Quote:
Originally Posted by RJT Impala
OP's car is 2011; LFX came out in 2012--but they are both direct injection. 2011 LLT doesn't have the integrated exhaust manifold, therefore has capability to have headers installed--good for OP!
OP--Please read threads pertaining to LLT and tendency to have unexplained oil loss; check oil level at least every time you gas up. Low oil level can/will lead to timing chain issues and resulting engine failure.
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Awesome this is the stuff I'm trying to learn about. I'll check those out thanks a ton!!