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Homemade M112 for my LS1 BMW

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Old 12-01-2011, 12:53 AM
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Man that is killer. Love it
Old 12-01-2011, 02:19 AM
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Nice car and nice build!
Old 12-01-2011, 08:24 PM
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How much did you spent on making this fit
Old 12-02-2011, 08:57 AM
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So far, I have $325 in the edelbrock intake manifold and thats it. The blower I got from trading some parts and the aluminum I have laying around.

Here is an update on the work I did yesterday.

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Welding everything together today.
Old 12-02-2011, 08:59 AM
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That is just bad *** man!

Question, do you try to weld as much as possible with it on the engine? Or does aluminum not pull near as bad as say, stainless? Just curious as to people methods, im a **** poor fabricator and like to learn when ever and what ever i can
Old 12-02-2011, 09:18 AM
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Alum pulls alot. It is left on the mock up motor durring the entire welding process.
Old 12-02-2011, 03:11 PM
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Gettin' there.

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That'll be it for updates on it until Monday. I have to work on my truck tomorrow and hopefully Sunday I will be meeting a fellow member to pick up a complete M3 rear suspension with axles.
Old 12-02-2011, 03:28 PM
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such a sick build always wanted to put a eaton on a ls1
Old 12-02-2011, 06:04 PM
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Looks great
Old 12-02-2011, 06:27 PM
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wanna build more of them?? lol
Old 12-03-2011, 03:28 PM
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A functional ram air would be pretty cool into that
Old 12-05-2011, 01:28 AM
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Lookin good. I see you managed to clearance for about half the intake bolts, do you know if you stud idea is going to work out for the rest?
Old 12-05-2011, 06:08 AM
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I really wish someone would make an affordable intake manifold for the commonly available Eaton-based superchargers.
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that would be pretty sweet lol, good build op
Old 12-05-2011, 04:35 PM
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I love DIY roots builds. I would suggest switching the lightning M112 for a Cobra version for the side inlet. The Cobra inlet flange isnt perfect, but flows quite a bit more than the truck inlet and will fit your engine bay better

Heres mine off a GT500. Wish I could have found a TVS unit for cheap like Hank, but the stock blower is pretty stout
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Old 12-05-2011, 06:32 PM
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Originally Posted by BOBS99SS
that would be pretty sweet lol, good build op
I'm looking into this currently. probably going to build one to work from and gauge interest. if we can get enough interest my dad and I may start cranking some out
Old 12-05-2011, 07:28 PM
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Originally Posted by EightySevenRX7

That'll be it for updates on it until Monday. I have to work on my truck tomorrow and hopefully Sunday I will be meeting a fellow member to pick up a complete M3 rear suspension with axles.

can you not get a aluminum spacer and drill a hole straight down for the intake bolt. weld both top and bottom to seal it back up and be able to mound all of your bolts on the top side of the plate. Looks good though.
Old 12-06-2011, 09:09 AM
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I'm not planning on makking anymore of theses, though if I did I could sell about 5 today. While I enjoy experimenting with my own stuff, I wouldnt want to have something out there for sale and have one fail. Not only the liability of a failure, but i dont want a bad name becuase something didnt last like I thought it should.

As far as the intake bolts go, there are 5 that are studs and are hard to install, but can be done. the problem with putting the hole all the way through is that the bolts that hold the blower on partially line up with the intake bolts below it. I'm not saying that this is the best way to do it, but after days of thinking, this was the only way I saw to do it.

And lastly, the main reason I am using the lightning blower is that I got it from trading parts. The earlier cobra s/c will not fit, there is significant issues with the heater/ac box. The newer cobra blower may have been an option, but I like the price of the one I have =)

Finishing the welding up now, will post pics soon!
Old 12-06-2011, 10:31 AM
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Hey Pocket, how well is that new setup doing over the last one?
Old 12-06-2011, 09:09 PM
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It kicks ***
Old 12-06-2011, 09:48 PM
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We need to find some one to make a lower intake that we can mount what ever blower we like!


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