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  1. #1
    Junior Member
    Join Date
    Nov 2015
    Location
    Upper Chesapeake Bay
    Posts
    4

    Too much water pressure !

    I'm having issues with excessive water pressure . I recently replace my complete exhaust systems with EMI Thunders ,Aluminum manifolds and SS long risers . My raw water pressures are now pegging the gauges at over 35psi ! It has blown the hose off the circulator pump ! Has anyone seen this and what can I do to correct the problem ?

  2. #2
    Welcome to www.hotboat.com !

    What kind of boat??

  3. #3
    Junior Member
    Join Date
    Nov 2015
    Location
    Upper Chesapeake Bay
    Posts
    4
    29' Scarab with 2/350 Mags Bravo XP spinning 23s Hydr steering, bought it new in01 , my 2nd new 29' Scarab. replaced manifolds and risers due to age (cracking). just got it back in the water and pressures are pegging the gauges at over 35 psi ! Was running @28 w/ stock mans and risers . Not sure what to do to correct the problem ? Is there a by-pass or dump valve I can install ? or can I cut the outlet ports in the risers a bit larger ? Any suggestions ??
    Last edited by will; 11-10-2015 at 03:25 PM. Reason: typo

  4. #4
    Almost sounds like you have a restriction somewhere.


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