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  1. Thread: Holley HP EFI

    by Rage
    Replies
    4
    Views
    5,503

    No I had not asked on the Holley Forums. I will...

    No I had not asked on the Holley Forums. I will try that.

    Yes the my 496 engine has the 24 tooth reluctor.
  2. Thread: Holley HP EFI

    by Rage
    Replies
    4
    Views
    5,503

    A Holley HP EFI base tune appropriate for a 2006...

    A Holley HP EFI base tune appropriate for a 2006 425hp Mercruiser 496 HO base engine (GM Gen7 Vortec 8.1L) with upgrades to produce 520ci 650hp naturally aspirated with wet exhaust. I have the...
  3. Thread: Holley HP EFI

    by Rage
    Replies
    4
    Views
    5,503

    Holley HP EFI

    Anybody out there using the Holley HP EFI on a Mercruiser 496HO based engine?
  4. Replies
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    13,900

    I did a couple of times but so far no response.

    I did a couple of times but so far no response.
  5. Replies
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    Anyone heard anything more form Tyler Crocket on...

    Anyone heard anything more form Tyler Crocket on a head and cam package for the 8.1 engine?
  6. Replies
    21
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    16,133

    Are you saying that Amsoil recommends the use of...

    Are you saying that Amsoil recommends the use of AMSOIL MCF 10w-40 Motorcycle oil in general purpose marine outdrives?
  7. Replies
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    16,133

    Do you mean to say that Amsoil has told you that...

    Do you mean to say that Amsoil has told you that they have an active high priority/funded project dedicated to developing and producing a SVG type Severe Duty EP gear lube for marine I/O drives? If...
  8. Replies
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    The spiral cut X1 upper gears are hard & brittle...

    The spiral cut X1 upper gears are hard & brittle and get very good wear life because of that. It is exceeding the torque design limit that one has to be careful of. X1 is rated up to the 425hp...
  9. Replies
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    There is in fact an INDEPENDANT (ie not conducted...

    There is in fact an INDEPENDANT (ie not conducted by / or for someone that would have something to gain from the results) test of gear lubes with and without 10% water addition using the same ASTM...
  10. Replies
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    16,133

    Is your drive a Bravo 1 /X1 or a Bravo XR?

    Is your drive a Bravo 1 /X1 or a Bravo XR?
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    16,133

    The magnets are the cylindrical rod that...

    The magnets are the cylindrical rod that protrudes from the end of the lower drain plug and upper vent plug if you want to check them.

    How many hours on the drive.
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    21
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    What hp? Lube change hours? What do you see on...

    What hp? Lube change hours? What do you see on the drive magnets when you change the lube? Thanks.
  13. Replies
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    16,133

    Which Amsoil lube do you use that you are...

    Which Amsoil lube do you use that you are referring to?
  14. Replies
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    Post 2005 Bravo XR upper gears are experiencing a...

    Post 2005 Bravo XR upper gears are experiencing a high incidence rate of early failure (premature gear surface failure not out right torque induced gear tooth fracture) with 600 and above hp. Many...
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    Amsoil SVG Severe Lube Water Tolerance?

    Merc states their drive lubes will still work if contaminated by some water like up to ~10% as does Amsoil for their AGM Marine lube. I once had an old outboard that before I repaired it had a...
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    Tyler, can you give an update on your work/test...

    Tyler, can you give an update on your work/test results with the new 496 Dart heads?
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