Nitro Scale Gas Tank Size

Tom Baffer Jr. · Nov 2, 2019

Building my first Nitro Scale hull and wanted to know how big to make the tanks.

I will be using 2 tanks, and I have a CMB .67 blue head.

And yes I like to go out early on the clock to set my timing. LOL

FloridaScaleBoater · Nov 2, 2019

Tom Baffer Jr. said:
Building my first Nitro Scale hull and wanted to know how big to make the tanks.

I will be using 2 tanks, and I have a CMB .67 blue head.

And yes I like to go out early on the clock to set my timing. LOL

View attachment 275696

22oz minimum, 24oz if you have the room.
Also if you have room, include a 2oz hopper/feed tank.

Hydro Junkie · Nov 2, 2019

I have to agree, no less than 20 ounces is going to be needed. I run a pair of 10 ounce tanks, run in series, in my boat and I'm just about empty after a heat with a full 3 minute mill

Tom Baffer Jr. · Nov 2, 2019

OK -thanks guys

scottmeyers · Nov 9, 2019

Yowza guys... I've run nitro scale for a heckuva long time and never run more than 16oz. Current setup in both my boats is a 12oz main tank with a 4oz sump. The only time the 12oz tank drains fully is if I have to run a penalty lap. Y'all gotta lean out a bit!

Bradley Maglinger · Nov 9, 2019

Full throttle Tommy Good looking boat. What are you gonna paint it up as?

FloridaScaleBoater · Nov 9, 2019

scottmeyers said:
Yowza guys... I've run nitro scale for a heckuva long time and never run more than 16oz. Current setup in both my boats is a 12oz main tank with a 4oz sump. The only time the 12oz tank drains fully is if I have to run a penalty lap. Y'all gotta lean out a bit!

What engine are you running?

Hydro Junkie · Nov 9, 2019

Scott, if I can get one of my new boats ready to go in time for the start of next season, I'll let you see what you can do as far as tuning. I am running 50%, if that makes a difference. Something you also have to remember is you're running "stealth" boats when you compare them to my Elam

Bradley Maglinger · Nov 9, 2019

I go out soon as the clock starts and I run 16 ounces with my CMB blue head

Samuel Hagan JR · Nov 9, 2019

Some guys use the extra fuel as balance weight. But I have always used at least 20 oz.

scottmeyers · Nov 9, 2019

I ran CMB 67's for years, even in a big, heavy Miss Exide two wing hull that pushed a ton of water at lower speeds during the milling period. That boat had two 8oz slant tanks.
For the past few seasons I've been running Novarossi 67's and as Mark mentioned, both boats I'm running now are very light, so admittedly they probably don't use as much fuel as heavier boats might.
Mark I ran 65% this past season, but I don't think there was any benefit over the 60% I'd run before so I'll switch back next year. And YES I'd be happy to help tune your ride!

Nitro Scale Gas Tank Size

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