Morgan Carbtune - CT

[Guest]

So I am getting my carbs rebuilt by one of our qualified site members and will need to vacuum sync the carbs once they are returned and bench synced.

I am about to buy a Morgan carb and colortune for myself, however prior to doing so for this one time use I thought it would be prudent to ask if anyone has a carbtune in the Connecticut area and would be interested in helping me vac sync my carbs.

Thanks

[chef1366]

In my opinion the colortune is a waste of money.
Better to set the idle mixture screws by ear. I'll have them close.
With a remote tank and at idle with a fan blowing on the headers tighten each idle mixture screw until the rpms start to drop and then back it out just until the motor smooths out.
The Vacuum sync tool is worth it!

[Caseyuconn]

Ill bite the bullet and buy a carbtune. Maybe I can tune my lawn mower after my bike...
Thanks for the input on the colortune I was almost sold on it. Ill order the carbtune and carb tool.

[BassCliff]

Hi,

I have a Colortune but I've never used it. (I got a deal on a NOS unit.) I always use the "highest idle" method. You'll find vacuum balancing procedures on my site and on Mr. bwringer's site. The Morgan Carbtune is definitely worth the money.


Thank you for your indulgence,

BassCliff

[Steve]

In my opinion the colortune is a waste of money.
Better to set the idle mixture screws by ear.

I will at least partly agree with the honorable Chef.

I have used the Colortune on a set of VM carbs and found that it worked GREAT.
Then I used it on two sets of BS carbs and was rather disappointed.
Others have found the same results, where there is no color change with the BS carbs.

As far as setting mixture by ear, ... works great, if you have a trained ear.
I have set idle mixtures 'by ear' many times, and it's not always easy.
I have found a newer method that I will be documenting and submitting to BassCliff's library some time soon.

By the way, the Carbtune (or the Colortune) are not "one time use" items.
You will need to check both of them any time you adjust the valves, which is scheduled for every 3000 miles.

.