Making a Billet Block
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Making a Billet Block

  1. #1
    Senior Member DuaneHTP's Avatar
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    Default Making a Billet Block

    Here's an interesting Video of making a Billet Aluminum Block for those who haven't seen it yet.



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  3. #2
    I'm No Expert Shaun's Avatar
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    Pretty cool, amazing what those machines can do!

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    Seriously off center slowride's Avatar
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    I saw that video and thought it was a wonder exercise, but basically just eye candy. Running a solid block means it drag only and unlikely someone will build a serious FE for competition. Build a solid SOHC, or tunnel port motor? Sure, but again more for looks than function.
    Sure is purdy though....






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    LP-25.com Infomaniac's Avatar
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    Great video.

    It's pretty simple:
    Get a big piece of billet.
    Show the machine a drawing of the finished block.
    Tell it to take off all the metal chips that don't look like the drawing.

    Done deal.
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    Did anyone notice the gold anodized cobra in the background? Also thought they said the block was a wet sleeve deal??
    Last edited by Oldelmn8tr; 02-09-2011 at 11:48 AM.

  8. #6
    Bostick Racing Engines six-oh-nine's Avatar
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    Quote Originally Posted by slowride View Post
    I saw that video and thought it was a wonder exercise, but basically just eye candy. Running a solid block means it drag only and unlikely someone will build a serious FE for competition. Build a solid SOHC, or tunnel port motor? Sure, but again more for looks than function.
    Sure is purdy though....
    It's a wet sleeve setup like is done with the Honda and LS engines. Works pretty good except in the Honda and LS production engines you really violate the block pretty bad and really mow a bunch of structure out of it. Not so bad on the Honda since the block is an open deck and the sleeve setup really does make the block itself stronger... but on the ls... not a huge fan... but people do it and swear by it... but then again some people love the idea of pounding square pegs into round holes and be damned with what happens to everything around the round hole. On something like this deal, the wet sleeve is the way to go as they are 1) making it from scratch from a forged billet and 2) the block is designed with that setup from the beginning. It ought to be strong as hell... too bad they are going to bolt on some derivative of a FE head on it.
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    I wonder how much that block costs?

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    Senior Member slow67's Avatar
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    Quote Originally Posted by six-oh-nine View Post
    It's a wet sleeve setup like is done with the Honda and LS engines. Works pretty good except in the Honda and LS production engines you really violate the block pretty bad and really mow a bunch of structure out of it. Not so bad on the Honda since the block is an open deck and the sleeve setup really does make the block itself stronger... but on the ls... not a huge fan... but people do it and swear by it... but then again some people love the idea of pounding square pegs into round holes and be damned with what happens to everything around the round hole. On something like this deal, the wet sleeve is the way to go as they are 1) making it from scratch from a forged billet and 2) the block is designed with that setup from the beginning. It ought to be strong as hell... too bad they are going to bolt on some derivative of a FE head on it.
    They have a dry sleeve for LS2/7 blocks also, but since the LSX and RHS blocks are out, I think they are going out of style.

  11. #9
    deckboat owner rschap1's Avatar
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    Default ?

    Some impressiveness there.
    Some of the machining practices are pretty back yard-ish.
    For the cost of their material, I would have sought a little more expertise before giving the OK on this undertaking.

    As far as showing the machine a drawing and it's done... my boss has ideas like that. Simple right?
    I write CNC programs from 3d models and there is just a "little" bit more to it. But only a little
    Software has a ton of advanced tools that would have added alot to this operation. Acurate description of the tooling would have revealed their need for cutter clearance prior to machining, that is the majority of what I based my back yard comment on. Would love to have the capability to do stuff like that at home!!!

    Was the Cobra anodized or a copper body?
    I thought I had heard of a copper one previously.
    Last edited by rschap1; 02-10-2011 at 06:49 AM.

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    Well I would love to have their backyard machining equipment! Pretty sure that was anodized, you can see the lighter colored stripes on the trunk.

  13. #11
    Senior Member Fonz69's Avatar
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    The Art of Engineering

    Billet Block

    These guys make some high dollar products!

  14. #12
    B1 Racing cs19's Avatar
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    Was surprised to see the boring head they were using, all that stuff and a criterion was boring the holes.

  15. #13
    Senior Member cyclone's Avatar
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    Kirkham also built a billet chassis for one of its Cobra cars. The car went for a million bucks to the CEO of Oracle. The prototype for the billet car and the copper car will appear in Hot Rod Magazine real soon. They also made a build book for the billet car that is also made from billet. you can have a copy for $3,800 freakin dollars!

  16. #14
    Senior Member applekrate's Avatar
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    Very interesting video! Thanks for posting it. Was it me or did they not show how they put in the cam bore? that would be the deepest cut for sure.

    About 6-7 years back when the 392 Billet blocks came out, I contacted one of the people who had put the project together and learned where he got the raw billets from.
    Then , I contacted the company and paid them a visit to look into the possibility of having some made for my use.
    The company told me they are not referred to as billets but, as forgings. I provided the specs I wanted and they made me 2 of them in this high grade of forged alum and were certified. I also had them machine an undersize cam bore hole because that was one thing a few friends and I figured we could not do ourselves.

    The main differences I see between the raw forgings they had made the ones I had made was I designed mine to be 6 sided instead of 4 sided. This cut down the initial weight and will save some time and wear while making them.

    After seeing his finished product- of course it is very pretty and I am sure it is plenty strong considering the time and money put into it but, the deck area looks so weak to me.
    neat stuff, thanks for sharing.
    Last edited by applekrate; 02-11-2011 at 08:37 PM.
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