2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

S5 T2 turbo hook-up

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Old Nov 11, 2010 | 10:58 AM
  #1  
alritzer's Avatar
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From: Weirton, WV
S5 T2 turbo hook-up

I know.............and I did look but I can't find the answer.

The turbo has a line that goes to the bypass air control valve but the acv has a block-off plate on it.

Should the block off plate be remove and attach the line or should the line be capped off?

Thanks

S5 T2 turbo hook-up-img_4878.jpg

You can double click the pic to back it bigger.
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Old Nov 11, 2010 | 11:05 AM
  #2  
RotaryRocket88's Avatar
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The BAC is unrelated to the ACV. You can leave it just like in the pic, although the hose to the BAC is oversized and may leak under boost. The OEM hose can still be purchased from Mazda, which is what I did during my build.
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Old Nov 11, 2010 | 12:59 PM
  #3  
alritzer's Avatar
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From: Weirton, WV
Thanks for the help RotaryRocket88, but what I asked is not exactly what I meant. I think its a blonde thing.

Any way, I attached a new pic. Maybe it will help.

Should line A be connected to location B or should the line be capped off?

Thanks, Ashley

S5 T2 turbo hook-up-img_4878-vs2.jpg
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Old Nov 11, 2010 | 01:21 PM
  #4  
87 t-66's Avatar
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yes, A connects to B.
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Old Nov 11, 2010 | 01:39 PM
  #5  
alritzer's Avatar
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From: Weirton, WV
Originally Posted by 87 t-66
yes, A connects to B.
Wonder why the previous owner welded the opening shut?
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Old Nov 11, 2010 | 01:53 PM
  #6  
johnturbo's Avatar
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Originally Posted by alritzer
Wonder why the previous owner welded the opening shut?
he was retarded..lol
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Old Nov 11, 2010 | 01:58 PM
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SirCygnus's Avatar
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From: atlanta ga
because he wanted to block it off.

take the coolant from the rear iron.
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Old Nov 11, 2010 | 02:30 PM
  #8  
87 t-66's Avatar
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From: Columbus, Ohio
Originally Posted by alritzer
Wonder why the previous owner welded the opening shut?
maybe he was running an aftermarket turbo and swapped it out when getting rid of the engine
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Old Nov 11, 2010 | 02:46 PM
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arad99's Avatar
1990 T2
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From: Weirton WV
Originally Posted by 87 t-66
maybe he was running an aftermarket turbo and swapped it out when getting rid of the engine
thanks
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