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#21
10-04-2025, 08:48 PM
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Pictured is the original redesigned Turbo automatic transmission developed for the Gibb Nova’s. DH got some of the cars for modifications of which the paperwork & transmission is applied. The special engine code for the original 396 factory engine is still in the document.
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1stGenFan (10-06-2025), 69M22Z (10-06-2025), big gear head (10-05-2025), dykstra (10-05-2025), L78_Nova (10-06-2025), olredalert (10-23-2025), PeteLeathersac (10-05-2025), RALLY (10-05-2025), Tenney (10-05-2025) | ||
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#22
10-06-2025, 12:58 AM
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E3 Engine code for COPO Chevy II
I still remember Kim Howie telling me about the E3 engine code. He thought it was alpha numerical for Experimental 3 speed automatic transmission.
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copo-2 (10-06-2025) | ||
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#23
10-06-2025, 01:36 AM
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I would suspect that engine suffix “E3” would be related to Tonawanda installing a flexplate with 6 holes for that 6-lug converter hence, “Don’t forget the Extra 3 holes!”
__________________
1962 Biscayne O-21669 MKIV/M-22 1962 Bel Air Sport Coupe 409/1,000
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#24
10-23-2025, 05:31 PM
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Quote:
The special engine code and transmission code have had numerous discussions ever since it was discovered the Gibb Novas were built and made possible by the COPO process? Not much to learn in Chevrolet manuals?
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