Upper Grill Block Success - 3.7% MPG Increase

[sarguy01]

Originally Posted by digital rules

Anything wrong with using air conditioner weather seal foam for grill blocks? It fits nice & snugly in both the upper & lower grill, but not sure if any downsides to using this type of material?

If OK, can't wait to test results coming back from Charlotte NC to Manassas VA tomorrow. Driving down with a good headwind I was struggling to break 40 even with speeds of ~60 on Rt 29. (No trip to Charlotte is complete without driving through Tightsqueeze, VA & then through Danville to scoop up some $2.99 gas--woo hoo)

Amazingly MPG's jumped to 41 @ ~70 MPH with cross wind. Unfortunately going under 65-70 on I-85 is almost a death wish

I wouldn't think there is anything wrong with using it. Go for it.

[MetroMPG]

And it's easy to remove a strip of the foam if you want a "variable" block.

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sarguy:

Behind the Honda badge are actually some vents

You mean Chevrolet didn't invent the flow-through badge? Their recent PR makes it out to be a momentous achievement

[Istas]

I read this, and the post about the other grille block and the airdam. Congratulations on your progress! I just got an '05 Accord and your posts are providing inspiration for me to get moving on modding it like I did my '92 Subaru.