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 1990 Stratos 266fs set up help [Archived]
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FlyinSC1
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12 posts
Louisville ky

 1990 Stratos 266fs set up help Reply  Edit


I have a 1990 Stratos 266fs with a 1986 mercury 150hp xr2 that has been built up , had the compression raised, had the port timing raised to 200hp specs with the carbs jetted to match the mods. I am trying to figure out the right prop height and the best prop. Its current set up is 6.25 below the pad, a 6in manual jack plate. I have a 23x 14.25 quicksilver that netted me a top speed of 65.1 on gps at 6500rpm. The engine was built to 6700rpm max. Any help will be greatly appreciated.


fastman151
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4809 posts
Hopelawn NJ

 Re: 1990 Stratos 266fs set up help (FlyinSC1) » Reply  Edit


Mike...I'm not an expert, but 6.25 seems awfully low. I'd like to see how that boat would run with it set at 3.50 below pad and pushed by a 24p Fury. That sounds like a 70 mph combo!!!!!!
FlyinSC1
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Louisville ky

 Re: 1990 Stratos 266fs set up help (fastman151) » Reply  Edit


I have just got a 26p quicksilver II that I am going to go try tomorrow or thursday I will try and raise tthe engine up and see what that will do. Any other ideas?
xb03fs
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594 posts
St. Louis MO

 Re: 1990 Stratos 266fs set up help (FlyinSC1) » Reply  Edit


It will want to stay pretty deep fish and skis are nose heavy, but you are already throwing a rooster tail at 6" under. With any load at all you wont want to go much higher
FlyinSC1
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Louisville ky

 Re: 1990 Stratos 266fs set up help (FlyinSC1) » Reply  Edit


It doesnt throw a rooster tail and I have alot of water pressure. What would be a good height to try for the engine?
xb03fs
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594 posts
St. Louis MO

 Re: 1990 Stratos 266fs set up help (FlyinSC1) » Reply  Edit


I am at 5 1/4 on my little 17" with 115, with a good prop. I would start there and work up
FlyinSC1
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12 posts
Louisville ky

 Re: 1990 Stratos 266fs set up help (evin268fs) » Reply  Edit


Thanks for the help. I am going to try it with the 26 laser and see what that will do. I can turn a 23 over my max rpm so I guess it needs more prop, but I keep hearing about prop slip. How can I tell if it is slipping?
FlyinSC1
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12 posts
Louisville ky

 Re: 1990 Stratos 266fs set up help (FlyinSC1) » Reply  Edit


Ok , I tried my 26 laser tonight with mixed results. IT has a slower holeshot, of course and a slower top speed? It ran 61mph and it was chine walking terrible, and finally blew out the prop. I raised the engine up 1/2 in to 5 3/4 below the pad and it settled the handeling out, didnt blow out again and I was able to get to 62.1mph at 6100 rpm . Anyone have any ides
201pro
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1574 posts
Columbus IN

 Re: 1990 Stratos 266fs set up help (FlyinSC1) » Reply  Edit


Keep moving the motor up until the rpms go up, but the speed falls off and try it with a good bow lifting prop like a Tempest or TXP...The motor is too low for that hull and that LazerII is a not much of a prop... Tempest will be much faster and handle much better...


FlyinSC1
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Louisville ky

 Re: 1990 Stratos 266fs set up help (FlyinSC1) » Reply  Edit


I have the boat at work today , we are going to raise the engine up and try it again this weekend. THANK YOU ALL VERY MUCH !!!! I really appreciate all of the help. I will let you know how it does very soon. If I look for a tempest sould I stay with the 26p?
rchavis
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752 posts
Raleigh NC

 Re: 1990 Stratos 266fs set up help (FlyinSC1) » Reply  Edit


I would try a #25p tempest plus or a trophy plus #25p i think the 26p is to much prop for a 200hp motor iam running a 200hp tempest plus has good bow lift but haveing promble truning it but ithink ihave foul plug are something just coming off double oil but before rebuild could turn the old style lser2 up to 6000 rpmsand iam on a bass boat but ithink you will be better with the trophy plus its a four blade better hole shot and around for a fish&ski boat hope this help
Darth VMAX
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2578 posts
Rose Hill KANZAS

 Re: 1990 Stratos 266fs set up help (rchavis) » Reply  Edit


If I remember right the 266 is a 16'4" boat rated for a 140hp. So keep in mind this boat is severely overpowered. That is a 20 yr old boat with a lot of wood in the transom. Unless you are the original owner and know how its been taken care of I would caution you. MAKE SURE that transom is in good shape. If not you have an accident just waiting to happen.


 


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