I started out using IKV gold 510s because they were better than anything I'd tried elsewhere. Then I got some of the IKV Mega LR 510s and they were even better. Then I tried the Clear SC betas and they hit as strong as the Mega LR but with the strong flavor of the Fusions. The past couple months I've been using the newer Clear XLRs and love the hit and flavor, just not a fan of the clear tube, so I put them in Mega LR tubes. The problem isn't that anything isn't good, it's just that Ike keeps making things even better. And even his least good ones still out perform the best I've tried from other places.
Also, the internals on the Clears are set up differently than the Megas. The Clears have a vertical coil located closer to the
threading. The Megas have a horizontal coil about half way up the tube.
So for me the ideal carto for my
juice/PV set up right now is the 1.6 Clear internals on a slightly shortened Mega tube with the black covering removed. Okay, so I'm a little picky, but at least I'm able to set it up this way for now, lol.