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Thread: Need Some HELP!!!!!!!

  1. 07-31-2005, 03:18 AM #1
    DansBlown73Nordic
    What RPM,s should a blown 454 idle at???? Motor is a 454 +.030 7.5 to 1 B&M 250 blower, Cam is a 600 lift flat tappet. 110 lobe center. Carbs are 850 mechanicals. Jetted 76 prim. 90 sec.
    Im trying to get it to idle at 800 rpm,s. My problem is if I idle it up much more the boat is to fast in the no wake zones....... :idea:
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  2. 07-31-2005, 05:33 AM #2
    Infomaniac
    I have never had a v-drive that would be considered no wake zone friendly. Regareless of engine, gear etc.
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  3. 07-31-2005, 09:47 AM #3
    Huffer
    MINE WANT IDLE THAT LOW SURGES TO MUCH!!!!1000 AND PULL IN AND OUT OF GEAR IN NO WAKE ZONE!!!!!!
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  4. 08-01-2005, 01:37 AM #4
    DansBlown73Nordic
    I put in a new set of power valves. That seamed to help. Idles around 800-1000 not to bad... :shift:
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