Carburetor Choice ? for my 1972 Correct C

I traded in my Holley and got a rebuilt one for $172 (just like new)at Carolina Carburetor in Wilmington, NC. I even switched Holley models. Carbs is all these guys do, and they have a flow bench where they run mineral spirits through the carb and can check it. And speaking of fuel consumption, there's a big difference between 5 people and 2 people riding in my '66 Mustang.

No, they used a couple different bowls. Take a look at this picture, it's for the Hly-0-80319-1.
http://www.holley.com/HiOctn/ProdLine/Products/Marine/FMS/FMSC/0-80319-1.html

If the picture is acurate then it won't work unless I make up a different fuel line or switch bowls.
Most likely the rear bowl would have to be removed and the float re-adjusted as well (for my application)

I thought Holley only used two different fuel line feeds. One single line that is to the side and at 45 degrees facing forward and the double dump version with the fittings pointed to the side and down at 45 degrees

summit numbers


HLY-0-80364 302 replacement carb 1985-2001

HLY-0-80319-1 351 replacement carb 1980-1997


Still way below 150 bucks less than the 600+

Again if you are lacking in knowledge and/or skill then you have to pay someone that has the skills and knowledge.


For me I would buy the universal 600cfm and save an additional 75-100 bucks and have the job done in twenty minutes.

I checked Summit racing and they do have some good carburator pricing, however those carburators are generic in nature and not OEM. I wouldn't buy one unless you really do your homework. Most PCM OEM carb have side hung floats vs center hung floats, which can present adjustability problems if your carb will be mounted at an angle like most older Ski Nautiques are. Fuel inlet location if it's not the same will also be a problem. And if you have Perfect Pass on your boat then it will also be important to make sure the throttle bracketry remains the same. Check with Correct Craft. There are some good guy's there that know what carbs (specific list numbers) work the best, and are simple bolt up installations. I'd rather be out on the lake than sitting in the garage bending fuel lines etc.

Hey, go buy yourself one you loser. Oh, and by the way your posts and join date give you away "70nautique". Your pretty dumb.

HLY-0-80551 $369.95

Summitt racing 4160 marine carb 600 cfm square bore. Do the research dickhead.

You think I'm out there?????????? You better check your pricing on Marine carburators. A new 4160 MARINE will run you 600.00 before you get it delivered to your doorstep.

So let us all know where your getting your new marine carburators for $400.00 tops Smarty. I'd like to see that. No "Street" junk please.

man some people are out there... 600 beans for a carb?????????????????????????????????? Well I guess If I needed a 850 or 1050 cfm racing carb OK


Most nautiques use 600 cfm's or less
which you can get for $400 tops new!!!!!!!

Now if your a big dog and know what you are doing and have a motor that need's to breath????????????? then you need a high end carb and a whole lot of other engine mod's to use it,

Otherwise sit on the porch and watch.


There's nothing better than a Nautique rip'n 60+ MPH on the moring glass.

Oops forgot to login.

I have a Holley 4160 vacuum secondary on my 87 S/N. I just rebulit it putting in a Holley trick kit. I couldn't find the specs for the carburator so I called Holley. Holley's response was that the specs were determined by the boat manufacturer. I talked with Correct Craft at White Lake. They informed me how to set the floats and which power valve to use. Most come with a #25 power valve but the #65 works the best per C/C. The 25 kicks in too soon and bogs the engine due to too much fuel. Also while the front float is set level while the bowl is inverted, the rear float level is set somewhat lower, and that helps eliminate some rich conditions due to the angle of the carburator on the intake manifold. I haven't run the boat yet to see how it was, but per C/C those were the exact adjustments I saw when I disassembled the carburator. So I only confimed the settings and put it back together with new parts and the proper power valve. I'm hoping for good response out of the hole with my 540 prop, and my past fuel consumption has always been good. The marine list number for the 4160 is 80265 for a Ford 351. C/C may be able to direct you further. And just for all reading this post, the carb overhaul procedure and carb theory listed in the PCM manual under resources is terrible, very vague, and down right confusing (because it's genaric in nature). Holley.com has an online store that offers a overhaul book specifically for the marine carburators covering modifications and adjustments. I highly recommend getting a Holley book (I read mine cover to cover) as a new Holley runs about $600.00 for the marine version. Money well spent to learn about, adjust, and recognize problems with your carb. Hope this helps. TJ

The power required to turn your prop increases at the cube of the change in RPM. Because of this, running at 80% of "wide open" RPMs will reduce fuel consumption (gallons per hour) by 50%. Running at 50% of "wide open" RPMs will reduce fuel consumption by 88%. There are a few other variables but the principle here holds true.

The moral: throttle back a bit and save a lot of fuel.

Knowing this, how do I operate my boat? Wide open!!!!! Hello gas station....

What about the jets. They might not be the stock size.

I've run both the Holley and the Edelbrock with vacum secondaries. The Edelbrock took a long time to set-up, but does have lower fuel consumption. However, without a 12 Deg wedge plate I couldn't tune the Edelbrock where the Holley worked just fine.

I spent a lot of time with both carburetors and basically went back to step one...bought a vacum gauge. Without knowing the vacum at idle and under load at higher rpm's I was lost and neither Holley or Edelbrock Tech Rep's could help until I told them the vacum readings. In my opinion, the step metering rod concept behind the Edelbrock/Carter/Weber design is a better mid range fuel consumption carb.

Your H&M engine may have a cam which has lower engine vacum and can cause a lot of grief for a new carb which could be your case now. Before you order that new carb, check vacum at idle and 2500 rpm and call into Edelbrock or Holley.

Hello Fellow Correct Crafters,

I have a 1972 Correct Craft with a 302 Hollman/Moody Engine. Everything is stock except the carburetor. It is a Holley 4 barrell, and it drinks gas.

I have used vacume secondary carbs on my trucks in the past in order to save fuel, but have not heard of anyone doing that on a boat.

Does anyone have experience with vacume secondary carbs on boats or other means by which I can lower the fuel consumption of my 302?

Any and all help would be greatly appreciated.
Thanks!

Barry
South Carolina