Originally posted by techinspector1
There are space-age materials available now to control heat through the firewall and floor that are very thin and manageable to install. They're pretty pricey though. Pick up a copy of Street Rodder magazine at Barnes & Noble or other high-end bookstore and check out the ads for suppliers.
Some diesel cars use a heat and noise absorber under the hood, maby going to an auto supply and ordering 1 for like a diesel Mercedes or somthing, VW with diesels also had them I think. They are cheaper than Dynomat or simmilar products.