The best replacement for f20b is h22a.

The best alternatives to f20b are rated as following:
★★★★★  h22a
★★★  h23a
★★★  b18c
★★  h22
★★  b20
★★  h23 vtec
★  h22a4
★  f20c
★  f23
★  f22b
  h23a vtec
  h23
  k20a
  h22 type s
  b20b
  b18c5

Your alternative for f20b is not listed? Suggest!
Speaking about f20b, one probably shouldn't forget about f2b.

Other search terms related to f20b and their ratings are:
★★★★★ f2b
You have in mind a companion for f20b and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of f20b in all years. Click on graph for more.
f20b
h22a
h23a