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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 11-17-2007, 09:26 PM   #21
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How long is this lady gonna let you mooch off her?
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Old 11-17-2007, 09:29 PM   #22
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How long is this lady gonna let you mooch off her?
I was wondering the same thing. Did you work out a deal with them or what? Did they just decide to let you use there expensive machinery?
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Old 11-17-2007, 09:35 PM   #23
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I'm as excited as the next guy about this, don't get me wrong. But if its not gonna last forever I at least want my mt.net homeys to get priority on this deal.
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Old 11-17-2007, 09:38 PM   #24
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Dear god no. THe companies that do this do it all the time. Not one off pieces that we would be doing. They sell to caterpillar and reputable machine shops (500+ plus employees). I would rather look up in a catalog and choose exactly what I want then guess and check with heat treating.
It's true you'll have more stock options to choose from if you have access to EDM. I would at least compare the cost of the heat treated alloy to the cost of having a box full of blanks heat treated. You'll save some money buying untreated stock, though that won't be enough to cover the heat treating. At least make a comparison and then decide.
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Old 11-17-2007, 09:45 PM   #25
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I'll default to your more expert judgment, and I would think that pretty much any stock we'd use would be a better choice than sintered steel.
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Old 11-17-2007, 09:52 PM   #26
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I'll default to your more expert judgment, and I would think that pretty much any stock we'd use would be a better choice than sintered steel.
True. For what we're doing buying heat treated stock or having it heat treated isn't going to make a difference. It's simpler and cheaper (should be) to just buy treated stock and EDM it, that's the way to do it. I'm just overthinking things as usuall, so ignore all my talk about heat treating the blanks and just do what you know will work. These gears will be 3-4 times stronger than sintered gears without any heat treating.
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Old 11-19-2007, 03:55 AM   #27
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Nice. Any idea what this would cost the end buyer?
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Old 11-19-2007, 09:03 AM   #28
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no idea
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Old 11-19-2007, 09:57 AM   #29
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about an

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Old 11-19-2007, 10:05 AM   #30
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nicely done. I still need an oil pump....
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Old 11-19-2007, 11:46 AM   #31
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do you? how soon? my "to be built motor" is still in one assembly, but if no one has one any sooner than i can get around to getting it out, i will ship mine as soon as i get it out...you can count on me if no one has one now...
im getting very excited about this option...but you'd have to at least secure a spot for me once "production" starts
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Old 11-19-2007, 12:11 PM   #32
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As soon as the engine stand is free again, I'll start breaking my block down. Right now there's a pretty radical 350 on the stand, waiting for a car to get back from the paint shop.
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Old 11-19-2007, 01:18 PM   #33
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I'm in, GB or testing.
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Old 11-19-2007, 01:27 PM   #34
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A very conservative number is $250, but I would guess $150 for these gears.
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Old 12-07-2007, 01:54 PM   #35
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Anyone have an oil pump yet? I really want to get going on this
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Old 12-07-2007, 02:41 PM   #36
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I'll say it again, I've got one. Anyone who wants it can come get it or pay shipping. I've been sledge-hammering it off my old crankshaft and it's finally starting to move.
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Old 12-07-2007, 02:52 PM   #37
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is it deformed?
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Old 12-07-2007, 02:53 PM   #38
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oil pump for lugnuts?
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Old 12-07-2007, 02:56 PM   #39
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Quote:
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is it deformed?
I don't think your gonna bend sintered parts much without breaking them, but that wouldn't matter would it you guys just wanted to test it's hardness or something, right? Just go bet some stock and make some gears!!! I'm standing in line.
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Old 12-07-2007, 02:58 PM   #40
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You could also see if FM will send you one from their salvage... They might do it for uber cheap/free since they're throw away parts and they're moving anyway.
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