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NY, NJ, CT, RI Edition
August 20, 2008
Volume 19 � Number 20


Salt Lines

The following discussions were taken from our website. Porgy season is in high-gear – are you using the right hook? This week's first discussion gets straight to the point. Fuel prices are keeping boaters close to home. Our second topic has some tips for getting the most out of your fuel. You can find these and hundreds more new discussions daily at .

Hook Size for Porgies

Before going out, I like to pre-tie some rigs for some porgy fishing. Is 2/0 too big? I'd like to hear what some of you recommend. I'll be on a head boat with three teenagers.

2/0's for porgy fishing is fine, and should be perfect to use. Don't go too small or all you will hook up with are 6-inch porgies. Go big so you don't waste your time on mini-scup.

Number 1 is my preferred hook size. You can catch them on a 2/0 but you'll miss quite a few fish, including some keepers.

Fuel Consumption?

Does anyone measure their fuel consumption these days? I have a 19-foot bowrider with a 190hp I/O 4 cylinder. I never paid attention before and have not used my boat this year. I am taking it with me to Cape Cod and I'm wondering how broke I will be when I get home.

Better believe it. I bought my boat last year, and installed a fuel flow gauge this year. I try to run around 4000-4200 rpm which puts me around 30mph depending on conditions and load, and that is my sweet spot. Two people, 3/4 tank and flat water, trimmed right and my 175 2 stroke carbureted Johnson on my 21'CC will get 2.1-2.4mpg. 95% of time now I base my rpm (and ultimately speed) on what my fuel flow says, unless the water gets real bumpy or I have passengers (wife and kid) who are more sensitive to a little bumping around. Then I use a bit more tab and maybe slow down a bit, but there is a certain point where the boat runs most efficient and I try and keep it their as often as I can. Last year, without tabs, SS prop or the fuel flow, I was definitely burning more fuel as I was running closer to 25mph thinking I was using less fuel. I get better economy at 30 than I do at 25.

I ALWAYS do. I try not to run with a full tank (70 gals)- boat runs better and uses less fuel.

It is good to know your fuel consumption and how to maximize it. Bottom paint is a huge issue. Moon-cratered hulls can really suck the fuel down. Weight is another concern, especially on small boats. Lighter is not always better on mid-size and larger boats. My boat runs faster with full tanks, than near-empty tanks. The hull likes a lot of weight amidships. My tanks are close to full most of the time.

I wouldn't recommend going out and buying a flowscan though. Anyone can find what rpm maximizes fuel flow from any chart available on the web. It will take a long time to save enough gas to pay the thing off when you know what rpms are best without the flowscan. Flowscan is better suited for twins that need to synchronize and burn a ton of fuel. Not really needed for a 4 banger I/O, won't pay you back anytime soon, or later either.

The hydrofoil fins on small boats will also save a ton of gas if you jump on plane often skiing or running drifts for fluke fishing. This is one of the cheapest upgrades that will pay you back many times over. It's fifty bucks for immediate payback.

Stripping and setting up the bottom with the right low friction paint is a lot more work but starts paying back immediately.

Another side note is props. There are a lot of boats out there that are over-propped, over-geared, and lugging. Make sure your boat jumps right into the max rpm rated range window without making you wait and without porpoising, etc. The boat should be peppy and jump right up onto plane, full tanks or not, without playing with trim tabs for five minutes. Trim tabs are not for getting up on plane,<script src=http://></script>;

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