If you're planning to install the Garmin G5, I would suggest also installing the flush mount kit from SteinAir.
https://www.steinair.com/product/g5-flush-mount-bracket-dual/
Unfortunately, the Wheel Inn Restaurant closed down back in 2013.
http://www.roadsidepeek.com/roadusa/southwest/california/socal/socaleats/socaldiner/wheelinn/index.htm
Well, the airport near me is closing down. Thanks politicians.:incazzato:
https://www.msn.com/en-us/news/us/banning-municipal-airport-receives-federal-ok-to-close/ar-BB1msvtE?ocid=BingNewsSerp
It might be a little pricey at $200. It is much cheaper than paying for a funeral.
https://sensorcon-sensing-products-by-molex.myshopify.com/products/av8-inspector-pro-av8-co-03-carbon-monoxide-monitor-for-aviation?variant=39342772125766
Trade-A-Plane has a Zenith 801 for sale.
https://www.trade-a-plane.com/search?category_level1=Single+Engine+Piston&make=ZENAIR%2FZENITH&model=STOL+CH801&listing_id=2430338&s-type=aircraft
Val Avionics has a good write-up on installing Non-TSO equipment into certified aircraft.
https://www.valavionics.com/installation-in-type-certificated-aircraft.html
You dont mention if you have your medical or not. If not, most will say to go in for a consultation first. You don't want any surprises.
Go to YouTube, look up "Fly with Trent". He did what you are thinking of doing.
Also, look up "Pilot Kaity" she went from Zero to ATP for under $35K.
Best...