2002 Infiniti Q45 Grille Block - Fuelly Forums

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Old 12-11-2009, 08:52 PM   #1
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2002 Infiniti Q45 Grille Block

I used the clear plastic that comes in cheap poster frames at wallmart.
I wanted to still see the custom grille I built last yr.!
there is an aftermarket body kit (IMPUL) that is 2 inches lower than stock. So I put the clear plastic over the custom fog light...
these two items pushed me over 28.5mpg at 62mph. I had gotten 27 prior.



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Old 12-12-2009, 08:28 AM   #2
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Hi MCrews,
Nice work.
Just one detail: you clearly see the tape, don't you?
You could avoid this by blocking from the inside, just as I did: http://www.gassavers.org/showthread.php?t=11766
My 60% block is inside. A variable part I can only use on shorter distances is outside and slides in/out in really one or two seconds. Than I have 90% blocked.
Advantage of your block is some more aerodynamic performance than blocking from the inside. But the difference will be very very small.
One question: if I'm right you blocked 100% of the upper (main) grill and the underside grills is practically blocked by your license plate => no cooling problems? Especially on highways.
Greets
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Old 12-12-2009, 08:28 PM   #3
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I did not want to do a partial. my goal was to use the thinnest and clearest material. I wanted to maximize the aerodynamics. that's why the block follows the lines of the body.
there is plenty of air coming thru the lower grill.
also, I have a custom lower air duct installed in the driverside lower opening











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Old 12-13-2009, 04:19 AM   #4
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Most modern vehicles use the upper grille mainly for decoration and the lower one really does all the work.
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Old 12-13-2009, 11:42 AM   #5
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Quote:
Originally Posted by theholycow View Post
Most modern vehicles use the upper grille mainly for decoration and the lower one really does all the work.
Well yes, my car only has a lower grille. There's an upper one on later models and the very powerfull TypeR-version.
MCcrews, you did really good, detailed work.
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