Max HP rating for a Chrysler trihull 16' 1973 ?

Marcq

Petty Officer 1st Class
Joined
Jul 30, 2007
Messages
241
Just bought this boat for the 70hp evinrude it has on it, would like to switch motor with a 85hpv4 johnson but don't know the max HP rating for that hull, it's a Sport Fury

Thanks, Marc..
 

oops!

Supreme Mariner
Joined
Oct 18, 2007
Messages
12,932
Re: Max HP rating for a Chrysler trihull 16' 1973 ?

hi welcome,

the max hp is on the, hull plate on the inner transom, i think an 85 was max.

but the uscg reues in the restoration forum, (at the top) have the calculations for max hp.

cheers
oops
 

Scaaty

Vice Admiral
Joined
May 31, 2004
Messages
5,180
Re: Max HP rating for a Chrysler trihull 16' 1973 ?

Maybe only 75hp. Friend had similar years ago.
Thing is, the 85 probably a lot heavier...best I can guess at..
 

Marcq

Petty Officer 1st Class
Joined
Jul 30, 2007
Messages
241
Re: Max HP rating for a Chrysler trihull 16' 1973 ?

hi welcome,

the max hp is on the, hull plate on the inner transom, i think an 85 was max.

but the uscg reues in the restoration forum, (at the top) have the calculations for max hp.

cheers
oops

Yeah oops, I checked but everything is erase on that plate

Marc..
 

Marcq

Petty Officer 1st Class
Joined
Jul 30, 2007
Messages
241
Re: Max HP rating for a Chrysler trihull 16' 1973 ?

Maybe only 75hp. Friend had similar years ago.
Thing is, the 85 probably a lot heavier...best I can guess at..

Saw a thread not to long ago, a guy had posted pictures of brochures of that exact same boat with the HP rating but can't find that thread anymore or maybe it wasn't here :confused:

Marc..
 

Dakota47

Senior Chief Petty Officer
Joined
May 22, 2007
Messages
722
Re: Max HP rating for a Chrysler trihull 16' 1973 ?

put it on.. should be fine if the transom is solid. ;)
 

oops!

Supreme Mariner
Joined
Oct 18, 2007
Messages
12,932
Re: Max HP rating for a Chrysler trihull 16' 1973 ?

Yeah oops, I checked but everything is erase on that plate

Marc..

dont ya just love looking a a silver sticker with nothing distinguishable on it.....(unless your a csi)
 

Marcq

Petty Officer 1st Class
Joined
Jul 30, 2007
Messages
241
Re: Max HP rating for a Chrysler trihull 16' 1973 ?

dont ya just love looking a a silver sticker with nothing distinguishable on it.....(unless your a csi)

haha, I actually did my csi home work, magnifying lense, rubbing a pencil on a piece of paper on top of the sticker but didn't have a microscope :D

Marc..
 
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