Concours-grade restoration guides
Period-correct. Every fastener,
every finish.
All the documentation you need to bring an American-muscle car to judging grade — assembled in one canonical document per chassis so you stop chasing the answer across three forums, two rebuild threads, and a faded shop manual. The right torque lands the first time. The right fastener grade reads off the page.
Period-correct sources, in one document
What an owner-restorer used to chase, now in one place.
Every guide is researched from the period-correct sources a serious restorer would otherwise track down themselves — and structured so the right decision lands the first time, not after the part is on the truck.
PHS & broadcast sheets
Period-correct invoicing, dealer delivery sheets, and the RPO decoding that a Judge option, a Stage 1 cylinder head casting, or a J-code Hemi drop-in only verifies against — laid out at the page edge so the chain is auditable without leaving the document.
Date codes & casting numbers
Tabulated so the year-correct part is identifiable at the counter, not after the truck is already on the way back. Cross-referenced against the body stamp and the partial-VIN so the right call lands before the order closes.
Numbers-matching provenance
How a numbers-matching restoration holds together against each stamped surface, and where a build drifts apart from numbers-matching when a sourced part is the wrong model year. The honest reading the build needs before a single fastener turns.
Judging-grade prep
The judging-class scope, the surface the judges walk first, and where the first deduction lands on a concours build. So the finished car aims at the class its paperwork supports, not at a class the build cannot document.
How a guide is built
One canonical document,
written for the workbench.
Each guide starts in the field — a chassis photographed and documented at every fastener before teardown, every fender tag and trim tag decoded against the period-correct source, every casting number cross-referenced against the model-year database. The chapters that come out of that work are written for the restorer who has the build in front of them, not for the restorer who is reading on the couch.
The right torque lands in the right place. The right fastener grade reads off the page. The right call on whether to repaint or restore the original finish is already made — by the data, not by the forum. And the document is one PDF per build, so the answer is one click away instead of one search away.
Field-documented chassis
Photographed at teardown — every fastener, every stamp, every dataplate — so the document reads against the build, not against memory.
Period-correct sourcing
PHS invoices, GM build sheets, dealer delivery, partial-VIN stamping, Tri-Shield documentation trees — each guide uses the same sources an owner-restorer would call directly.
Workbench structure
Chapters in build order. Torque and fastener-grade tables on the page where they apply. Hyperlinked cross-references inside the PDF so a judge-prep chapter jumps to the trim-tag decode.
What past owners saved
The months behind each guide.
Every guide is also the record of the months the publisher spent chasing facts that don’t exist in any single public source — the build sheet pulled from PHS, the factory invoice that took a phone call to the original dealer, the W62 RPO decode that needed a 1969-only Pontiac service bulletin to confirm, the 1970-only Stage 1 cylinder head casting. You read one guide. Behind it is the months.
Which is the point — a concours owner-restorer shouldn’t lose three weekends to a forum thread when the answer is already in the period-correct record. The guide is the hours you don’t have to spend.
Concours catalog
Featured guides
Browse the live restoration guide roster — top picks from the editorial catalog. Each one is a single US-letter PDF, hyperlinked and printable, sized for desktop reading or a tablet in the garage.
Shelby › Eleanor
1967 Shelby GT500 Eleanor restoration guide.
Shelby-American VIN, GT500-style bodywork, Go-Baby-Go.
The Shelby-American-authenticated 2000-movie-spec Shelby GT500 Eleanor fastback built on the 1967 Ford Mustang SportsRoof chassis — Shelby-American published VIN range discrimination against the chassis Ford-side trim tag, Shelby-American-only fiberglass front and rear bodywork provisioning, and the Go-Baby-Go starter-solenoid wiring pattern as the 2000-movie spec empire.
Ford › Mustang › Boss 302
1969 Ford Mustang Boss 302 restoration guide.
Cleveland head C9OE, K-code VIN, SCCA Trans-Am launch.
The 1969-only launch-year Ford-side homologation-special Cleveland-style head C9OE-6015-B8 at 290 hp on the 1969-only K-code 302 VIN 5th-letter stamping — Mark Donohue Penske-prepared Boss 302 to the 1969 SCCA Manufacturer’s Championship, Ford-side Marti Reports Special Vehicle option-code decode chain, and the 1969-only Dearborne-only assembly plant.
Coming soon
The next guides in the press.
Marque-anchor guides in publication. Drop your email and we'll let you know the day each guide ships — one notification, no marketing.
Pontiac › firebird
1967-onward
Get notified the day this guide ships — one email, no marketing.
Pontiac › trans-am
1969-onward
Get notified the day this guide ships — one email, no marketing.
Pontiac › pontiac-gto
1964–1974
Get notified the day this guide ships — one email, no marketing.
Dodge › challenger
1970-onward
Get notified the day this guide ships — one email, no marketing.
Buick › gs-455
1970-onward
Get notified the day this guide ships — one email, no marketing.
Oldsmobile › 442
1964-onward
Get notified the day this guide ships — one email, no marketing.
Mercury › 429-scj
1969–1970
Get notified the day this guide ships — one email, no marketing.
