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Old 07-14-2018, 08:44 AM   #13 (permalink)
oldtamiyaphile
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Join Date: May 2009
Location: Australia
Posts: 1,510

UFI - '12 Fiat 500 Twinair
Team Turbocharged!
90 day: 40.3 mpg (US)

Jeep - '05 Jeep Wrangler Renegade
90 day: 18.09 mpg (US)

R32 - '89 Nissan Skyline

STiG - '16 Renault Trafic 140dCi Energy
90 day: 30.12 mpg (US)

Prius - '05 Toyota Prius
Team Toyota
90 day: 50.25 mpg (US)

Premodded - '49 Ford Freighter
90 day: 13.48 mpg (US)

F-117 - '10 Proton Arena GLSi
Pickups
Mitsubishi
90 day: 37.82 mpg (US)

Ralica - '85 Toyota Celica ST
90 day: 25.23 mpg (US)

Sx4 - '07 Suzuki Sx4
90 day: 32.21 mpg (US)

F-117 (2) - '03 Citroen Xsara VTS
90 day: 30.06 mpg (US)
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Quote:
Originally Posted by oil pan 4 View Post
Yeah the heater core stays hot and a little door closes it off from the hvac system.
Imports will use a divert valve most of the time.
My Proton and Jeep don't have diverter valves - the Renault and Fiat have too much underhood plastic for me to see without dismantling. The Jeep in particular I've noticed a plasticy smell after a couple hours of driving - over time that's got to be bad for the heater box.

I found a block off valve for $15 -that can go in the Proton, and a nice all metal four way bypass for a bit more - that will go in the Jeep.

I'll get some before and after vent temps when I'm done.
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