Originally Posted by
rawdawgga
how long do these engines last? Are they easy to tune? which will you recomend for a jammin x1 crt(truggy)?
The 5 port turbo hands down

unless you want to go with the .25 or .28, but i like the .21 for sure, add a 053,086,1005 and you got a great set up there. The 5 ports tune awesome, you can run them a little fat on the bottom to help tame it down and still move out.