The best replacement for ecoboost is hemi.

The best alternatives to ecoboost are rated as following:
★★★★★  hemi
★★★★  6.2
★★★  5.0
★★★  tundra
★★  v8
★★  duramax
★★  ecodiesel
★★  raptor
★★  cummins
★★  v8 f150
★  5.4
★  5.3
★  5.0l
★  6.2l
★  5.0 fx4
★  powerstroke
  6.2 chevy
  5.0 towing
  chevy silverado
  5.0 v8
  toyota tundra
  v6
  silverado
  tundra 5.7
  econetic
  ecotec

Your alternative for ecoboost is not listed? Suggest!
Speaking about ecoboost, one probably shouldn't forget about 3.31.

Other search terms related to ecoboost and their ratings are:
★★★★★ 3.31
★★★ 3.73
★★ 3.55
★ plow
You have in mind a companion for ecoboost and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of ecoboost in all years. Click on graph for more.
ecoboost
hemi
6.2