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Bangbug

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Posts posted by Bangbug

  1. Shock relocation.

    Had a look at the regs:
    (a) be fitted with shock absorbers which are able to satisfactorily control spring energy; and

    (B) where a substantial increase in spring rate occurs, be reinforced as necessary in the areas of the body or chassis or sub-frame structure on which the increased loads being transmitted are likely to cause fracturing or failure.

     

    (a) a shock absorber of a compatible stroke length

     

    I see they sell brackets for relocation so it must be done so I guess it's down to the certifier being satisfied the geometry is good and they're strong/suitable enough?

    Currently IRS, diagonal trailing arm, coil spring, subframe mounted to body forward of each wheel and off the rear diff housing.
    The shock going through the coil, thinking of moving it to the back of the trailing arm and to the channel of the body.
    More or less the angle of my ute setup.
    Might have to draw a picture :D

  2. Is that into the sleeve n all?

    Fuck me.

    Anywho I'd say the head is saveable at least :-)

    Just had my head welded and skimmed and block decked for $190 + gst

    Go see Dan at east city reconditioners, he's old school

  3. Do you have karate laser eyes?

     

    move%20bitch.jpg

     

    can you rotate the booster? aka move the vac line.

    (pull shit, spin drum, attach shit, I think mine is like that)

    Then if you still need room, you might even have room in the chamber to notch it.
    Of course that means sealing it up perfect again :P

     

    A smaller cylinder is your friend if you lack the spirit of karate

    • Like 2
  4. E85 would be perfect! :-)

    I'll have a look at coatings.

    This stage flattop and leave the rest, longevity would be nice, I think I could scrape 12psi out of the turbo and will probably just run two maps.

    Regular 7psi map and fuck your flash car 12psi map.

    Though I found out yesterday that a ford ranger is faster than a brand new lamborghini. Made the fucker move over he was sooooooo slow, poor car :-(

  5. Today's topic is brought to you by dirtpoordaddy.com and Dirty Freegan Mods Ltd.

     

    Hello,

     

    Not wanting to buy forged pistons as the arse has just dropped out of work I figure I would try and make do with what I have.

    I have some domed 10:1 pistons and I'm going to use them in a turbo build. FE-DOHC.

    Some measurements have left me with 5.18mm in the piston crown if I flat top these buggers (about 1.8mm off)

     

    Having an engine builder owe me money is handy so I went to see him with my silly idea.

    He reckons have at it.

    "I've got oil squirters to help with cooling the piston" I offer.

    "Block them off, they're just creating drag" and as I sit here I ask google Oil squirter which it starts to suggest:
    delete
    block off

    plug

    So I guess it's popular. But this ain't no race car scraping out 1/2 hp advantages so methinks I'll leave em alone, cooler piston sounds better than any other trade off.

     

    And then.....

    "Mill off these here piston skirts" he reckons.

    "Won't that make it rattly at start up like a forged piston?" I respond.

    "Yeah and what?" was his squinty eyed statement.

    I suppose pistons pull a couple thousand g's.... but that seems excessive, I think he's getting excited and I'd like to see him do the math :P though some basic math would be 3000G x 9.8ms/s x 0.02g = 588W.
    Non-linear accelleration etc etc would be some area under the curve type shit.... I digress.

     

    Who's had a go at modifying pistons and how did it turn out?

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