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Old 05-19-2008, 06:29 AM   #1 (permalink)
Master EcoModder
Join Date: Feb 2008
Location: belgium
Posts: 663

vectra a - '95 Opel Vectra GLS
90 day: 37.51 mpg (US)
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aluminum undertray advice wanted

i'm toying around with the idea of an aluminum undertray, that will attach to the subframe and slope slightly down from the front bumper as does the subframe, so it will shield the engine carter, transmission and exhaust from the airflow.

the undertray will have to be easily removable from underneath the car.

right now the attachment method i envision are U frames that hug the sides of the subframe and that are rivetted to an aluminum sheet, however this would make it difficult to remove.

so i'm looking for some inspiration from real world examples.

what i want is something that won't fall off out of itself but can be easilly removed without leaving to much traces when needed.

can i just hang something from a subframe or would this disturb the cars handling etc?

for now i'll work on a simple temporary solution to see what the effects are

aer·o·dy·nam·ics: the science of passing gass

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