1968 Ford Mustang Fastback — anyone else: Tune transformed the car, but what should I log?

Owner notes beat generic advice here. On the 1968 Ford Mustang in Phoenix, I'd fix the thing you'll notice every day before chasing spec-sheet extras. Then you'll know the next fork. On “anyone else: tune transformed the car, but,” that was the fork that mattered for me. Not gospel, but it saved me a headache. Climate here is different, so treat that as a local data point. That's my plan before I call anyone.

I'd keep this practical. Verify the cheap/easy branch on the 1968 Ford Mustang before a big repair or a big spend. That's where I'd start. Do that first. I've seen both outcomes, which is why I'd test instead of assume. I'll update if anything new shows up.

Write down what you already tried. A second data point from another 1968 Ford Mustang owner helps more than a generic diagnosis. Then you'll know the next fork. Verbal 'we'll take care of it' is not a plan. If this is nothing, great. I want that in data.

I'd keep this practical. Verify the cheap/easy branch on the 1968 Ford Mustang before a big repair or a big spend. I'd do that before spending real money. This is from a 1968 Ford Mustang in Phoenix. Take it or leave it — that's what I'd do. Doing the boring step first on purpose.

Don't overfit one forum story to your car. If it still isn't clear on the 1968 Ford Mustang, a specialist hour can be cheaper than another round of parts. That's where I'd start. This is from a 1968 Ford Mustang in Phoenix. Stop there until you know. I'm in no rush to be a hero on it.

I'd keep this practical. Verify the cheap/easy branch on the 1968 Ford Mustang before a big repair or a big spend. Then you'll know the next fork. Have you gotten a second quote in writing? Your commute and mine probably aren't the same, but the test still applies. This is me being the wet blanket on purpose.