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-   -   Looking for more speed. (https://www.offshoreonly.com/forums/general-boating-discussion/382155-looking-more-speed.html)

ben 04-14-2024 03:47 PM

Looking for more speed.
 
Looking to get more speed out of my 1992 24' Challenger. It has a 525hp 496 with a 1.36 bravo. Currently has run a best of 79.6 with a 23p 3 blade. The drive sits pretty low and I was thinking of adding a -2 lower, I'm looking for some insight on that or anything else that could help before I drop more power in it. I'll snap a pic of the transom shortly, has a small pad and fixed tabs.

https://cimg4.ibsrv.net/gimg/www.off...1ddfb80069.jpg
https://cimg3.ibsrv.net/gimg/www.off...a5a295da30.jpg


ben 04-14-2024 03:58 PM

https://cimg0.ibsrv.net/gimg/www.off...3c4700e3a6.png
https://cimg2.ibsrv.net/gimg/www.off...cbfd7d0aa0.png

105Fountain 04-14-2024 04:03 PM

79mph with a 3 blade 23p @ 6000 rpm? Or more>?

ben 04-14-2024 04:27 PM

5400 rpm, that was on basically no fuel and just me in the boat. normally runs around 75 with half a tank and two people. Going to pull the silent choice off and new motor will have aluminum heads to save some weight.

F-2 Speedy 04-14-2024 04:36 PM

I dont know your hull, but Id do some measuring before throwing parts at it. where is the prop shaft in reference to the bottom of the pad, some hulls just run out of gas at certain mph

SB 04-14-2024 04:42 PM

Also…..Try a friends 1.5 bravo with bigger prop ?

sutphen 30 04-14-2024 05:40 PM

you need a 3/4 race cam and run down the river for that extra humph.:)

or,,buy a 29 outerlimits.

ben 04-14-2024 05:56 PM

I was thinking about this, If I would be better off with a 1.5 I would definitely switch that out.

Mbam 04-14-2024 06:00 PM


Originally Posted by ben (Post 4895571)
I was thinking about this, If I would be better off with a 1.5 I would definitely switch that out.

Great suggestion, one of the first things I would try.

F-2 Speedy 04-14-2024 07:19 PM

most go down to a 1.36 when they run out of prop and are on the limiter, it takes bigger power to pull a 1.36


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