gmc chassis 1983 motorhome

1983 CHEVROLET
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STEVEBPORTER1961
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Does anyone have vacuum and smog charts and requirements for smog on the 454 motor on this unit. I got it and it looks like the motor has been chaged and I need to add a few items to try to smo. I believe it has to have the same smog as a commercial vehicle( I can't fing any diagrams) and when smogged they use the 2 speed idle test on the ground to test .help.
thanks steve
Feb 16, 2007 at 6:49 AM
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2CARPRO JACK
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Steve.... go to the Tech Manuals link at the bottom of the main forum page, It will have all diagrams you need... Go to local smog shop see if they will tell you all that is req'd for your m/h
Mar 2, 2007 at 2:19 PM
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STEVEBPORTER1961
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[quote:cbfcf79b31="2CarPro Jack"]Steve.... go to the Tech Manuals link at the bottom of the main forum page, It will have all diagrams you need... Go to local smog shop see if they will tell you all that is req'd for your m/h[/quote:cbfcf79b31]


I only see manuals for trucks or cars no commerical heavy duty chassis. Do you know where they might be.? I believe heavy vehicle have different smog then truck or cars
Mar 3, 2007 at 1:57 AM
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