Still a bit of a mystery. There had to be an internal memo or Engineering Change document somewhere in the bowels of GM noting this change. There were obvious costs and quality risks (see 70 COPO post #10) associated with this. Maybe it was a requirement from Vince Piggins or some other GM exec? As the power of the famed LT-1 dropped after 70 and "de-contenting" occurred to reduce costs it became less interesting for these niche changes to continue?
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70Z28 04B Norwood Forest Green-white Stripes Black DeLuxe Interior
Owned since 1978 - First Car
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10-16-2018, 01:39 PM
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