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1969 Ford Mustang Boss 302 restoration guide.
C9OE Cleveland head, 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 / Ford Maintenance Plan option-code decode chain, and the 1969-only Dearborne-only assembly plant on the 1969 Boss 302 door data plate.
1969 Ford Mustang Boss 302 Restoration Guide (1969) — launch-year Cleveland 302 / K-code VIN / SCCA Trans-Am — preview & buy
About this guide
Step-by-step procedures for the 1969 Ford Mustang Boss 302 restoration -- the 1969-only launch-year homologation-special Cleveland-style head C9OE-6015-B8 at 290 hp on the 1969-only K-code 302 VIN 5th-letter stamping (NOT a 1970-onward D0OE-6015-DA / D0OE-6015-A casting carryover, NOT a 1971-only Boss 351 Cleveland 330 hp fitment, NOT a Boss 429 Semi-hemi Kar-Kraft rail-mounted engine bay mount); the 1969-only Cleveland-style head (the 1969-only carry-over of the Boss 302 Cleveland head design that Ford used through the 1970-onward Boss 302 carryover); the 1969-only 290 hp Cleveland-cycle output parity preserved at the C9OE / D0OE casting discriminator (a 1969 Boss 302 chassis at 290 hp on a D0OE casting reads as mis-restored at the cylinder-head cross-check); the 1969-only 10.0:1 compression ratio vs the 1970-onward 10.5:1 compression ratio carry-over; the 1969-only C9OE-9425-A intake manifold casting vs the 1970-onward D0OE-9425-A intake carryover; the 1969 SCCA Trans-Am launch with Mark Donohue Penske-prepared Boss 302 to the 1969 SCCA Manufacturer's Championship -- the homologation-special basis the Boss 302 platform was authorised on; the ~1,628 1970-onward Boss 302 production continuation confirms carried-forward design intent from the 1969 launch; the Ford-side 1969-only Marti Reports Special Vehicle / Ford Maintenance Plan option-code decode chain (NOT the Plymouth-side Broadcast Sheet decode on the 1970 Hemi 'Cuda, NOT the GM-side Trim Tag decode on the F-body Camaro Z/28); the 1969-only K-code VIN 5th-letter stamping authentication vs the 1970-onward S-code 302 Cleveland stamping on the same door data plate partial-VIN stamp; the 1969-only auto-pulse hood-stripe with die-cut stencil silhouettes vs the 1970-onward revised boss 302 hood-stripe stencil offset authentication chain; the 1969-only Dearborne-only assembly plant on the 1969 Boss 302 door data plate vs the 1970-onward Dearborne-only / Metuchen build-suffix B / San Jose build-suffix S expansion; the 1969-only NASCAR / SCCA-spec rear exit quad-tip exhaust-mandrel bend authentication chain vs the 1970-onward revised boss 302 exhaust system; Ford 9-inch N-code 3.50 standard-fitment rear axle authentication on the 1969 Boss 302 vs the 1970-onward N-code 3.91 Traction-Lok upgraded 9-inch rear axle authentication chain; the 1969-only Grabber Blue / Acapulco Blue / Wimbledon White / Raven Black / Calypso Coral / Pastel Blue color carryover decoded against the 1969-only Marti Reports option-code; the 1969-onward shaker scoop with 1969-only soft-pivot cast-hinge pattern authentication vs the 1970-onward stiffer hood-hinge pivot carryover; and the Boss family SCCA Trans-Am homologation block on the 1969 Boss 302 290 hp.
Includes torque charts, 1969-only C9OE Cleveland head casting appendix, K-code VIN decode appendix, 1969-only intake-manifold C9OE casting appendix, SCCA Trans-Am homologation appendix, Ford 9-inch rear axle 3.50 / 3.91 authentication appendix, and 1969-only Marti Reports Special Vehicle / Ford Maintenance Plan decode appendix.
Free Cleveland head C9OE casting sample, K-code VIN decode sample, 1969-only intake-manifold C9OE casting sample, and the 1969 SCCA Trans-Am draft sample pages.
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Step-by-step procedures for the 1969 Ford Mustang Boss 302 restoration -- the 1969-only launch-year homologation-special Cleveland-style head C9OE-6015-B8 at 290 hp on the 1969-only K-code 302 VIN 5th-letter stamping (NOT a 1970-onward D0OE-6015-DA / D0OE-6015-A casting carryo... Free sample pages and the full guide in a single PDF, optimized for desktop reading and a tablet in the garage.
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The complete 1969 Ford Mustang Boss 302 Restoration Guide (1969) — launch-year Cleveland 302 / K-code VIN / SCCA Trans-Am is a one-time $29.00 purchase. Payment is handled through Stripe; the download link arrives by email immediately after purchase. No subscription, no upsells.
A single PDF, optimized for both desktop reading and a tablet in the garage. Pages are US-letter-sized, hyperlinked, and printable. The torque appendix is bookmarked so you can jump to a fastener reference in seconds.
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Spec & history — the 1969 Ford Mustang Boss 302
The 1969-only launch-year Cleveland-style head at 290 hp on the K-code 302 VIN.
