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308 V12 conversion begins

Discussion in '308/328' started by mk e, Oct 9, 2007.

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  1. mk e

    mk e F1 World Champ

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    #3876 mk e, May 5, 2010
    Runners bandsawed and I got most of them weld-prepped. Welding tomorrow. I think I'm going just put the top flanges on as solid and do all the machining afer weld so I don't have to get anything lined up very well to the lower flange.
     
  2. mk e

    mk e F1 World Champ

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    #3877 mk e, May 5, 2010
    Last edited by a moderator: Sep 7, 2017
  3. vincent355

    vincent355 F1 Veteran
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    #3878 vincent355, May 5, 2010
    I am enjoying "get it done" mode and the morning update.

    Looking good Mark.
     
  4. mk e

    mk e F1 World Champ

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    #3879 mk e, May 5, 2010
    Sadly there is still a long way to go.

    Erik has signed up to come out and start making the cylinder liners which will be a big help. The 5lb(ish) blanks need to turn into 1 lb(ish) liners and that's a lot of lathe time....and I can't have a short block build without liners.
     
  5. NeuroBeaker

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    #3880 NeuroBeaker, May 5, 2010
    OK Mark, we're going to have to push you now... when will you be hooked up the ECU to the engine and attempting to start it? :D

    All the best,
    Andrew.
     
  6. mk e

    mk e F1 World Champ

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    #3881 mk e, May 5, 2010
    October....maybe
     
  7. NeuroBeaker

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    #3882 NeuroBeaker, May 5, 2010
    Gotcha. ;) :D
     
  8. mk e

    mk e F1 World Champ

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    #3883 mk e, May 5, 2010
    We'll see....things are moving along nicely but there's still a lot to get done.
     
  9. NeuroBeaker

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    #3884 NeuroBeaker, May 5, 2010
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  10. mk e

    mk e F1 World Champ

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    #3885 mk e, May 5, 2010
    Last edited: May 5, 2010
    here's a qick list of what pops to mind that needs to be done.......I'm sure I've missed quite a few.....spring 2011 is probably more realistic....


    Short block
    fix liner o-ring seats
    Make liners
    finish hone liners
    fix water plugs on top
    machine for remote oil filter
    finish tapping head studs hole
    fit 365 bearings
    shorten the harmonic damper
    Balance the rods
    fix bolt pattern on flywheel
    get rotating assembly balanced
    fit starter
    sand for looks
    fit crank pickup
    add TDC indicator

    Long block
    remove and weld old oil returns
    weld new oil returns on heads
    Weld on bosses for timing cover
    line bore cam journals
    Machine 35mm bucket holes
    make valve guides
    install valve guides
    finish valve guides
    machine valve seat holes
    install valve seats
    finish machine valve seats
    finish machine valves
    finish porting
    sand for looks
    machine head studs
    heat treat head studs
    add cam position sensor
    finish timing cover mods
    machine spacers for cam sprockets

    complete engine/trans
    build intake manifold
    fit TBs
    build TB linkage
    build air box
    build injector mounts/fuel rails
    modify cam covers
    machine cam end covers
    machine water pump off oil pump
    machine 360 oil retune pump to fit
    mount water pump
    mount alternator
    Heat treat drop gear stuff
    finish machine trans gear
    Finish machine drop gear housing
    modify drop gear cover
    fit bearing to housing hydraulic line
    fit oil pick-ups
    Additional to run
    fit ECU
    fit ignition expander
    fit ignition modules
    fit coils
    make wiring harness
    make ignition wires
    fit fuel pres regulator
    make fuel lines
    fit oil tank
    make oil lines
    fit starter wire
    finish collectors
    install mufflers


    additional to drive
    fit clutch master cylinder
    fit clutch hydraulic lines
    fit brake master cylinders
    fit brake bias adjuster
    fit brake rotors
    fit calipers
    make brake lines
     
  11. NeuroBeaker

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    #3886 NeuroBeaker, May 5, 2010
    :eek: That's a really big list. :eek:
     
  12. mk e

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    #3887 mk e, May 5, 2010
    Last edited: May 5, 2010
    I know, and I've been checking stuff OFF the list for 2 1/2 years now. :eek:

    So...which items can I put your name next to???



    :)
     
  13. mk e

    mk e F1 World Champ

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    #3888 mk e, May 5, 2010
    Last edited: May 5, 2010
    I'm off to a good start on task assignments with Erik on the cylinder liners and Rick now on the wiring harness.

    Anybody else what to make something on the list? Finish balancing the rods is available and needed soon :)
     
  14. NeuroBeaker

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    #3889 NeuroBeaker, May 5, 2010
    Hmmm.... something inconsequential, certainly not electrical, given my track record working on cars (FChat link). :eek:

    Perhaps I should be confined to making the coffee to keep the more skilled hands fuelled for the project. I'm pretty good at making coffee. :D

    All the best,
    Andrew.
     
  15. gmoore

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    #3890 gmoore, May 5, 2010
  16. mk e

    mk e F1 World Champ

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    #3891 mk e, May 5, 2010
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  17. Pizzaman Chris

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    #3892 Pizzaman Chris, May 5, 2010
    Looking good Mark.

    Now go get some sleep and leave the staying up late to the professionals. :)
     
  18. Jdubbya

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    #3893 Jdubbya, May 6, 2010
    Man this is going to just be too cool when it's done!! It's good to see so much progress lately. Really makes me feel like a slacker though!! Keep up the good work Mike!
     
  19. mk e

    mk e F1 World Champ

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    #3894 mk e, May 6, 2010
    Yeah…I’m paying for it this morning.
     
  20. SMS

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    #3895 SMS, May 6, 2010
    I wonder how big the neglected Honey do list has grown to over these 2 1/2 years. ;)
     
  21. mk e

    mk e F1 World Champ

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    #3896 mk e, May 6, 2010
    I wish! Lana has a "pay to play" system :eek:
     
  22. mk e

    mk e F1 World Champ

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    #3897 mk e, May 7, 2010
    Late start today so I only got 2 more runners welded, 2 to go.
     
  23. mk e

    mk e F1 World Champ

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    #3898 mk e, May 7, 2010
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  24. duck.co.za

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    #3899 duck.co.za, May 8, 2010
    Mark go take a look at my " building a slightly tweek 308 " I think all the 360 weights are there !
     
  25. mk e

    mk e F1 World Champ

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    #3900 mk e, May 8, 2010
    Last edited: May 8, 2010
    You have the 85mm bore 360 piston at 301g with rings.

    I just weighed my rings at 20.5g, so I'm 322g for my 86mm pistons, 6.5% heavier.....I'm guessing all of it in the longer bosses for the long wrist pins.

    Forgot to mention, the is a pretty deep dish on these pistons but I ordered them to be 10.7:1 CR, but since I haven't done the final set on the valve the CR could go 10.5 - 11.0 I guess. I was surprised how small the combustion chamber is on these heads....flat top pistons would make something like 20:1 CR. I am a little disappointed in the shape of the dish....I kind of expected it would match the chamber shape which would yield the most compact design rather than a simple round job.....not a huge big deal but not really optimal.
     
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