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Need more speed
Having owned my 260sx legend for a couple of years now looking to squeeze some more speed out of here. It has the 496HO, She currently GPS @ 58 at 4600rpm. I'm looking at pulling the corsa exhaust W/mufflers non Switchable to running straight through W/flaps. Then looking at sending the prop in to get labbed. I do have tabs so hopefully they can squeeze a bit out of the prop. Was even thinking of new manifolds not sure how much more that would give me.
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Originally Posted by PowerQuest260HO
(Post 3604604)
Having owned my 260sx legend for a couple of years now looking to squeeze some more speed out of here. It has the 496HO, She currently GPS @ 58 at 4600rpm. I'm looking at pulling the corsa exhaust W/mufflers non Switchable to running straight through W/flaps. Then looking at sending the prop in to get labbed. I do have tabs so hopefully they can squeeze a bit out of the prop. Was even thinking of new manifolds not sure how much more that would give me.
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What size you running currently. I still have a buddies labbed 26p that its basically brand new sitting around I haven't got back to him yet.
Pulling the "turbolator" plates out of the exhausts has shown 10-15hp on the dyno. I'm sure someone will dispute this but I read it online so its gotta be true! They even had a dyno sheet with colored lines to prove it! Lol |
What prop and what pitch are you running? You should be turning 5K RPM at WOT so you are leaving speed on the table.
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I would agree you are definitely leaving some speed on the table. You should run 65mph with that HO at least. Leave the nice personality girls at the dock!:lolhit:
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LOL...."nice personallity girls at the dock "Depending on how nice they are,that might get that last 400 rpms out of that HO
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If you're running a 23p Mirage Plus, be aware it's not a "true" 23. I'd go with a 22 or 21 Hydromotive QIV. I made the mistake of going with a 23 Hydormotive QIV, although up 2mph it bogged down my rmps. It did cure my chine walk in an instant, but I wish I went with a small size.
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Originally Posted by PROWRENCH
(Post 3604755)
I would agree you are definitely leaving some speed on the table. You should run 65mph with that HO at least. Leave the nice personality girls at the dock!:lolhit:
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Pull the 496 out and put a real motor in it. They are a heavy boat for 26'
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Originally Posted by drock78
(Post 3607174)
pull the 496 out and put a real motor in it. They are a heavy boat for 26'
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