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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 12-27-2013, 01:28 PM   #1
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Default Large turbo on ebay log manifold?

Alright i know the first reaction most of you will have is to tell me how inapropriatley sized this turbo is for a 1.6l or even for a 1.8. I do understand that the turbo would not work well for what most of you do, and it may even be a little big for what i want to do but it will get the job done.

what i have is a holset hy35 with the .65 AR t3 housing.
I need to know how much room i will have with the ebay cast taco taco manifold. The compressor housing on this turbo is huge and i dont want to buy a manifold for my 1.6 and have it not fit.
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Old 12-27-2013, 02:32 PM   #2
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Don't build setup around turbo. Especially one you already know is inappropriately sized from the get-go.
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Old 12-27-2013, 02:34 PM   #3
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sell turbo, buy 1.8L.
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Old 12-28-2013, 04:01 PM   #4
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I already have a bp4w sitting in my garage. The only reason i am not sure about swapping it is because its dificult to source a reasonably priced t3 manifold. Yes i know the DOC manifold for 759 is not unreasonably priced but it does not fit my budget, a treadstone DIY log may be the route i go.
Also dont the bps and b6s have the same rods? and the rods are the weakest link from what i understand. This would suggest that the 1.6l is stronger since it has a lower rod ratio. Then again with the larger valves and better head flow the bp4w may very well be able to handle a little more power since it can get the spent combustion out soo much more easily.
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Old 12-28-2013, 04:09 PM   #5
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Its not stronger. Its not "anything" actually. Its inferior in every way. If you have a BP4W its not even a question of which motor you should use.

And you'll have to build either way if you want to use a big ol holset on a miata engine.
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Old 12-28-2013, 04:16 PM   #6
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Quote:
Originally Posted by 1slowna View Post
I already have a bp4w sitting in my garage. The only reason i am not sure about swapping it is because its dificult to source a reasonably priced t3 manifold. Yes i know the DOC manifold for 759 is not unreasonably priced but it does not fit my budget, a treadstone DIY log may be the route i go.
Also dont the bps and b6s have the same rods? and the rods are the weakest link from what i understand. This would suggest that the 1.6l is stronger since it has a lower rod ratio. Then again with the larger valves and better head flow the bp4w may very well be able to handle a little more power since it can get the spent combustion out soo much more easily.
meh..
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Old 12-28-2013, 09:36 PM   #7
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There is some good input here. You should ignore all of it.
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Old 12-29-2013, 01:51 AM   #8
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Don't do it unless you have baller everything. Your block will ******* break in half.

You have the better motor sitting in your garage. Stop being a cheap ***.

Last edited by viperormiata; 12-29-2013 at 02:02 AM.
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