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  1. Engine / Intake / Exhaust
    In my never ending effort to get my 83 mkii to pass smog, I decided to see if the thermostat was bad since it is only failing NOX and I've read that's caused by a hot engine. When I opened the housing, I found there was no thermostat! So I flushed and replaced the coolant with the red stuff, put...
  2. Engine / Intake / Exhaust
    Does anyone know if it matters what position the jiggle valve goes at? The little hole in the thermostat. Someone told me once that theres Manufacturer specs for which “o’clock” position it goes at but I’m not too sure.
  3. Wanted
    I'm Mark Lingenfelter from the Joplin, MO area. Shoot me a PM or email me at [email protected] if you can help me out. I recently did a 6m swap and forgot to get my thermostat housing and cover off my old 5m. I am using the stock vacuum advanced distributor and upper intake manifold and am...
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