Max horsepower

[Ricrob]

Originally Posted by RidgeRunner

I run a 250 but that is overkill. It allows for a lot of power across the RPM range and runs close to 60 mph. I ran a 1980's model 2.4 liter carbed Mercury 200 hp for a time.(like 175 hp by todays rating method) It ran great and was better suited for the boat because it was over 100 lbs lighter than the big 250. Be aware, heavy 4-strokes don't work well on these hulls. They were designed with lighter power in mind as that is what was available at the time. I'm not saying it won't work as many would say the 250 I run won't work. Shhhhh- just don't let it hear you say it...

Happy to hear that! I just bought myself a 1989 V20F-CC with a nice and bulky Mercury 250 EFI and I'm very curious to test the performance next summer!

What prop du u use? I have a 21" SS High-five but I'm thinking about changing to 3-blade?

[THEFERMANATOR]

Originally Posted by Ricrob

Happy to hear that! I just bought myself a 1989 V20F-CC with a nice and bulky Mercury 250 EFI and I'm very curious to test the performance next summer!

What prop du u use? I have a 21" SS High-five but I'm thinking about changing to 3-blade?

A high five is a good prop for getting on plane, thats it. What prop you need has alot to do with how you plan to use the boat. I like the large diameter mirage type props for most uses myself. Not the fastest, but good holeshot, faster cruise speeds, and good economy because of excellent bite.

[RidgeRunner]

To finish Ferm's thought I use a 3 blade Mirage copy made by Quicksilver without the PVS (vent holes) 21 Pitch. Not the fastest but great all around performance. Big round eared blades with some cup on the trailing edge for extra bite. Good bow lift, good cruise, both speed and mileage wise.
I had an EFI once. Sold it to a guy on here. Those motors drink lots of petrol...
It was the fastest motor I ever tried on my V-20 at 61.7 mph officially turning a 23p Tempest to the limiter at 5800 RPM.. Lots of prop slip but the stern lifts a little more with the Tempest and that prop likes trim. See signature picture of the 250 EFI strung out on the Suwannee River a few years back. That was when I weighed 270 lbs. Now that I am 175 lbs. I am sure I could reach 62 ;-)
Click on the picture to see how much boat is actually out of the water. The keel is touching water just in front of the console. Aired out for a old F-20 fisherman.IMG_3861-Copy (2).jpg

IMG_3856 (2).jpg

[RidgeRunner]

The top slows it down.

[THEFERMANATOR]

Originally Posted by RidgeRunner

The top slows it down.

Thats because you need to put some wings on it to increase lift, then it would help you out on the top end.

[RidgeRunner]

Wings impede fishing. Not that I ever fish. LOL!

[THEFERMANATOR]

Originally Posted by RidgeRunner

Wings impede fishing. Not that I ever fish. LOL!

Make them fold up into outriggers, problem solved.

[Ricrob]

[QUOTE=RidgeRunner;224561]To finish Ferm's thought I use a 3 blade Mirage copy made by Quicksilver without the PVS (vent holes) 21 Pitch. Not the fastest but great all around performance. Big round eared blades with some cup on the trailing edge for extra bite. Good bow lift, good cruise, both speed and mileage wise.
I had an EFI once. Sold it to a guy on here. Those motors drink lots of petrol...
It was the fastest motor I ever tried on my V-20 at 61.7 mph officially turning a 23p Tempest to the limiter at 5800 RPM.. Lots of prop slip but the stern lifts a little more with the Tempest and that prop likes trim. See signature picture of the 250 EFI strung out on the Suwannee River a few years back. That was when I weighed 270 lbs. Now that I am 175 lbs. I am sure I could reach 62 ;-)
Click on the picture to see how much boat is actually out of the water. The keel is touching water just in front of the console. Aired out for a old F-20 fisherman.Attachment 6316
Looks awesome!
It looks like you have a bracket on, is that good or bad for top speed? My boat doesn't have a top, so I'm gonna reach for the 62 mph mark, or 55kn as we say!

[RidgeRunner]

I think it helps to get the propeller into cleaner water, maybe a little top end gain. I never ran the boat without the bracket, so I do not know for sure..

[Ricrob]

Originally Posted by THEFERMANATOR

A high five is a good prop for getting on plane, thats it. What prop you need has alot to do with how you plan to use the boat. I like the large diameter mirage type props for most uses myself. Not the fastest, but good holeshot, faster cruise speeds, and good economy because of excellent bite.

Thanx for shearing, I'm used to the Mirage myself as I had one on a Formula 223 I used to owned.

I want good overall use but with as high top speed as possible, and that shouldn't be a problem with 250 hp?