Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
11-19-2001, 02:22 PM
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Re: Smog
Everybody, In all this discussion about SMOG, may I please remind that I am searching for "Original" system or any parts (hoses,clamps,valves,etc) for 1970 L-78/LS-6 (same).......yes, I know about Greenhoe & Hoedel.....Thanks, Chuck
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Chuck Sharin [email protected] Auburn,WA (30 miles South of Seattle) 70 Camaro R/S Z-28, L-78, R/S SS 69 Camaro COPO "recreation" 
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#2
11-19-2001, 10:42 PM
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Re: Smog
Car Craft September '68 drag tested an L78 4 speed Chevy II. The engine photo clearly shows the AIR pump set high on the passenger side. The car ran 12.85 @110mph after adding headers, 4:56 gears, slicks, fuel pump, and tuning. Not too shabby. I believe that the cars that came without AIR pumps got exhaust manifolds not machined for AIR fittings.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now. 
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#3
11-19-2001, 10:51 PM
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Re: Smog
COPO Pete:
Right article, wrong magazine. PHR (July '69) covered the same test as the May '69 Super Stock. The PHR story also includes an engine photo of what is believed to be the #5 ZL1. The photo shows headers, trans cooling lines and diverter valve. They left the AIR pump on the car after the header installation.
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Learning more and more about less and less...
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