To answer your question specifically, yes. VG will give you better vapor than a straight PG juice.
However, there are some trade offs to consider.
- obviously, if you add VG to an existing PG juice you will dilute flavor and nicotine level
- VG has a slightly sweeter taste than PG but it tends to dull flavors a little
- VG tends to provide a "dryer" vapor than PG
If you have an existing PG juice and want to experiment, see if your vendor has 100% VG juice
in same flavor and nic levels. Then you can try adding VG without diluting flavor or nic.
Otherwise, most vendors offer a choice in PG/VG ratios. A 20 to 30% VG level should provide
better vapor without dulling the original flavor to much.
Of course taste is subjective, and some flavors hold up better with VG than others.
A lot of members who like higher VG levels or maybe can't handle high PG because
of allergic reactions, will go to 40 or 50% VG and double the flavor. There are several
vendors, like Vapor Renu or Gourmet Vapor, that provide this option.