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For replying respectfully you sure have put a lot of absolutes as well as assumptions towards my person.
I am well aware of composition and form affecting the characteristics and strength of the piece, however, for the purpose of covering the underworkings of the dash, a shroud if you will, how strong do you need it to be? There is no discoloration or whitening of the stock pieces of either vehicle under moderate strain, or what the typical trim pieces will be subject to.
Compared to the CT9A however, I find it particularly ironic that you insist the quality is measures above. The interior plastics in the 8-9 evo are the same as in their base model lancer, however dyed a different color, both of which were rated poorly in nearly every auto review. You will find yourself very alone in suggesting that the evo 8-9 has a quality interior, but thats not really what most of us evo owners purchased the car for.
The thing about it is there is no point in putting a higher tensile strength plastic or well engineered reinforced plastic in a automobile trim piece, since there is no benefit to the automotive manufacturer. Stronger plastics trim pieces do not make the vehicle safer, more fuel efficient, or more importantly any more profitable. Nearly all manufacturers use a nylon reinforced polymer for durability and flex using injection molding to shape the piece, the usual interior rattles are not a result of the grade of plastic but of the fastening techniques used to connect the pieces and the positioning of said pieces as well as the respective clearances.
The only reason I continued to respond to this thread is that you made a statement and gave no proof to ascertain otherwise, you merely tried to poke holes in my logic and imply that I am incapable of determining between materials.
If you where to take samples from various cars from various manufacturers, and put them through a multitude of tests comparing the strength, melting point, tolerance, etc, I don't believe you would find too many variances.
I believe this because after numerous installs and builds requiring the removal of the interior of various cars I've come to realize that the only major difference between the trim pieces is usually the exterior finish, they all have nearly the same flexibility, thickness, durability, and from the non viewable side appear to be of similiar material.
BMW for example has what most industry folks believe is a "premium" interior materials, however after tearing into more bmw's than I'd like to remember, I can say with great certainty that the plastics they use are no more durable that what you would find in a kia, they do however ensure that the viewable side of the piece is finished with a pleasant appearance by applying a semi gloss finish over the pebbled texture, it is however still the same automotive grade plastic used in nearly every vehicle manufactured these days.
Your correct, there really is no point in continuing this conversation, I did however want to ensure that anyone who comes along and reads this thread will not be put off of the next gen lancers/evos because they read on the internet that they are built using inferior plastic trim pieces, when in reality it is the same material used in nearly every vehicle.
As far as questioning my engineering knowledge, you can think what you will, I spend my time developing ballistic resistant materials for a government contractor company and the money they afford me suggests otherwise.
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