Number Six refresh
09-30-2008, 03:19 AM
#21
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When do you feel the need to refresh the drives? I have about 90 hours on mine, and figured they have a ways to go. Are you talking 200 hours it is absolutely necessary, or is it something you do to keep your reliablility high?
I kind of assumed with constant fluid changes, not running hard, they don't need a lot of work, am I wrong?
I kind of assumed with constant fluid changes, not running hard, they don't need a lot of work, am I wrong?
09-30-2008, 06:21 AM
#22
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You never know. If you have a clearance a bit off, if you got just one very heavy gear loading and lifted a tiny portion of a gear face, that's all it takes to begin a downward spiral. Opening them up, reshimming & resealing is not a bad idea, compared to what broken gears, shafts and cases cost.
Refresh intervals are relative to how much power and how you use them. On a time vs. power chart, the curve wouldn't be a straight line. In other words, you don't get half the hours at 1200 hp that you would have with 600. Not a straight-line relationship. Compound that with the 3rd dimension of those unknowns like the occasional bad landing or the holeshot here & there and you complicate things even more.
100 hrs is a good interval for a non-raceboat.
Refresh intervals are relative to how much power and how you use them. On a time vs. power chart, the curve wouldn't be a straight line. In other words, you don't get half the hours at 1200 hp that you would have with 600. Not a straight-line relationship. Compound that with the 3rd dimension of those unknowns like the occasional bad landing or the holeshot here & there and you complicate things even more.
100 hrs is a good interval for a non-raceboat.
09-30-2008, 07:17 AM
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You never know. If you have a clearance a bit off, if you got just one very heavy gear loading and lifted a tiny portion of a gear face, that's all it takes to begin a downward spiral. Opening them up, reshimming & resealing is not a bad idea, compared to what broken gears, shafts and cases cost.
Refresh intervals are relative to how much power and how you use them. On a time vs. power chart, the curve wouldn't be a straight line. In other words, you don't get half the hours at 1200 hp that you would have with 600. Not a straight-line relationship. Compound that with the 3rd dimension of those unknowns like the occasional bad landing or the holeshot here & there and you complicate things even more.
100 hrs is a good interval for a non-raceboat.
Refresh intervals are relative to how much power and how you use them. On a time vs. power chart, the curve wouldn't be a straight line. In other words, you don't get half the hours at 1200 hp that you would have with 600. Not a straight-line relationship. Compound that with the 3rd dimension of those unknowns like the occasional bad landing or the holeshot here & there and you complicate things even more.
100 hrs is a good interval for a non-raceboat.
09-30-2008, 07:41 AM
#24
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Mercury Racing's dry sump six drive refresh program at X-Site test facility in Panama City, FL. X-Site contact number, 850-769-1011....................and BAM Marine in Pompano Beach, FL, does Mercury's tranny rebuild program.
09-30-2008, 07:45 AM
#25
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When do you feel the need to refresh the drives? I have about 90 hours on mine, and figured they have a ways to go. Are you talking 200 hours it is absolutely necessary, or is it something you do to keep your reliablility high?
I kind of assumed with constant fluid changes, not running hard, they don't need a lot of work, am I wrong?
I kind of assumed with constant fluid changes, not running hard, they don't need a lot of work, am I wrong?
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Happily retired and living in Heavens waiting room.
09-30-2008, 08:09 AM
#27
NorTechNorth.com
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705 487 7575
09-30-2008, 04:58 PM
#28
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www.Simmonsmarine.com located here in ohio, Races opa 20+ years experience, In high performance drives.
Last edited by 89scarabIII; 09-30-2008 at 05:00 PM.
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