Planning tools
Size the system and see the tradeoffs before buying.
Real test paths when the car fights back. Practical help when the build gets complicated. A real garage community when it finally fires.
Free Worksheet
The 10-Minute Proof Check Worksheet Stop throwing money at guesses. Find out what you actually know before spending another dollar. One-page, fillable, printable worksheet. Define the problem, track what changed, separate fact from assumption — prove your next move before spending money.
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Good parts can still make a bad combination. Use planning tools and straight explanations to catch the mismatch before it costs another weekend.
A no-crank that wasn't the battery: Voltage drop across the positive cable measured 1.2V under load — the cable looked fine but couldn't carry current. 10-minute test, $0 in parts, found the real cause before buying a battery that wasn't needed.
Start with what the car is doing—not the part you think failed. A guided test sequence narrows the field and tells you what each result actually proves.
A home for the builds that never quite end, the hard-earned fixes, the first fire-ups and the people keeping American car culture alive.
Pull up a chairNo magic-box promises. No shame for what you don’t know. Just evidence, clear language and respect for the person doing the work.