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Old 12-14-2009, 09:51 PM   #53
Captain Awesome
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Drives: 2010 Camaro 2SS/RS
Join Date: Apr 2008
Location: New York
Posts: 3,746
Quote:
Originally Posted by syr74 View Post
The most hp I am aware of in an existing GM truck is 403hp. As for the GM being less expensive to build and maintain, we don't have any reason to assume that. The 6.2L Ford does indeed use an extra camshaft relative to the LSx, but it also doesn't have to deal with pushrods, lifters, etc.
a) We weren't talking about "existing trucks". We were talking about trucks that are not available for purchase yet. Since I happen to own a GM vehicle with a 6.2L engine that makes better numbers, we can assume that if it was an important issue then GM could drop the same engine in a truck and trump the Ford.

b) Twin cam engines are in general more costly to build and maintain. They have more bearnings and more timing chains which are expensive compared to pushrods and lifters.
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