Mag Vs HO engines
08-04-2011, 06:07 AM
#11
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ZX, I'm curious about the switch from mags to HOs. I have been considering converting my two 496 mags to HOs but have reservations on how this would affect my reliability. My two 375s will push my 32 Victory w/28p 4 blade bravos to around 77 now(a little faster in cool water), and would be curious of how much gain I could expect.
08-04-2011, 07:37 AM
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ZX, that sounds great! I spoke with Bob L this summer and he was fairly optimistic as to reliability as well. I figured I could possibly turn a set of 30p props if I went with the HO setup. I am borderline right now turning the 28s at 4700-4800. It came with 26s and they were waaaayy too short, running around 5000-5100. Still pondering.
08-04-2011, 08:47 AM
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ZX, that sounds great! I spoke with Bob L this summer and he was fairly optimistic as to reliability as well. I figured I could possibly turn a set of 30p props if I went with the HO setup. I am borderline right now turning the 28s at 4700-4800. It came with 26s and they were waaaayy too short, running around 5000-5100. Still pondering.
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if you plan to do the swap yourself i think i can scan the section in the shop manuel that explain how to do it,the only special tools you need is a puller and a torque rench and a tool to disconec the fuel suply to the rail.
Last edited by zx14k; 08-04-2011 at 08:57 AM.
08-04-2011, 09:35 AM
#14
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ZX, I'm curious about the switch from mags to HOs. I have been considering converting my two 496 mags to HOs but have reservations on how this would affect my reliability. My two 375s will push my 32 Victory w/28p 4 blade bravos to around 77 now(a little faster in cool water), and would be curious of how much gain I could expect.
Oh and don't you also have to change th TB?
08-04-2011, 10:39 AM
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According to Dustin @ Whipple who have done alot of testing, they are within 2% of their rated power. (He uses SAE ratings, so it's the same as merc)
If you are running 77 on average, 82ish should be the number, and maybe 83+ on the cool day with the sun in your back ect.
Oh and don't you also have to change th TB?
If you are running 77 on average, 82ish should be the number, and maybe 83+ on the cool day with the sun in your back ect.
Oh and don't you also have to change th TB?
08-04-2011, 11:29 AM
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08-07-2011, 08:09 AM
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anyway if you need the the part of the shop manuel shoot me a e mail:[email protected]