Mercury › cyclone-spoiler
1970
Get notified the day this guide ships — one email, no marketing.
Live auctions
Lots on the block right now.
Concours-grade chassis up for sale in the live auction room — top bid and time-to-close on each lot, in one glance.
Get Started
A canonical document for each concours chassis.
Stop chasing the answer across the forums. One PDF per build, written for the workbench, sourced from the period-correct record.
Frequently asked
Frequently asked.
Nine questions the catalog editor fields most often — buying, delivery, accuracy, and what is actually published.
How do I buy a guide, and how is payment handled?
Each guide has a single fixed price in US dollars, listed on the detail page. Checkout is run through the platform's hosted billing surface — a secure redirect, not an embedded card form on this site — so the card details never touch RestorationEssentials. On completion you are returned to the guide detail page and the download unlocks in the same session. Full price and any per-guide details are on /guides/<slug>#buy.
What does the PDF look like and how fast does it arrive?
One canonical US-letter PDF per build, sized for desktop reading or a tablet in the garage. Hyperlinked cross-references inside the file so a judging-prep chapter jumps to the trim-tag decode in one click. Delivery is electronic and instant on completion of checkout — no email attachment, no waiting on a build queue.
How accurate are the restoration numbers and date codes, and what is the refund policy?
Every figure in a guide is sourced from period-correct documentation — Pontiac Historic Services invoices, GM build sheets, Galen Govier decoding, partial-VIN stamping, Tri-Shield trees — and cross-referenced against model-year databases so the year-correct part is identifiable at the counter. If you find a sourced fact materially out of register on your chassis, write in and the correction lands in the next revision. Because each PDF is the period-correct record itself — fetched, not mass-printed — RestorationEssentials does not offer refunds on completed orders; the editorial-accuracy commitment is the corresponding guarantee.
Which marques and year ranges are currently covered?
The live concours catalog concentrates on American muscle from 1953–1973, with marque hub pages for Pontiac (Firebird / Trans Am / GTO), Dodge (Challenger), Buick (GS 455), Oldsmobile (442), Mercury (429 SCJ / Cyclone Spoiler), Chevrolet (1963–1973 Corvette C2 / C3 era bundle, 1970 Chevelle SS 454) and adjacent marques at /manufacturers. New guides are announced via the catalog waitlist; each guide page states its exact chassis coverage and year range.
What does 'numbers-matching' actually mean?
A numbers-matching restoration authenticates the chain of stamped surfaces on the original chassis — engine block casting + date code, transmission, axle, body trim tag, partial-VIN stamping — as a single auditable chain. RestorationEssentials treats each stamped surface as a datapoint in that chain and shows, per guide, where the build has to read off the stamped surface for the chain to hold together and where a sourced part being the wrong model year breaks numbers-matching. Vocabulary matches the "Numbers-matching provenance" proof block already on the page.
Are these guides beginner-friendly, or do I need a prior restoration?
Yes. Each guide assumes the owner-restorer is doing the work and walks the chassis from teardown through reassembly — every chapter in build order, every torque and fastener-grade table on the page where it applies, every cross-reference hyperlink one click away. No prior restoration experience assumed. For the experienced restorer, the same document is the period-correct record you would otherwise chase across three forums and a faded shop manual.
Do you cover my exact chassis / year?
The live catalog concentrates on American muscle from 1953–1973, with marque hub pages for Pontiac, Dodge, Buick, Oldsmobile, Mercury, Chevrolet and adjacent marques at `/manufacturers`. Each guide page states its exact chassis coverage and year range — open the guide page to see the exact model years in scope, e.g. firebird/1967–1969, gto/1964–1973, corvette C2/C3/1963–1973. If a year you need isn't on a live guide yet, the marque notify/waitlist at the bottom of the page lets you drop an email and you'll be told the day the next guide in that range ships.
What exactly do I get for $29.95?
One canonical US-letter PDF per build. Each PDF is sourced from the period-correct record (Pontiac Historic Services invoices, GM build sheets, Galen Govier decoding, partial-VIN stamping, Tri-Shield trees), cross-referenced against model-year databases, structured chapter-by-chapter in build order with hyperlinked cross-references inside the file. Sized for desktop reading or a tablet in the garage. Delivered electronically and instantly on completion of checkout — the link lives on the guide detail page (`/guides/<slug>`) the moment your payment clears. Confirm the price at `src/lib/business/priceCatalog.ts:1211` (`SHARED_PRICE_USD = 29.95`) — if marketing copy and the priceCatalog ever drift the canonical source is the priceCatalog.
Do marque subscriptions auto-renew?
**No. There are no marque subscriptions on RestorationEssentials.** Every guide is a **one-time** purchase at a single US-dollar price — the $29.95 listed on each guide detail page. The marque notify/waitlist (`"Coming soon"` band + `/manufacturers/<marque>` waitlist islands) is a **free** email notification: it emails you the day a new guide in that marque ships. It does **not** bill anything, ever, and does **not** renew. If a marque catalog ever moves to a subscription, the change would be announced in product copy and surfaced at the buy CTA itself; today the model is per-guide, one-time, fixed.