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Old 01-30-2010, 09:51 AM   #1 (permalink)
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my next mod (what's best: rear wheel skirts + moon hub cabs or a belly pan?)

i am thinking about doing my next mod .i am thinking of doing rear wheel skirts and moon hub cabs or a belly pan. what do you guys think will give me a higher mpg gain? or is there a mod you guys know that will be more beneficial to my truck that i am overlooking.

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Old 01-30-2010, 10:11 AM   #2 (permalink)
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I vote bellypan.
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Old 01-30-2010, 10:34 AM   #3 (permalink)
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I agree with Tim: of those options, belly pan would be best.

Streamlined bed aero cap would net you the largest gain for a single mod, but you probably know that already.

EDIT: whoops, of course you knew that already ... http://ecomodder.com/forum/showthrea...p-11271-2.html
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Old 01-30-2010, 12:21 PM   #4 (permalink)
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i was hoping you guys would say the moon hubcaps and the rear skirts. they seem easier than crawling around under my truck. i will wait for some warmer weather to get started on the belly pan.

one other thing i was wonder is if with my aero cap would i be better with the tailgate down or up

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Old 01-30-2010, 04:22 PM   #5 (permalink)
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Quote:
Originally Posted by ccrider View Post
i was hoping you guys would say the moon hubcaps and the rear skirts. they seem easier than crawling around under my truck. i will wait for some warmer weather to get started on the belly pan.

one other thing i was wonder is if with my aero cap would i be better with the tailgate down or up

[IMG][/IMG]
Sepp reports from Europe,that with his testing,having the tail sealed up demonstrated the lower drag.My neighbor who ran an open tail on his Vanagon also reported lower numbers.
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Old 01-30-2010, 04:24 PM   #6 (permalink)
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next mod

I vote bellypan
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Old 01-30-2010, 07:33 PM   #7 (permalink)
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A bellypan will probably be more effective but will be a pain to fabricate, will cause servicing issues, and on a front engine/rear drive vehicle will be at best an appromation.
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Old 01-30-2010, 09:01 PM   #8 (permalink)
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Just go with the moon caps and enjoy the minor increase until you get ready for the belly pan.
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Old 01-30-2010, 10:28 PM   #9 (permalink)
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I vote belly pan...

You can see the progress I made with my truck in this thread...

My custom brackets really made it easier to hold up the belly pan. To take my belly pan off only requires a few bolts...but gitting to those bolts with the side skirts on takes a little more effort.
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Old 01-31-2010, 03:21 AM   #10 (permalink)
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While you're waiting for warmer weather to do the bellypan... make rear skirts and moonies

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