Good carb cleaner for 94s

What you guys useing to clean carbs. I have 4 Holley 94s I want to tear down and redo.

 

Hello , I find that BERKEBILE 2+2® GUM CUTTER is the best for Oil ,Varnish and fuel related gums. If your carbs have a White Powdery corrosion in the bowls .... Soak Items submerged in Apple Cider Vinegar for 1/2 hour at a time until white bubbles away.

 

B12 Chemtool,best stuff I have ever used,its so nasty and toxic I cant belive they still sell it here in Cali,but they do...removed 30 year old goo and varnish fast as me eating Rocky Road ice gream

 

They are just chemicals that vary in effectiveness and health risk. this might help you make a decision:
http://www.pca.state.mn.us/waste/pubs/4_10.pdf

 

Another Chemtool user. It works great.

 

Thanks guys a big help. The vinigar is eco friendly too.