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308 ENGINE GURUS...

Discussion in 'Technical Q&A' started by rizzo308, Sep 5, 2007.

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  1. rizzo308

    rizzo308 F1 Rookie
    BANNED Silver Subscribed

    Sep 12, 2004
    2,784
    Perth, Australia
    Full Name:
    riggio
    #1 rizzo308, Sep 5, 2007
    ...one of the local f/ mechanics here tells me 308 bottom end is bullet proof... and the cranks rarely needs to be ground when overhauling eng...... how true is this cheers
     
  2. 4re308

    4re308 F1 Rookie
    Silver Subscribed

    Jun 13, 2001
    4,900
    Woodstock, GA
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    Mitch D
    #2 4re308, Sep 5, 2007
    Fairly true, but previous maintenance history holds the real truth.
     
  3. FasterIsBetter

    FasterIsBetter F1 Veteran

    Jul 22, 2004
    5,856
    NoNJ/Jupiter FL
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    Steve W.
    #3 FasterIsBetter, Sep 5, 2007
    +1. Also, the history of the car, how it was used is important. If the car was abused, or if it was left sitting for years and years without being cranked over, it could effect the bearings. But as a general proposition, they are pretty solid.
     
  4. Ferraripilot

    Ferraripilot F1 World Champ
    Owner Project Master

    May 10, 2006
    17,912
    Atlanta
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    John!
    #4 Ferraripilot, Sep 5, 2007
    I have even been told that quite often hone marks in the cylinder bores are still very present when tearing down. Pretty robusto
     
  5. Artvonne

    Artvonne F1 Veteran

    Oct 29, 2004
    5,379
    NWA
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    Paul
    #5 Artvonne, Sep 6, 2007
    Remember that the 288 GTO, 348, 355, and the F-40 share the same virtual block and crank. The bottom is tough, but certainly not indistructable. I seen a whole pile of them with holes in them once.

    My own personal opinion, based on working on many varying breeds of cars over the years, is the 308 is made of the same or better materials as Mercedes or any other top line engine. The liners are standard high grade cast steel, and should wear and last as long as any Mercedes. The crankshaft and rods are about as tough of steel as you can buy anywhere, and should outlast just about anything. Lack of maintainance, abuse, neglect, and disconnected speedometers that make everyone "think" they are all low mileage cars with a ton of mechanical trouble, have done more to sully these cars reputation than anything imaginable.
     

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