I saw Matt's Yazaki Vacuum gauges on previous posts and it actually motivated me to find one on Facebook Marketplace in the U.K. of all places. Eventually convinced the guy to ship it to me. I didn't like the style of the others on the market, and didn't need precise accuracy, more just a general idea of what the engine was doing. I already have a temperature gauge next to the A/C, so I found a pod on Amazon and trimmed it to kind of fit as an A-pillar pod. Hoping for a better long term solution.
For the FJ62 people, I highlighted in green the route I took, I added a T-fitting ($2 at auto zone circled in blue) and refashioned some of the silicone tubing I already had. It runs directly through the firewall to the gauge right there.
The gauge has definitely helped me be more conscious of my driving habits to maximize MPG.
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