The 1969 Ford Mustang Boss 302 is 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 — one of three Boss-family engines Ford side ran between 1969 and 1971 alongside the 1970-onward Boss 302 carryover and the 1971-only Boss 351 Cleveland at 330 hp. The chassis is identical at the 1969-onward Ford intermediate unibody to every other 1969-onward Mustang SportsRoof fastback; the K-code VIN 5th-letter stamping is the discriminator. What authenticates the 1969 Boss 302 is the C9OE-6015-B8 Cleveland-style head casting (the 1969-only carry-over of the Boss 302 Cleveland head design that Ford side ran through the 1970-onward Boss 302 carryover — NOT a 1970-onward D0OE-6015-DA / D0OE-6015-A casting carryover, NOT a 1971-only Boss 351 Cleveland D1OE head, NOT a Boss 429 Semi-hemi Kar-Kraft rail-mounted engine bay mount fitment), the K-code VIN 5th-letter stamping on the door data plate partial-VIN stamp (NOT a 1970-onward S-code 302 Cleveland stamping), and the 1969 SCCA Trans-Am launch window with Mark Donohue’s Penske-prepared Boss 302 to the 1969 SCCA Manufacturer’s Championship. Reading a base Mustang SportsRoof chassis with a Cleveland 302 engine cosmetically fitted does NOT authenticate a 1969 Boss 302 — the K-code VIN 5th-letter stamping is the discriminator, NOT the rocker-arm cover decal.
The C9OE-9425-A intake manifold casting is the 1969-only launch-year homologation intake on the Boss 302 Cleveland-style head — the 1969-only C9OE-prefix intake casting that Ford side carries over as the 1970-onward D0OE-9425-A at the intake-manifold cross-check. The 1969-only 10.0:1 compression ratio (the launch-year Cleveland head design’s compression carry-over) sits against the 1970-onward 10.5:1 compression ratio. The 1969-only Cleveland-style head was the design precursor Ford side carried forward into the 1970-onward D0OE-6015-DA / D0OE-6015-A casting run on the Boss 302 carryover. Cross-check the C9OE-6015-B8 cylinder-head casting, the K-code VIN 5th-letter stamping, the C9OE-9425-A intake manifold casting, and the 1969-only 10.0:1 compression ratio — not the fender badge and not the hood-stripe stencil silhouettes alone.
The 1969 SCCA Trans-Am launch window is the homologation-special basis the Boss 302 platform was authorised on. Mark Donohue’s Penske-prepared Boss 302 raced the 1969 SCCA Trans-Am Manufacturer’s Championship in 1969; Ford side authorised the Boss 302 Cleveland-style head at 290 hp as the homologation-special engine on the 1969-onward Ford intermediate unibody. The ~1,628 1970-onward SportsRoof-fastback-dominated Boss 302 production continuation (the 1970-onward Cleveland 302 Boss 302 carryover run is documented at ~85% SportsRoof fastback) confirms carried-forward design intent from the 1969 launch — the 1969-only Cleveland-style head design is the homologation-side engine the 1970-onward carryover continues. A 1970-onward D0OE-6015-DA / D0OE-6015-A casting on a 1969 K-code VIN chassis reads as mis-restored at the cylinder-head cross-check; a 1969 C9OE-6015-B8 casting on a 1970-onward S-code VIN chassis reads as mis-restored at the door data plate partial-VIN stamp.
The Ford-side Marti Reports Special Vehicle / Ford Maintenance Plan option-code decode chain is the 1969-onward authentication-ground document for the Boss 302 Cleveland 302 — the Ford-side Marti Reports option-code sheet on the 1969-onward Cleveland 302 Boss authentication (NOT the Plymouth-side Broadcast Sheet decode on the 1970 Hemi ’Cuda, NOT the GM-style Trim Tag decode used on the 1967-onward F-body Camaro Z/28, NOT the Mopar-side fender-tag decode on the 1969 Dodge Charger R/T). The Dearborne-only assembly plant is the 1969-only Dearborne-only constraint on the 1969 Boss 302 door data plate — the 1970-onward Boss 302 expands to Dearborne-only / Metuchen build-suffix B / San Jose build-suffix S at the door data plate discriminator, distinct from the 1969-only Dearborne-only single-plant constraint. The 1969-only shaker-scoop soft-pivot cast-hinge pattern (the 1969-only launching carry-over of the Boss 302 shaker-scoop hood stamping) is distinct from the 1970-onward stiffer hood-hinge pivot and the 1970-only plenum-seal dome revision at the hood stamping cross-check. Ford 9-inch N-code 3.50 standard-fitment rear axle authentication on the 1969 Boss 302 sits against the 1970-onward N-code 3.91 Traction-Lok upgraded 9-inch rear axle authentication chain. The 1969-only Grabber Blue / Acapulco Blue / Wimbledon White / Raven Black / Calypso Coral / Pastel Blue color carryover decoded against the 1969-only Marti Reports option-code sits against the 1970-onward Calypso Coral / Grabber Orange / Grabber Green color carryover upgrade. Cross-check the C9OE-6015-B8 Cleveland-style head casting, the K-code 302 VIN 5th-letter stamping, the C9OE-9425-A intake manifold casting, the Dearborne-only assembly plant discriminator, and the Ford-side Marti Reports Special Vehicle / Ford Maintenance Plan option-code sheet — not the casting pattern and not the fender badge alone.
Adjacent Ford & Mustang guides
Other Ford Mustang SportsRoof & 1969 Boss-family guides on the launch-year track.
- Open the 1967 Ford Mustang SportsRoof chassis guide →
- Open the 1969–1971 Ford Mustang Boss 302 / 351 / 429 era-bundle guide →
- Open the 1970 Ford Mustang Boss 302 Cleveland carryover guide →
- Open the 1967 Shelby GT500 Eleanor sister Shelby restoration guide →
- Open the 1969 Ford Mustang Fastback frame-off bundle →
- Open the 1969 Chevrolet Camaro Z/28 GM-muscle sister guide →
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Drivetrain & engine family, body & sheetmetal, suspension-chassis-electrical, and numbers-matching provenance grouped under one 1969 Mustang Fastback authentication chain.
Combined $89.95 · list $119.80 · save $29.85
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