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Old 01-18-2018, 01:37 AM   #15 (permalink)
WelshAdam
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Join Date: Jan 2018
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Quote:
Originally Posted by Fat Charlie View Post
The lower grille's a lot bigger than the upper. Once you get instrumentation- an SG or UG that can show actual coolant temp, try blocking the lower instead. It should give you a bigger aero and warmup benefit, and if you keep an eye on the temps you may find that the upper still lets in enough air for cooling.
I also thought that, but on closer inspection around 3/4 of it is blocked with plastic trim - only the bottom two or so slats are actually open to allow cooling.

Definitely going to get a scan gauge at some point though, my car has an on board instant mpg display, but I do wonder how accurate they are. Still, better than guessing right?!
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