350 HO for 1969
Short answer: From the 1969 Firebird Pontiac Engine Production Logs:
| Code | Trans | Count |
|---|---|---|
| WN | manual | 2,455 |
| XC | auto | 2,670 |
| YR | auto (early-prod type?) | 2 |
That’s 5,127 total 350 H.O. engines — so not many originals likely survive. By comparison, 56,052 standard 350 engines were built:
| Code | Count |
|---|---|
| XB (auto) | 11,673 |
| YE (auto) | 35,915 |
The two auto codes reflect different transmissions (M-31, M-38). Total 1969 Firebird production was 87,011. Caveat: these are engine log totals — usually more engines were built than cars, so treat them as engine counts, not confirmed vehicle totals.
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Content last modified: June 13, 2026 at 10:06 am
← Frequently Asked Questions
I have a 1969 Pontiac Firebird 350 HO w/ the WN code for 4 speed. This is a convertible. that I know only 112 were ever built. My question is most were Automatics what I can’t find is how many of the 112 were 4 speeds.