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david07 · 04-22-2002, 10:06 AM

Just got these results back on the smog test on my newly rebuilt engine. Can anybody tell me what they mean and where to start with fixes??? Car is '83 5.0 with Holley carb (rejected slightly up), 3/4 cam and long headers.

NOS 4413 PASS
HC 344 FAIL
CO% 4.8 FAIL (BIG TIME!)
02% 0.9
C02% 11.3

thanks.

04-22-2002, 10:06 AM	#1
david07 Registered Member Join Date: May 2001 Location: new york, new york Posts: 5	Help!! Just got these results back on the smog test on my newly rebuilt engine. Can anybody tell me what they mean and where to start with fixes??? Car is '83 5.0 with Holley carb (rejected slightly up), 3/4 cam and long headers. NOS 4413 PASS HC 344 FAIL CO% 4.8 FAIL (BIG TIME!) 02% 0.9 C02% 11.3 thanks. Last edited by david07; 04-22-2002 at 10:27 AM..