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Old 08-21-2010, 10:11 PM   #11 (permalink)
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Well after 600+ miles with the upper block on, no issues at all. Just lots of looks!
Picture of my grill block fully painted:

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Old 08-24-2010, 05:54 PM   #12 (permalink)
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Update:
I did some steady state ABA testing today.... with a .71 MPG gain!

A=44.88
B=45.73
A2= 45.15

For this little amount of work, that is a rather large gain in my book!

These results are just from the improvement in aerodynamics. Warm up gains were not counted in that .71MPG number. I do not have good data for warm up MPG gain, I do have warm up distance numbers: no grill block miles to 180F (when thermostat opens) 5 miles, with upper grill bock it is 3 miles.
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Old 08-24-2010, 06:07 PM   #13 (permalink)
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Quote:
Originally Posted by Weather Spotter View Post
For this little amount of work, that is a rather large gain in my book!
Thats why its the first mod I recommend! Thanks for getting numbers on it.
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Old 08-24-2010, 06:21 PM   #14 (permalink)
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Couldn't you keep the badge airhole and put a squirrel fan over it? That way you could run the engine super-hot with a few heaters. Also, it could potentially replace the radiator fan.

EDIT: Actually, since you live in colder weather, It's best to just forgo a squirrel fan.
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Old 08-24-2010, 06:35 PM   #15 (permalink)
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If you look at the before and after picts, I think it looks very bad to leave the logo open. besides I have the lower gill 100% open at this point (more plans in the works).

I will also add my data to the wiki shortly.
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Old 08-24-2010, 07:31 PM   #16 (permalink)
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Test data Update:

Raw data:


Graph:

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