1978 Firebird Engines
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Engine ID Stamping |
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| UPC Code |
Type |
Source |
Displacement (cubic Inches) |
Bore & Stroke |
Carb |
Comp |
HP/RPM |
Torque/RPM |
VIN |
Manual |
Auto |
Usage |
| LD5 |
V-6 |
Buick |
231 |
3.80 x 3.40 |
2 bbl |
8.0:1 |
105@3200 |
185@2000 |
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standard Base and Esprit |
| LG3 |
V-8 |
Chevrolet |
305 |
3.74 x 3.48 |
2 bbl |
8.4:1 |
145@2800* |
245@2400* |
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optional Base, Esprit. Standard Formula |
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135@3800** |
240@2000** |
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| LM1 |
V-8 |
Chevrolet |
350 |
4.00 x 3.48 |
4 bbl |
8.2:1 |
170@3800* |
280@1800* |
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optional Base, Esprit, and Formula |
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160@3800** |
260@2400** |
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| L78 |
V-8 |
Pontiac |
400 |
4.12 x 3.75 |
4 bbl |
7.7:1 |
180@3600 |
325@1600 |
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standard Trans Am, optional Formula |
| W72 |
V-8 |
Pontiac |
400 |
4.12 x 3.75 |
4 bbl |
8.1:1 |
220@4000 |
325@2800 |
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optional Formula and Trans Am |
| L80 |
V-8 |
Oldsmobile |
403 |
4.35 x 3.39 |
4 bbl |
7.9:1 |
185@3600 |
320@2000 |
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In California standard Trans Am and optional Formula. |
Examples shown on this page consist of scanned images or reproduction artwork that can not be faithfully reproduced on a computer screen. Illustrations are for example only. Consult with your vendors offerring reproduction
parts for their historical accuracy.