I thought I'd add my two cents to this thread as I've pretty much gone down the route of what you're wanting to do - albeit I went for the last iteration of the game (with updated art for the current)
Mine has been almost a 4 year journey back in October 2017. This was a period when there wasn't really much information on the Chewlix and not many people had them as much as they do now.
The Chewlix might seem like the cheap option to begin with, but once all the costs are added up to get working the same as an original, you end up pretty close to the price of an original cab. That said, the initial outlay for an original cab is MUCH more than the initial outlay of a Chewlix (maybe not an L vs a chewlix, but for a diamond orange vs a chewlix orange) and I bought parts over those four years to offset that initial cost.
Mine originally started off as a console exclusive cab, but just within the last year, I've turned it into a fully functional JVS/FASTIO compatible cab after procuring parts relatively cheap from YAJ. I rewired everything to make them work with the Taito G harness which I also made myself (but again, parts for this aren't cheap and add up). Made a different harness to make it sega JVS I/O compatible and lastly I made the brook UFB have JST connectors so it's all pretty seamless - all I need to do is unplug to change to the correct connector. Whilst very time consuming to rewire two sets of cabs, it was also part of the "journey"
For me the ultimate goal was always to own an arcade version of "SF4" and I've now got that running on a TTX3 (technically still not 100% original as it ran on TTX2) but it's running on "original" hardware. With the newer games, it only makes sense for me to have a console on it due to the constant updates.
Would I go through it all again? Absolutely! Reason being is to get a Vewlix C here in AU, I would either have to get it directly from Japan or order from KC/Gamesaru et al and have it shipped over to AU. The price to do all that would be astronomical and really not financially feasible for me.
Does my "arcade experience" get diminished playing on a Chewlix versus a Vewlix? I don't think so, I'm still sitting on a 48cm stool.. I'm still hitting the buttons on an original vewlix c panel (and from what I've read, Raf's panels are just as good), the cab and frame, viewing distance/angle are all relatively close to each other (I've never seen a Vewlix IRL but I've been told by people that own both, the main difference is the thickness of the metal but everything else is relatively the same), I've still got my Nesicaxlive card reader changing colours when the game is loaded (no card unfortunately), I still load a token in to gain a credit and I'm still crap at playing games

. My experience, my family and friends' experience is still getting the same "arcade" feel.
Ultimately, we do what we do for the love of the arcade experience and the joy of playing the game. It's always nice to play on things the way the game was designed for, but in most cases, all those experiences come at a significant cost that may or may not be worth for a particular individual. For me, it's not worth having an original vewlix here in AU. If I was in the US and have access to the KC's and the Gamesaru's it might be a different story.
Good luck to the OP with the journey. I look forward to you build posts as parts come.