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spoken like someone who doesn't have to use them every day....
from a spec sheet, sure, the duramax and cummins and even the powerstroke are "equal" - from longevity and proven in the industry the cummins is matched by no one. The duramax is an isuzu built engine and is quite good, far more reliable than any powerstroke built since the 7.3L... but it's certainly not a cummins in terms of reliability... Truthfully what sells the GM diesel is NOT the duramax though it's the allison transmission that you can mate with it... indestructible and a well mated.
what makes the 5.7 so great from toyo? because it produces high HP and TQ numbers? it's an unproven engine in many unproven platforms - whether or not it's great remains to be seen - sure it has good HP And torque, but that isnt the end all be all. For an engine less than 2 years old, having shown a propensity for camshaft failures - I would say toyota certainly did not live up to it's standard quality when it came to producing this engine for the US market, they were purely concerned with filling a niche and need in the states, and chose the cheapest place they could to manufacture the tundra (San Antonio, TX)
You're probably the same guy that is sure pushrod engines are useless because they are old technology. What makes the 5.7L the "best gas powertrain out of any 1/2 ton pickup" - is it power? torque? it certainly isn't reliability or longevity...
-Z
-Z
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