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1st gen. 2.7l vs 2nd gen. 2.7l

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Old 05-09-2013, 11:30 AM   #1
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1st gen. 2.7l vs 2nd gen. 2.7l

Are these the same engine, or are there different specs? What does the first gen. 2.7l look like?
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Old 05-09-2013, 01:08 PM   #2
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3rzfe is 1st gen engine
2trfe is 2nd gen

Too many specs to list so just search them, but they are built off same design. Irreverent performance/mpg wise since the 2trfe having more hp is in a larger and heavier vehicle.
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Old 05-10-2013, 08:18 PM   #3
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One of the differences between the two engines is the current 2.7 (2TR-FE) has hydraulic valve lash adjustment, while the older 2.7 (3RZ-FE) uses shim over bucket valve adjustment.
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Old 05-13-2013, 03:33 AM   #4
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Another difference is that the newer 2TR-FE uses variable valve timing (VVT-i).
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