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Old 12-28-2009, 11:04 PM   #21 (permalink)
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man o man. i hope you are still planing on meeting up. id love to see how you did this in person

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Old 12-29-2009, 12:28 AM   #22 (permalink)
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Any day after the 11th.
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Old 12-29-2009, 09:34 AM   #23 (permalink)
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Nice work! Thanks for posting all the pics and adding your lessons-learned construction tips in the first post. I especially like the screen mesh covers over exhaust bits. Keep us informed if you notice any problems or discoloration of the coroplast. You have avoided the catalytic converters, where the real heat is, so I don't anticipate any trouble.
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Old 12-29-2009, 03:47 PM   #24 (permalink)
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Thank you for the kind words.
I am almost finished with the last 10%!!
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Old 04-08-2010, 01:21 AM   #25 (permalink)
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Any thought of using aluminum window screen rather than that courser screen? Maybe a bit less draggy. OTOH, you already have a screen done and fitted.
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Old 05-08-2010, 04:01 PM   #26 (permalink)
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This give me the incentive to get started on the Matrix.
Great pics. and explanation of install.
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Old 05-09-2010, 12:42 AM   #27 (permalink)
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Mr Miata,
Thanks for the kind words!
It was much bigger than I thought!!! I love to do something smaller like the Matrix.
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Old 05-09-2010, 05:38 PM   #28 (permalink)
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Why couldn't an ecomodder use sheet metal or aluminum instead of flammable coroplast? On my Maxima the exhaust system is insulated (but not the cats) so covering the entire exhaust system and cooling just the cat should in theory be acceptable. I'm also considering installing ground effects on the sides and fronts then putting the underpan at that level which would keep the metal away from the heat, and assuming I leave enough air flow into the engine compartment it should be kept cool if I make it airtight.
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I think you missed the point I was trying to make, which is that it's not rational to do either speed or fuel economy mods for economic reasons. You do it as a form of recreation, for the fun and for the challenge.
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Old 05-09-2010, 05:51 PM   #29 (permalink)
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Read some of the older posts on underbellys.
Everybody starts with something different and ends up with .......COROPLAST!!!! lol

1. lightest weight for all possible products
2. cheapest cost for all possible products
3. easiest to work with for all possible products
4. causes least amount of damage WHEN something jumps up under your car at 65mph.
(6 feet of semi-truck tire tread cam flying uot of nowhere and went right under the car!!!!)

Alum will vibrate if too thin......if too thick not to vibrate is too expensive and too heavy.

CP is actually pretty ridgid and doesnt take alot of mounting points.

I have had ZERO problems since I installed back in Nov.
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ECO MODS PERFORMED:
First: ScangaugeII
http://ecomodder.com/forum/showthrea...eii-23306.html

Second: Grille Block
http://ecomodder.com/forum/showthrea...e-10912-2.html

Third: Full underbelly pan
http://ecomodder.com/forum/showthrea...q45-11402.html

Fourth: rear skirts and 30.4mpg on trip!
http://ecomodder.com/forum/showthrea...tml#post247938

Last edited by mcrews; 05-10-2010 at 10:13 PM..
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Old 05-10-2010, 10:23 PM   #30 (permalink)
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re-did the front underbelly pan.
removed the 'rubbery' panel material and went with the "solid" scrap of coroplast-like material that I had left over from the rear section.





here is a close-up of the edge of the material.
also a close-up of the factory deflectors for the front tires that were on the origianal factory underbelly pan..

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MetroMPG: "Get the MPG gauge - it turns driving into a fuel & money saving game."

ECO MODS PERFORMED:
First: ScangaugeII
http://ecomodder.com/forum/showthrea...eii-23306.html

Second: Grille Block
http://ecomodder.com/forum/showthrea...e-10912-2.html

Third: Full underbelly pan
http://ecomodder.com/forum/showthrea...q45-11402.html

Fourth: rear skirts and 30.4mpg on trip!
http://ecomodder.com/forum/showthrea...tml#post247938
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