Are you running the stock radio? If so, maybe try upgrading to a radio with EXP (exponent) adjustment. You can dial in a shallow throttle curve to add a lot more trigger pull before the throttle starts to ramp up. Either that, or put a Furitek ESC in it with FOC technology for that silky smooth...
The one negative thing I can imagine about portals is the axles are usually pretty heavy, and you end up with a bit higher center of gravity using them, just to gain a bit of clearance. But from what I have seen in YT vids, the FCX performs great with them. But yeah, the portal gears are...
Yeah, the height is probably the spec that resembles scale the least in these trucks. Accomodations would likely be made during design to stretch and pull the bodies to clear electronics, mounts, etc. I generally go by wheelbase and track width, which I would imagine most RC designers start...
You are very likely correct on your calculations. The 1/25 car model kits you can buy from Revell and AMT are very close to their advertized scale size. And if you use those bodies on the SCX24, you can see they are a bit small for the chassis, but still close enough to look cool. If the Axial...