Hey i was just wondering i just bought this pro lightning 2 for 400 dollars and it came with 3 engines can you tell me which one is the best? her they are

Cipolla FZR .21 racing engine (used 2 gallons)

Picco/Omega .21 Super Comp Buggy Engine (used 5 gallons, new bearings)

GS .21 engine with .26 head for extra cooling (used 7 gallons, great back up engine)

and i am new to this
but can i take the .26 cooling head and fit it on these motors

it was a real good buy here was the link take a look and maybe some feedback if u want

http://cgi.ebay.com/ws/eBayISAPI.dll...tem=5966548311