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BamZipPow · 08-06-2012, 12:29 AM

Went with a 50% grill block. Daytime drive to Dallas was uneventful...until I got into rush hour traffic. Ambient temps were around 108 degrees! Stop and go traffic pushed the coolant temp to 230 degrees! The stock coolant temp gauge needle was just past halfway. Didn't blow up or lose any coolant...whew!

Pulled the grill blocks after I got to Irving and didn't have any problems with temps from that point on. Drove home later that night without any grill blocks. Cruise set to 60mph and the indicated MPG was around 25mpg.

Now I'm thinking about going back to my original concept design with the shutters. Time to do some more work...

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08-06-2012, 12:29 AM	#6 (permalink)
BamZipPow T-100 Road Warrior Join Date: Apr 2008 Location: The Woodlands, TX Posts: 1,921 BZP T-100 (2010) - '98 Toyota T-100 ext cab - 3.4L/auto SR5 Last 3: 24 mpg (US) BZP T-100 (2011) - '98 Toyota T-100 ext cab - 3.4L/auto SR5 Last 3: 23.66 mpg (US) BZP T-100 (2009) - '98 Toyota T-100 ext cab - 3.4L/auto SR5 Last 3: 19.01 mpg (US) BZP T-100 (2012) - '98 Toyota T-100 ext cab - 3.4L/auto SR5 Last 3: 25.45 mpg (US) BZP T-100 (2013) - '98 Toyota T-100 SR5 Last 3: 25.79 mpg (US) BZP T-100 (2014) - '98 Toyota T-100 SR5 Last 3: 23.18 mpg (US) BZP T-100 (2015) - '98 Toyota T-100 SR5 Last 3: 23.85 mpg (US) BZP T-100 (2016) - '98 Toyota T-100 SR5 Last 3: 17.62 mpg (US) BZP T-100 (2017) - '98 Toyota T-100 SR5 90 day: 20.78 mpg (US) BZP T-100 (2018) - '98 Toyota T-100 SR5 90 day: 20.19 mpg (US) BZP T-100 (2019) - '98 Toyota T-100 SR5 BZP T-100 (2020) - '98 Toyota T-100 SR5 2012 Scion iQ - '12 Scion iQ Base Thanks: 3,502 Thanked 1,395 Times in 968 Posts	Went with a 50% grill block. Daytime drive to Dallas was uneventful...until I got into rush hour traffic. Ambient temps were around 108 degrees! Stop and go traffic pushed the coolant temp to 230 degrees! The stock coolant temp gauge needle was just past halfway. Didn't blow up or lose any coolant...whew! Pulled the grill blocks after I got to Irving and didn't have any problems with temps from that point on. Drove home later that night without any grill blocks. Cruise set to 60mph and the indicated MPG was around 25mpg. Now I'm thinking about going back to my original concept design with the shutters. Time to do some more work... _________________ __________________ Dark Aero-The world's first aerodynamic single wheel boat tail!