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You can add wax or not. Its only the last couple of thousanths that will be inhibited by air, all the rest of it will cure just fine. No big deal. Your new material will "stick" to sanded gelcoat...

tach signal comes from the stater. no. of cylinders is not important. I wish I could remember.

in a '79 its a microswitch located inside the trim bracket.

When your glassing around those T nuts coat them with a lot of vasilene to protect from resin getting in the threads. Just sayin'

Seems like every time I say something Woody backs it up with an easy to understand drawing. I guess all I can say is,,,,,,,,,,THANKS. I'm kinda illeterate with computer stuff, and spelling.

I know you told us the weight you'll be carrying but it just seems to me that we all end up adding more than we think we will. I'd get the 8 just because than I'd be sure I'm going to get on plane...

Get the 4 blade for the uses you describe. Three blades are the most common because they do give the best WOT performance in most cases and that's what sells a lot of boats. You'll find the four...

Frank has it right about the manufacturing cost factor. You might not have much room there anyway because of the Vee of the hull under there. Having said that You won't cause any structural...

Your idea is good, just don't use 5200 to hold the piece in place. It will take a week to dry and resin won't stick to it. Just get something up in the hole as a backer. Heck, even a piece of...

I agree with Texas. I doubt you'll need much dealer support after you get it broke in. Normal maintain items can be ordered over the phone or on line and you can think ahead.

In my op. the best transducer is a through hull type. Yes you now have another hole in your boat but the benefit of good readings at high speed are worth it to me. I know some people can get good...

To splice the plywood cut a strip about 4" wide and center it under the seam. Then countersink holes on both sides of the seam and glue and screw the plywood floor to the underneath backer strip on...

You need to run a negative (ground) wire directly to the neg side of the pump. Then a pos 12 line to the switch and on the other side of the switch to the +12vdc on the pump. However pumps like...

The tach sender wire is either tan, or kinda brown or grey depending on the age of the motor. You can find that same wire that's on the remote control in the motor coming off of the rectifier. You...

Yes there is. Even if your metal tank is touching the metal boat you could have corrosion destroying the connection. The bonding system is to help get rid of static electricity. Static is usually...

Nope, just make sure your grounding wires are complete and secure from the Gen set to the on board charger.

When I was in the business we purchased curved wood from a company that made skate boards. On my own I have back cut plywood so it would bend easily and then glued a 1/4" piece over the back cuts...

Looks like your floor is part of the deck. Its a whole part molded just like the hull and then attached to the hull. As such it may not touch the stringers and be a free supporting floor built with...

First just check that when in neutral the throttle linkage is pushed lightly against the stop and the carb butterfly is closed. Before you start messing with carb settings and timing do the easy...

Couple little dings? Got a file?

Don't feel rookie, I spent a lot of time thinking and drawing schematics before I thought I had it figured out. Leave everything wired as it is and just pick one battery and connect the 9.9 both pos...

My son has an outdoor boiler that he uses to heat his 40 X 60 shed. It has water tubes in the concrete floor. Nice and clean, and has a propane boiler backup inside the building. He does burn a...

Not familiar with that engine. But if its a remote the power is on a purple colored wire. I suspect it would be the same for a tiller. The same wire that's used to power a tach. Not the tach...

Getting your SS prop rebuilt and running it to get the information you really need about performance makes the most sense. Then you can buy with a lot more confidence, and you won't lose any money...

If the batteries your talking about are only connected to the trolling motor I think you'll be fine. Just hook to either one> Where could a surge come from? Trolling motor will draw current, not...

Scrape it off and re-do. It will eventually cure but it might take 10 years. Don't paint catalyst on it, That might cure a millimeter on the top but the rest will not cure and you don't want raw...

First, you need to post what your prop size now is and what the engine and boat are doing. We need WOT engine rpm, speed, gps preferred, and current prop size in diameter and pitch. You'll find...

Tighten it down right away. Tip: If no rubber gloves or even with them. Dip your finger in some soapy water before you smooth the 5200 down. Makes it look nice and won't stick to your finger. ...

Fresh water, maybe not. Salt water absolutely!

Weld Wood Contact Glue. Get it at any Big Box Lumber Store. About $30/gallon.

they are over 25 years old. As long as your messing with them at all I would replace them. Gas is a bad thing to be leaking in a boat. Also they are not made to last forever and think about...

I think you need to clean all your connections to every battery including the charger and trolling motor and battery terminals. Then put the charger on and check the voltage at each battery. It...

Can we get some info about your current WOT rpm and boat weight, speed, etc. Even though the engine isn't quite up to par those current numbers would help. The pitches you are looking at are for...

You'll have to carry mixed gas for it. A nice 4 stroke could run off your exsisting fuel tank.

You could make your transom from multiple layers of 1708 or 2415 or any other composite layup. It would be very heavy and expensive but would last a good long time, longer than any wood cored layup.

Yes, that's the crown. Raised in the middle to make sure water can never stay on it for along time.

guess i'm buying a 40 amp breaker. thanks all

Yeah, I guess I knew that, just wanted to work with what I had and somehow combine two 20amp breakes to be electrically the same as one 40amp breaker. I know I can add resisters and capaciters in...

Duhhhhhhhhhh, yeah, sorry Don, its a merc, slapping myself for not including that little bit of important info.

Most bluewater swim platforms were not flat, they had a crown to them. The balsa blocks would conform to the crown and they were light weight. At bluewater we also used plywood blocks in several...

any two cycle oil rated TCW-III is fine you don't need to buy expensive oil, walmart is just fine. I use seafoam, and stabil marine sometimes, others use lots of stuff or nothing, your choice. I...

old 1979 1/2, 115 inline 6. external trim pump.

OK, some background: I restored a boat last winter and of course did a major rewiring. Everything new and protected with breakers.

I have found only one problem; when I try and trim the engine...

Are you asking about the glass to frame or the window frame to boat?

Yes, I agree. The key is not perfect but very close. When my key is on the engine is running almost all the time anyway. And its an easy hookup. The 12vdc that powers your other gauges is...

Pay attention to what woody means. I have built a lot of boats without any wood in the stringers. Have used foam, rope layed snakelike and glassed over for stiffness, cardboard and hollow made on a...

wrapped, and damp wood makes for very poor if any glass adhesion to the wood.

"waxed" gelcoat is not used on any gelcoat that is sprayed against a mold. (like boat parts). Only when applying to a surface exposed to air. And the "wax" is is just parrifin disolved in styrene...

Can you tell if those "walls" are foam filled? They may be there to hold floatation foam. If that is the case I'd replace them. Someone will tell you how to post pictures. I'm a computer dummy so...

Yeah, it only takes like a microsecond to blow something. Having said that I'm talking older motors like mine. Its possible that a new motor like yours might have some kind of internal protection...