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pre-heated air hose POLL! 200

In CA if the smog check technician is doing his job you won't pass without the pipe connected and in decent shape. I just put my 81 through its biennial smog test. There's a line right on the smog test form for it ("TAC", I believe ..Thermal Air Control?). Of course with typical SoCal weather, you probably don't need it, and if it fails in the hot position it can cook the AMM.

I used to live in Canada and put one of those little outdoor/indoor thermometers into the airbox with the readout inside the car. The setup sure works - within a minute or less after startup on a -10F morning the temp started to go up, and levelled off at about 60-70F after about 5 minutes.






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