPO 9561 I´m now a "postman" with the main project being a 1966 327 2 dr sedan Chevy II. 
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