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Hypothetical v12 question?

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Old May 29, 2008 | 10:28 AM
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My buddy has a lambo kit car. He also has a 2003 or 4 (if i remember correctly) Altima 3.5. well believe it or not he blew the motor just beating on the car. (altima had way over 120,000) so no suprise.. Now here's the question? He was able to get another motor for like $1000 from some auto wrecker in the bronx. So now he has two motors one is toast and the other has like 50,000 or so miles. He's recently been playing with the idea of combining both motors to create a v12 to install in his kit car. I'll take the good with the bad flame or no flames.. Does this sound even remotely possible... Just want to hear what others think..
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Old May 29, 2008 | 10:34 AM
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damn ive never heard that b4.... so he has 2 vq35s.. and wants to combine them to make a v12? hmmm
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Old May 29, 2008 | 10:40 AM
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VQ70DE?

Unless the kit car has a massive abyss of an engine bay, I can't begin to imagine
how you would make that work. Let alone two separate cranks, etc..
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Old May 29, 2008 | 10:41 AM
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Originally Posted by ZthirtyThr33
damn ive never heard that b4.... so he has 2 vq35s.. and wants to combine them to make a v12? hmmm
Yes sir. Literally in plain words he says in theory he should be able to cut the front off of one then the back off the other one then combine.. Obviously there'sa ton he left out but he actually has set off putting the new VQ into his Altima while he researches this theory..
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Old May 29, 2008 | 10:43 AM
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Originally Posted by My350P
VQ70DE?

Unless the kit car has a massive abyss of an engine bay, I can't begin to imagine
how you would make that work. Let alone two separate cranks, etc..
VQ35DE
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Old May 29, 2008 | 10:47 AM
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As in, VQ35 + VQ35 =
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Old May 29, 2008 | 10:48 AM
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Originally Posted by My350P
As in, VQ35 + VQ35 =
Yes sir. just caught that..
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Old May 29, 2008 | 12:54 PM
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anything is possible with the right amount of money. I'm not sure how big his engine bay is or what his layout would be. . .there would be lots of clearance issues as well as an electrical nightmare like no other. . .
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Old May 29, 2008 | 10:56 PM
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its always possible to combine two engines, drag racers used to do it a lot. whether or not theres even a reason to do what he wants is a whole nother thing. why doesnt he get a wrecked m5 v10 instead?
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Old May 29, 2008 | 10:58 PM
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He's leaving a LOT out of the recipe...

He'll have to get the cranks welded together (front to back) and have them balanced/timed right to the point where it will fire in a smooth order. Then he'll need an ecu that can control 12 cylinders and can mess with the firing order, which will be impossible to get right... Unless he wants two cylinders firing per cycle.

Impossible
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Old May 29, 2008 | 11:09 PM
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Very good. Always begin a dumb question with “My buddy...”
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Old May 30, 2008 | 05:51 AM
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Originally Posted by davidv
Very good. Always begin a dumb question with “My buddy...”
What is so dumb? How do you think 12cyl. engines came about?

http://en.wikipedia.org/wiki/V12

Last edited by Highway Riding; May 30, 2008 at 05:56 AM.
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Old May 30, 2008 | 05:55 AM
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Originally Posted by davidv
Very good. Always begin a dumb question with “My buddy...”

Always begin a pointless sarcastic post with "Davidv enters a thread"
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Old May 30, 2008 | 05:58 AM
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Aren't altimas fwd, why not put one in the front and one in the rear of this lambo kit car, I saw a hyundai do it before, had a motor in the front and in the trunk made it awd...
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Old May 30, 2008 | 05:59 AM
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Originally Posted by DelayedZ
Aren't altimas fwd, why not put one in the front and one in the rear of this lambo kit car, I saw a hyundai do it before, had a motor in the front and in the trunk made it awd...
I can't even imagine how that would work gotta search for that one..
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Old May 30, 2008 | 06:02 AM
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tell your "friend" that even if this was possible, since the engine was not forged as a single v12 block there would be no way to do this unless he had mad engineering skills and a forge at his disposal, plus a bunch of money. the integrity of the combined engine would be compromised along with trying to figure out timing and all of that precise measurement that is needed for an engine to work properly would be a complete nightmare. if he had all of that time and money available, just buy a v12 and call it a day.
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Old May 30, 2008 | 06:04 AM
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Originally Posted by Hoooper
its always possible to combine two engines, drag racers used to do it a lot. whether or not theres even a reason to do what he wants is a whole nother thing. why doesnt he get a wrecked m5 v10 instead?
Never even considered that.. he has a small block chevy for it now and just happened to be in the garage with both VQ motors on the floor and he started to brain storm. he has some design/engineering skills from college so he always has some off the wall ideas along with a two car garage and some $$ to burn. But honestly a BMW v10 isn't a bad idea.. He doesn't want the american roar from the small block 350 anymore and wants a more exotic sound without spending 100K..
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Old May 30, 2008 | 06:20 AM
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Looks like Nissan has also thought of this:

http://www.autoblog.com/2007/03/10/g...urbo-r34-gt-r/

This GTR is sick..
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Old May 30, 2008 | 09:14 PM
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Its been done before,It can be done again,is it worth it,and what for what use?
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Old May 30, 2008 | 10:19 PM
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I remember that a number of years back there was a green Ultima GTR competing in the Ultimate Street car challenge. It had some crazy BMW v12 (like in the old 8-series) all motor setup....
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