The 1968 Pontiac Firebird underwent few changes for its second year.
1968 Pontiac Firebird
The 1968 Pontiac Firebird underwent few changes for its second year. The changes Pontiac engineers did make included the loss of the side vent windows that where replaced by a one-piece side door glass window, and the exterior also gained fender marker lights. The interior was revised and the rear suspension was refined with the adoption of staggered shocks and the use of new multi-leaf rear springs. The big news again was under the hood as the standard 400 engine gained another 5 horse to make 330 while the Ram Air engine was rated at 335 hp. In mid year, it was replaced by the 340 hp Ram Air II. Newly available was a a 400 V8, named the HO (High Output) that was between the two other engines. It too was rated at 335 hp. On the other side of the engine line, the 230 I6 was replaced by a new 250 I6 and the 326 V8s were replaced by new 350 V8s. Performance was definitely the key at Pontiac.
1968 Pontiac Grand PrixProduction Numbers
Model Number
Body/Style Number
Body Type & Seating
Factory Price
Shipping Weight
Total Production
Grand Prix Series 266
223
37
2d Hardtop - 5P
$2,781
3,061 lbs
90,152
223
67
2d Convertible - 5P
$2,996
3,346 lbs
16,960
1968 Firebird Engine Options
250 six rated at 175 hp.
250 six rated at 215hp.
350 V8 with 320 hp.
400 V8 rated at 330 hp.
400 V8 Ram Air Ram Air engine was rated at 335 hp. "This option had a cost of just over $600 the base cost!"
Note: This motor was later replaced in the year by the Ram Air II 340 hp.
NOTES: The first letter of a two-letter paint code identifies the body color. The second letter identifies the roof color. (For example, the combination 10-50 on a Pontiac would indicate the body finished in Starlight Black and the roof area in Cameo Ivory.) General Motors paint code plate for all models except Corvair and Corvette is located under the hood at the top of the firewall on the left or right of the upper shroud. Corvair paint code plate is on the left cross-rail in the engine compartment. Corvette paint code plate is on the instrument panel brace, below the glove compartment.
Paint Codes - Interior Colors
Color Name / Code
Color Image
Color Name / Code
Color Image
Medium Gold
Lucite® Code - 9594L (semi-gloss)
Dark Blue Metallic
Lucite® Code - 9586LH (semi-gloss)
Lucite® Code - 9578LH (flat)
NOTE: Unpolished LUCITE® will generally produce a gloss comparable to original interior semi-gloss finishes. If lower gloss is required, use 1/2 oz. DuPont #4528S flattening compound to a pint of unreduced color.
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