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

Discussion in '4 Cylinder' started by TacoMan1911, May 9, 2013.

  1. May 9, 2013 at 11:30 AM
    #1
    TacoMan1911

    TacoMan1911 [OP] Well-Known Member

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    Are these the same engine, or are there different specs? What does the first gen. 2.7l look like?
     
  2. May 9, 2013 at 1:08 PM
    #2
    jassco

    jassco Well-Known Member

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    5100 set to .85 w/ rear TSB, 2012 Rear-view Mirror, Grillecraft, Team Trails FJ Wheels, TPMS canister, Rear headrest delete, Rear console delete, Valley Hitch, Frame undercoat, $2.99 Tailgate hose clamp lock, Avid light bar, 4x4 lighted switch ala Biceman.
    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.
     
  3. May 10, 2013 at 8:18 PM
    #3
    tacomathom

    tacomathom Well-Known Member

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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.
     
  4. May 13, 2013 at 3:33 AM
    #4
    Loggerhead

    Loggerhead Well-Known Member

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    Still mostly stock . . .
    Another difference is that the newer 2TR-FE uses variable valve timing (VVT-i).
     
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