Fall's here time for more grille block - Fuelly Forums

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Old 10-08-2009, 12:34 PM   #1
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Fall's here time for more grille block

I had my lower grille totally open this summer and now that it's getting cooler and the A/C isn't as needed I have blocked 60% of the lower grille. hopefully my milage will get better with this. this summer I ran a consistent 29mpg not remarkable but I had to use the air con almost every day.





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Old 10-08-2009, 04:16 PM   #2
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sound like it's time to take your compressor belt off (hopefully it has it's own belt otherwise you'd need to swap in a shorter belt) It's good for around 1MPG ,at lest it was on my car
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Old 10-08-2009, 04:51 PM   #3
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the engine in my car uses a serpentine belt to run the alt and AC but a shorter belt won't fit due to the engine mount.
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Old 10-08-2009, 10:43 PM   #4
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I also added a little extra grill block this week. The weather has finally cooled off in this area. I'm also planning to change to lighter weight oil at the next oil change.
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Old 10-16-2009, 04:08 AM   #5
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I'm new to this gig, and I have not figured out if grill blocking is solely for aerodynamic benefit, or if it is somehow better to have a hotter engine compartment. I'll be blocking up the stretchscort this weekend, now that it's cold and rainy in Maryland....
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Old 10-16-2009, 06:20 AM   #6
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the reason I use a block is two fold first the car warms up faster (less time on cold enrichment program) and second aerodynamics (My grille is a parachute).
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Old 10-16-2009, 08:38 AM   #7
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Thanks Philip- Another thing - do you get your intake air from the engine compartment or outside? This is another part of grill blocking that I don't understand. Is hot intake air better than cold? I've read about people boring 2" holes in their filter housings to allow warm air into the intake.
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Old 10-16-2009, 10:28 AM   #8
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I have a cutom intake that gets air from over the exhaust manifold. Wehter hot air is better depends on the type of fuel injection you have. I would suggest experimenting to see if hot air will work with your system
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