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-   Sonic (https://www.offshoreonly.com/forums/sonic-46/)
-   -   what hp needed to get 31sonic to run 80mph? (https://www.offshoreonly.com/forums/sonic/309800-what-hp-needed-get-31sonic-run-80mph.html)

4bus 03-20-2014 09:49 AM
Originally Posted by GO4BROKE (Post 4092615)
http://www.offshoreonly.com/forums/s...67-525scs.html

If I remember correctly, these and a pulley change can put you near 90.
Yup, Tony P used to run 86 with this set up on 8 lbs

GO4BROKE 03-20-2014 04:53 PM
Thats the one I was thinking of. I thought he got a little more than that, but thats about the speed 31's get squirrely.

GO4BROKE 03-20-2014 04:56 PM
Originally Posted by ttuton (Post 4092624)
I think you are thinking of 575sci's. teamsynergy runs in the 90's with turned up 575sci's!
Actually Dano got 98 or 99 out of his 31 with tweaked 575's, sportmasters, and LOTS of dialing in.

Sydwayz 03-20-2014 04:56 PM
There is one with twin 900s in VA/NC and he's way north of 80, :D :eek:

teamsynergy 03-27-2014 08:26 PM
1 Attachment(s)
I have Dano's old boat... Have seen 97 at best. They are not stock 575's anymore but not radical either. Running built XR's, run it like I want and never need to look back.... No worries with the setup. At 97, the boat handles like its on rails. From 50 on up, it is smooth!

But some advice for the original poster.... Stock is reliable, speed is addictive and is expensive... :-)

4bus 03-28-2014 10:00 AM
Originally Posted by teamsynergy (Post 4097117)
I have Dano's old boat... Have seen 97 at best. They are not stock 575's anymore but not radical either. Running built XR's, run it like I want and never need to look back.... No worries with the setup. At 97, the boat handles like its on rails. From 50 on up, it is smooth!

But some advice for the original poster.... Stock is reliable, speed is addictive and is expensive... :-)
Your boat is kick ass.....love the videos.

Curious what mods you made to the xr drive?

teamsynergy 03-28-2014 03:47 PM
Drives have a recipe of AADS components in them. The have modified towers, bigger bearings, better top cap bearings, custom vertical shafts, and a few more "custom" fav's.... They live up to the abuse that lake Michigan provides. I am not a throttle man.. I am a driver. George at All American Drive Service does build a great Max Mod 4 drive...

Rattlesnake Jake 03-28-2014 04:57 PM
Originally Posted by 4bus (Post 4092120)
Be careful, you are walking a fine line that many of us wished we had never crossed. Remember, reliability will also trump a small speed increase.
It's a disease. You get to 80 and in no time you want more and start thinking of mid to high 80s maybe 90 and on and on.

My favorite saying on this is "If you wanna dance you have to pay the fiddler" and he ain't cheap.

Good Luck

GO4BROKE 03-28-2014 06:48 PM
Originally Posted by Sydwayz (Post 4093104)
There is one with twin 900s in VA/NC and he's way north of 80, :D :eek:
In a 31? I like his style!

PROMAN 04-11-2014 03:12 PM
Gopropless on this forum has a 31ss that has seen 80 on gps. It is pushing 550hp plus carbed.


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