Single Turbo RX-7's Questions about all aspects of single turbo setups.

Anyone using dual wastegates?

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Old Jan 25, 2002 | 07:28 PM
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Anyone using dual wastegates?

I am thinking about using dual wastegates, instead of one large one, somthing like 2 35mm ones. Any pros or cons besides having to buy 2 springs to change boost, which I am not worried about since I have a profec in my car. Max
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Old Jan 25, 2002 | 07:44 PM
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Re: Anyone using dual wastegates?

Originally posted by Maxthe7man
I am thinking about using dual wastegates, instead of one large one, somthing like 2 35mm ones. Any pros or cons besides having to buy 2 springs to change boost, which I am not worried about since I have a profec in my car. Max



WHY
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Old Jan 25, 2002 | 07:49 PM
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Umm because then it will be a truly divided manifold then, and 2 small wastegates are quite a bit cheaper than one large one..Max
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Old Jan 27, 2002 | 02:30 AM
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i plan on using two 40mm wastegates on my set up
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Old Jan 27, 2002 | 03:47 AM
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you could also use two small turbos ....
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Old Jan 27, 2002 | 04:30 AM
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Originally posted by spyfish007
you could also use two small turbos ....
stock
I saw a pair this weekend, and I didn't think they were really that small, I mean they're tiny. I want one as a bookmark or paperweight, they're so cute.
Anyone have one that they wouldn't mind letting go for a paperweight amount?
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Old Jan 27, 2002 | 09:13 AM
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Nah keeping with the one big single, I have a t04E.70 p trim 1.15 a/r divided exhaust side.. I was looking at the piping for a divided with a single wastegate, the piping is alot harder to do, and getting symmetrical bends and radius 90's in there for the wastegate plumbing will be alot easier with a wastegate for each runner. I think 2-35's is big enough, the stock wastegate is pretty small, I don't think it is even 35mm. I just want to stay away from having to put alot pipe in the car and doing more bends than I have to, stainless piping isn't cheap..Max
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Old Jan 27, 2002 | 01:54 PM
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stock is 25.4 mm
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