Bolt mod

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Jorgez28

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Hello everyone I have a question. Is there a how to for the bolt mod on the butterfly valve
 
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Jorgez28

Jorgez28

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Thank you I figure I can drive in M mode and see if it’s worth it.
 
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Jorgez28

Jorgez28

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NO I did not I haven’t had much time hopefully around the holidays.
 

BigBlueLB756

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Twist the valve clock-wise and then clamp it. That makes sure the flapper is in line with the exhaust flow, rather than blocking it.

Clock-wise twist:

4250D5CC-E883-4E21-9C76-ABB4E4A3205C.thumb.jpeg.e518bf3e5edb911f240deff31492bd3d.jpeg

Counter clock-wise twist:

D4DCB573-A20B-4A9B-989C-666CD84B8536.thumb.jpeg.d7a30d6d8d1abc72abf83aa4f3220e3c.jpeg
 

Mark Sartain

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Thanks for posting pics. Does it sound better? I thought it was always open when the engine is running.
 
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