DBS, you're welcome to come over any weekend.
I actually have a brand new, unsused AC Delco Gold battery in my garage even!
If you choose to buy one... any Oreilly/Advance/AutoZone are also sufficient.
We can also see if any rubbing on the harness.
My car ALWAYS started perfectly... even when the battery was 'low'... It's the load/demand these cars put on them!
Message me if you'd like help swapping, I'm in Chandler.
Cheers,
Super Dave
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2022 SS 1LE - Vivid Orange - SCCA CAM-C & Optima Ultimate Street Car GT
Katech, MSD, QA1, Hurst, Anderson Composites, ProParts USA Custom Suspension, Auto Addict USA, Forgeline Wheels, G-Loc Brakes, Nine Lives Racing, MTX Audio, Penske Rapid Repair, RacingBrake