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Old 01-24-2010, 06:32 PM   #21 (permalink)
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you and your welder might get along but i would stay away from a metal underbody

theyre really bad ass to look at, but it will weigh 5-10x that of a coroplast one

and the caprice/impala is heavy enough


ps: weight reduction (but you knew this already)

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Old 01-24-2010, 07:08 PM   #22 (permalink)
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Quote:
Originally Posted by alohaspirit View Post
you and your welder might get along but i would stay away from a metal underbody

theyre really bad ass to look at, but it will weigh 5-10x that of a coroplast one

and the caprice/impala is heavy enough


ps: weight reduction (but you knew this already)
I mentioned the welder in terms of moving the exhaust out of the way for the coroplast
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Last edited by tunedbytad; 01-31-2010 at 01:47 PM..
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Old 01-25-2010, 03:28 AM   #23 (permalink)
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BZP T-100 (2010) - '98 Toyota T-100 ext cab - 3.4L/auto SR5
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Last 3: 19.01 mpg (US)

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On my truck, I dropped the air dam 6.5" lower and bumped the bottom lip forward about 3". Installed a lower pan fer that so it's pretty smooth from there. Also, I put in some front tire air blocks...4" clearance from the ground. Just installed a 4x8 luan panel fer my belly pan. Installed some side skirts with about a 4-5" clearance from the ground. Original clearance was about 13". Working on buttoning up the rest of the bottom to the side skirts and to the rear as well as in between the front air dam and the front crossbar.

My average winter mileage is better than my average summer mileage so far...

Lower belly pan build, lowered air dam build...
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Old 01-25-2010, 05:08 PM   #24 (permalink)
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one of the few indications increasing ground clearence is good for fe can be seen on the bristol figheter website
Bristol Cars - Homepage
(bottom left)


a very good looking car, that's not all that new, but it seems to be born from engineering that puts function before form, and thereby achieves a very attractive form!
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Old 01-25-2010, 06:05 PM   #25 (permalink)
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Quote:
Originally Posted by Frank Lee View Post
You presented three options. Any of them, incorrectly executed, can actually degrade aero/fe/performance. Any of them, correctly executed, can improve things by, oh, up to 10%? None of them will be magic and, say, double fe or anything. All of them, correctly or incorrectly executed, can be thought to have about the same potential effectiveness. That being the case, how can one be selected as "the answer"?

Like I said from the get-go.
For a guy that knows everything
You have said a whole lot of nothing in this thread.
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Old 01-25-2010, 06:50 PM   #26 (permalink)
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Last 3: 25.45 mpg (US)

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Last 3: 25.79 mpg (US)

BZP T-100 (2014) - '98 Toyota T-100 SR5
Last 3: 23.18 mpg (US)

BZP T-100 (2015) - '98 Toyota T-100 SR5
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BZP T-100 (2016) - '98 Toyota T-100 SR5
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I believe that yer gonna just have to try them out and see what's gonna work fer you and what tools you have to determine if it's working fer yer project or not. Determining if it's working right is probably gonna be one of the hardest things to do...you'll just have to persevere...
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Old 01-25-2010, 07:06 PM   #27 (permalink)
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Determining if it's working right is probably gonna be one of the hardest things to do...you'll just have to persevere...
I have test and datalogging equipment.
that should serve me well.

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