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  1. #1
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    Mercury 2.5 horn motor vacuum question ?

    Just wondering if anyone has ever measured the amount of vacuum a 2.5 260-300 with a horn makes say at idle. I'm doing some comparison vs an svs as I set up my ecu. Thanks for any help! Mark

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    My motor pulls 6.5 Vacum With idle set @2000 rpm just checked it a couple of weeks ago.

  3. #3
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    Thanks for the fast reply Tim!

  4. #4
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    Quote Originally Posted by timmc6 View Post
    My motor pulls 6.5 Vacum With idle set @2000 rpm just checked it a couple of weeks ago.
    Thats a bunch. What ecu are you running
    Erik Kiser

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    A63 Erik.was trying to pull different pressures but stock was the most consistent.

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    Quote Originally Posted by timmc6 View Post
    My motor pulls 6.5 Vacum With idle set @2000 rpm just checked it a couple of weeks ago.
    Fast idle for a fishing boat
    81' HYDROSTREAM VECTOR / slightly Modified 200
    before and after:http://www.screamandfly.com/showthre...inished!/page3

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