I agree with absolutely everything you've said except for this:
Originally Posted by Phatron
If you wanna put things on a level playing field then it should be 47 lb/min 20gxtr vs 68HTA.....
thats like comparing a donkey with a saddle on it to a race horse. lol
the 20gxtr comes with a minimum of the 7cm housing, and its a TD06 turbo.
the hta68 is a TDO5.
not a fair comparison.
anyways the 18g-xt is gonna give you that better flow up top, and thats what you were asking- which has better top end. answer is simple!