Originally Posted by 1slow370 Fi is not out of the question, i have been thinking about a little something, maybe a small insta boost turbo for 450-500hp Sent from my
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08-11-2014, 09:57 AM | #181 (permalink) | |
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that's gonna be sweet
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08-11-2014, 09:58 AM | #182 (permalink) |
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just like the BMW and Audi bi-turbos lol
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08-11-2014, 10:01 AM | #184 (permalink) |
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not sure. you'd probably need the input of someone with more boost knowledge than myself lol
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08-11-2014, 10:40 AM | #185 (permalink) |
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Sequential twins would be pretty sweet. That would be an interesting take on FI for the VQ.
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08-11-2014, 12:47 PM | #186 (permalink) |
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Sequential's are kind of a pain in the **** because there is a lot more to it than just putting two different sized turbo's on it. you end up needing to add in exhaust valves and intake valves, and a way to control them so that when say number 1 turbo is spooling up the air isnt just blowing through the larger number two turbo's compresser housing backwards.
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08-11-2014, 02:04 PM | #187 (permalink) | |
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08-11-2014, 02:59 PM | #189 (permalink) |
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Yeah no... I dont really care anyway anything past 500hp is worthless to me at this point. And vgt turbos have reiability issues
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08-11-2014, 03:01 PM | #190 (permalink) |
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I'm just jumping in here, but this conversation got pretty interesting. I am looking into possibly swapping a VK56 into a Y34, but for the Z guys, why not the VK45 instead of the 56? Seems like it might be a bit easier and should still make plenty power.
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08-11-2014, 04:27 PM | #191 (permalink) | |
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Edit: the key in sizing doing that is just to match the pressure ratio's and efficiencies of the two turbo to get the target boost pressure, and to make sure that the intake turbo can flow enough compressed air to supply the second turbo The VH45 is no bigger than a stroked vq so by going vk5.6 you have enough extra displacement to really make a crazy build worth it. the vh is good engine, revs higher than a vk stock but it is a little small to justify it.
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08-11-2014, 06:26 PM | #193 (permalink) |
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same deal. since vk45 and the vk56 are basically the same engine but one is bigger, cheaper, and more available the choice is easy.
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11-25-2015, 11:04 AM | #195 (permalink) |
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Well the platform changed a bit but same swap. its going in the 260z now hahaha. got the motor for 1500 with low miles, picked up a freshly rebuilt vortech v1 s-trim for 300 dollas and the trans came from the donor car for the 350z subframes. Still need a clutch and flywheel.
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