Interceptors are not performance boats.

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Interceptors are not performance boats.

Postby chambers1517 » Mon Mar 30, 2015 9:32 pm

My first Caravelle was a 2005 207ls. It had a 5.0 mpi Mercruiser. It was a nice boat. It would top out at 50mph gps. I always wanted an Interceptor. I heard about how they had a pad on bottom to help performance. They looked fast with the low windshield and low freeboard. A couple of years ago I bought a canary yellow Interceptor with the tinted window. It looks great.It has a 350mpi Mercruiser with a Bravo one. I thought it would be much faster. It runs 55 gps. It's not as wide as the 207 and doesn't seem much bigger overall. It is great to look at. My brother in law bought a 1994 Baja. It is about 22' and looks huge next to my boat from a height standpoint. His freeboard is almost twice as much as my Interceptor. His boat is heavier also. We had our boats out this week and ran down the lake together. His boat has a 350 Merc but he was able to pull away from me. This was a surprise and somewhat of a disappointment. What is the point of a go fast looking boat that doesn't go any faster than other boats?
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Re: Interceptors are not performance boats.

Postby AndrewT » Tue Mar 31, 2015 4:01 am

My stock 212 with a 270HP 5.0L does 55mph on GPS, at sea level on the river,I'm definitely not disappointed with that.
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Volvo 5.0 GXi 270hp
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Re: Interceptors are not performance boats.

Postby iammarcuse » Tue Mar 31, 2015 9:28 am

Hahaha... this is a funny post. Try a few different props and you will outrun that tub your brother in law calls a Baja. Speed is almost always a relationship between horsepower and weight. It makes no difference how low the boat is. A pad bottom doesn't even make any difference on a 3000# boat that does under 60 mph. And a 350 Mag is just a recreational motor. Put a 525 hp Merc Racing motor in the Interceptor and you will have a performance boat.
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Re: Interceptors are not performance boats.

Postby buyfire » Tue Mar 31, 2015 11:56 am

Chambers,

You are right, to an extent. Interceptors will perform as well or better than most like-size and weight "recreational" boats because of the pad & extended running surface. But, a true "performance" boat will usually have less hook in the running surface, making it faster. The Baja will also have a deeper deadrise, making it perform better in rough water. This will also usually lead to a much longer time to plane, and a higher plane speed. I'll bet you could take him from a stop, and he'd eventually catch up..... All other factors being equal.
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Re: Interceptors are not performance boats.

Postby HOT PURSUIT » Tue Mar 31, 2015 12:33 pm

A 350 Merc what??? Many versions of that block and any performance enhancers done???

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Re: Interceptors are not performance boats.

Postby chambers1517 » Tue Mar 31, 2015 1:55 pm

His is a 350 EFI bone stock. He defiantly has a bigger boat. I thought I would be faster with less weight and more HP.
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Re: Interceptors are not performance boats.

Postby HOT PURSUIT » Tue Mar 31, 2015 4:24 pm

So same engine eh? How about weight, prop and I would still like to see a pic of that engine. BUT, The INTERCEPTOR is MUCH better looking NO MATTER WHAT :mrgreen:

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Re: Interceptors are not performance boats.

Postby iammarcuse » Tue Mar 31, 2015 4:36 pm

Here are some numbers from my 6.2L with 1.65 drive. If you have a 1.5 drive a 21p Enertia is the prop to use to put the Baja in it's place.

Props :------------------------20 Enertia-------------22 Enertia-----------21 Vengeance------------21 Mirage (detuned 23)----23 Mirage---------23 Tempest

Holeshot---------------------- Excellent --------------Very Good------------Excellent-------------------Very Good------------------Good--------------Very Good

3000 RPM ---------------------27 mph-----------------30 mph---------------31 mph--------------------33 mph--------------------34 mph--------------34 mph

4000 RPM----------------------39 mph-----------------43 mph---------------42.5 mph------------------44 mph -------------------45 mph--------------45 mph

RPM @ WOT-------------------5,400--------------------5100------------------5200-----------------------5100 -----------------------4800-----------------4950
-----------------------------Hit Rev Limiter
GPS speed WOT---------------55.5-----------------------57.5------------------58-------------------------60---------------------------60-------------------61

I am a little surprised how little difference there is between the props. Some have slightly better holeshot but really none are bad. The Tempest is just slightly faster but it is oddly perceptibly louder. I actually prefer the 23 Mirage out of the bunch for its quiet very smooth ride. It carries a load of people without losing much speed and stays on plane at a very slow 18 mph. The 21 Mirage is good too but slips a bit at high trim because detuning removes some cup. Honestly, other than the 20p Enertia which was too small I would be happy with any of them.
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Re: Interceptors are not performance boats.

Postby sdk » Sun Apr 12, 2015 5:21 pm

I confirm the 58 mph GPS with a 21p Vengeance.
I call my Interceptor a hot rod family boat.
If it had a big block motor instead of the small block, then I would call it a performance boat.
2005 Caravelle Interceptor 232 BR SS
350 MAGMPI, Bravo 1
2014 Stingray 2LT Coupe
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Re: Interceptors are not performance boats.

Postby HOT PURSUIT » Mon Apr 13, 2015 8:59 am

:mrgreen:

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Re: Interceptors are not performance boats.

Postby chambers1517 » Mon Apr 13, 2015 6:29 pm

OK, so I took my prop to a prop shop last week to trade it in. He sells Solas props. He looked at my Vengence and it turns out one blade is bent bad and most of the cup was gone from the other blades. He said that was why it slips so bad. I decided to try a 19p 4 blade Solas. The Solas looked much larger, it was a 14.75 diameter. Went to the lake and tried the 4 blade. First thing I noticed was how smooth the prop was. It was like butter but I actually got no stern lift and got bow lift. I could hit 51mph with the drive all the way down and I hit a max of 53 with the prop trimmed 3/4 of the way to the top. Above that it blew out. I also was only able to hit 4800 rpm and that was with me only so this prop was slightly too big. My planeing speed also increased from 18 to 21. I ended up taking it back and told him to repair my vengence. It had better hole shot and better top end but I wonder how much it will change when he puts the cup back in. He said he will bring it back to factory spec and polish it when he is done. I was worried a 17p would be too low and they don't make an 18. How do you overcome the larger diameter of a prop without even size pitches being available?
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Re: Interceptors are not performance boats.

Postby HOT PURSUIT » Mon Apr 13, 2015 7:33 pm

ENERTIA! :mrgreen:

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Re: Interceptors are not performance boats.

Postby buyfire » Tue Apr 14, 2015 10:31 am

If you want max top end performance out of your boat the Vengeance is crap. Try an Enertia or 3 blade Ballistic, the difference is night and day. Seriously, not kidding. HP and I have been back and forth as to which is better, it's close either way.
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Re: Interceptors are not performance boats.

Postby iammarcuse » Tue Apr 14, 2015 6:46 pm

Again, if your drive is 1.50 you need a small diameter prop. That setup is very sensitive to diameter. That is why they put the small diameter Vengeance on them from the factory. It should be run faster after the repair. The Enertia is the winner on that drive.
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Re: Interceptors are not performance boats.

Postby HOT PURSUIT » Tue Apr 14, 2015 11:21 pm

:mrgreen:

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