A garage
service manual
for the MK3 Supra.
Twenty-five years of tech tips, factory service procedures, parts diagrams, and electrical schematics for the 1986–1992 Toyota Supra (A70). Mirrored, re-typeset, and built to read on a phone with greasy hands.
Tech Tips
Hands-on procedures from twenty-five years of MK3 ownership: head gasket FAQs, brake bleeding, oil analysis, timing.
02Library / TSRM
The factory Toyota Service Repair Manual for the MK3 Supra, scanned and digitised page by page.
03Library / EPC
Electronic Parts Catalog — exploded diagrams, part numbers, and assembly group listings.
04Library / TEWD
Toyota Electrical Wiring Diagrams. The schematic source of truth for chasing down every gremlin.
05Reference
Gasket digital library, Toyota technical articles, and the Physics of Racing series.
06Gallery & Mods
The owner's own car: modification write-ups for engine, exhaust, suspension and interior, plus the photo set.