Quote:
Originally Posted by Mgizzle
The engine cover is 5lbs but you could be right on the plenum cover. It covers the plenum or manifold right under the fuel rails. You have to remove fuel rail and injectors to take it off, pretty heavy too and it should prevent heat retention I would think. If you did remove it, can you let us know how heavy it was?
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I was curious why no one seems to take it off and leave it off, almost as if it could insulate the manifold from engine bay temps? Possibly beneficial to leave it on. Unless GM only put it on there to quiet it down.