After doing some really long hill climbs over by me I had noticed that bare metal of the downpipe emits more heat than I’m comfortable with. It needs to be ceramic coated and/or have it wrapped with a heat blanket. Blanket > wrap.
One of the things that was an eye opener was the AC shut off during the long climb do 80+. But my engine temps only hit 202°. As it turns out the intense heat the downpipe emits (without coating/wrap) AND it’s proximity to the hard AC Lin’s at the firewall (about an inch) means it was heating the AC lines causing the AC to shut off.
I did two things: I covered the downpipe with a wrap until the blankets are ready AND I put some heat wrap around the AC hard lines by using the same stuff I use for the long AC hose.
There is no very little heat except where the turbo/downpipe isn’t covered and the AC is blowing cool as ice.
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