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Old 02-16-2011, 01:26 AM   #19 (permalink)
aero guerrilla
Piwoslaw's Avatar
Join Date: Oct 2008
Location: Warsaw, Poland
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Svietlana II - '13 Peugeot 308SW e-HDI 6sp
90 day: 58.1 mpg (US)
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Now that's much better!

Now you can start blocking the lower grille from the sides. Maybe a sliding piece that will block/unblock the middle? Just don't cover the air intake!
Or maybe the air intake tube could be shortened so it doesn't span the radiator?

As for the temps, they look OK. My thermostat starts to open around 86°, but when hypermiling my turbodiesel the coolant barely gets to 78°-80°, so that's a little cold. Blocking everything gets it to 88°-93°. As ConnClark and comptiger5000 noted,
Originally Posted by comptiger5000 View Post
Diesels like cold air and hot coolant. Most modern diesels use 195* thermostats, a few even use 203* (common performance mod on powerstrokes). In a diesel, the hotter engine burns fuel better, giving better power and mpg, as long as the intake charge is cool enough.
e·co·mod·ding: the art of turning vehicles into what they should be

What matters is where you're going, not how fast.

"... we humans tend to screw up everything that's good enough as it is...or everything that we're attracted to, we love to go and defile it." - Chris Cornell

[Old] Piwoslaw's Peugeot 307sw modding thread
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