Quote:
Originally Posted by 15RS2NV
My question is why you changed from the original LLT V6 to the LFX?
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The reason I changed from an LLT to LfX was primarily for the Delphi ECM controller, as well as the new head design that eliminated the exhaust manifolds and the other modifications GM made to the LFX engine. No modifications to the engine whatsoever, stock.