MOTEUR |
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© 2010 néo-formula400 |
400 V8 250 ch à 4400 tr / min, 325 lb-ft à 3200 tr / min. 455 V8 300 ch à 4000 tr / min, 415 lb-ft à 3200 tr / min. Performance: N/A Performance: N / A
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| 1972 Pontiac Firebird Trans Am 455 HO cid
|
Code du moteur |
YB, YE YB, YE |
RPO Moteur |
LS5 |
Déplacement |
455 CID 455 CID |
Alésage x course |
4.1522" x 4.121" 4.1522 "x 4,121" |
Taux de compression |
8.4:1 |
Puissance @ tr / min |
300@4000 300 @ 4000 |
Couple (lb / pi) @ tr / min |
415@3200 415 @ 3200 |
Head Casting |
7F6 |
|
4-bbl 4-BBL |
Carburateur - fédéral |
7042270 |
collecteur d'admission |
488945 |
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|
Partie # |
9779068 |
Lift, I/E |
.408 / .406 .408 / .406 |
Rocker Arm Ratio |
1.5:1 |
Durée I / E - Degrés |
288 / 302 288 / 302 |
Chevauchement - Degrés |
63 |
Intake Valve dia |
2.11" 2,11 " |
Soupape d'échappement |
1.77" 1,77 " |
Distributeur |
Engine codes |
Cylinders |
CID |
HP |
Comp. Ratio |
CARB |
TRANS |
CAA | 6 | 250 | 145 | 8.5:1 | 1 bbl | Manual |
CAB | 6 | 250 | 145 | 8.5:1 | 1 bbl | Auto |
WC | 8 | 455 | 335 | 8.4:1 | 4 bbl | Manual |
WJ | 8 | 455 | 325 | 8.2:1 | 4 bbl | Manual |
WK | 8 | 400 | 300 | 8.2:1 | 4 bbl | Manual |
WL | 8 | 455 | 335 | 8.4:1 | 4 bbl | Manual |
WN | 8 | 350 | 250 | 8.0:1 | 2 bbl | |
WP | 8 | 350 | 250 | 8.0:1 | 2 bbl | |
WR | 8 | 350 | 250 | 8.0:1 | 2 bbl | Manual |
WS | 6 | 400 | 265 | 8.2:1 | 2 bbl | Manual |
WT | 6 | 400 | 300 | 8.2:1 | 4 bbl | Manual |
WU | 8 | 350 | 250 | 8.0:1 | 2 bbl | Manual |
XR | 8 | 350 | 250 | 8.0:1 | 2 bbl | Auto |
XX | 8 | 400 | 265 | 8.2:1 | 2 bbl | Auto |
YC | 8 | 455 | 325 | 8.2:1 | 4 bbl | Auto |
YE | 8 | 455 | 335 | 8.4:1 | 4 bbl | Auto |
YN | 8 | 350 | 250 | 8.0:1 | 2 bbl | |
YP | 8 | 350 | 250 | 8.0:1 | 2 bbl | |
YS | 8 | 400 | 300 | 8.2:1 | 4 bbl | Auto |
YU | 8 | 350 | 250 | 8.0:1 | 2 bbl | Auto |
YX | 8 | 400 | 265 | 8.2:1 | 2 bbl |
Year | Color | Part # |
1959 - 1965 | Light Blue | |
1966 - 1970 | Light Blue Metallic | MS7957 |
1971 - 3/15/1973 | Light Blue | QP14580 |
3/15/1973 - 1974 | Dark Blue | |
1975 - 1977 (early) | Metallic Blue | QP2083 |
1977 - 1982 | GM Corparate Blue | 3688N |
1982+ | Black |
1972 Firebird & Trans Am Engine Options
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ENGINE
Model | Code | Type | Displacement | Carb | Compression | Net HP |
Base Firebird | D | 6-cyl | 250 cid | 1-V | 8.5:1 | 110 @ 4200 rpm |
Base Firebird | M | V-8 | 350 cid | 2-V | 8.0:1 | 160 @ 4400 rpm |
Espirt (std) | M | V-8 | 350 cid | 2-V | 8.0:1 | 160 @ 4400 rpm |
Espirt (opt) | N | V-8 | 350 cid | 2-V | 8.0:1 | 175 @ 4400 rpm |
Espirt (opt) | R | V-8 | 400 cid | 2-V | 8.2:1 | 175 @ 4000 rpm |
Formula (std) | M | V-8 | 350 cid | 2-V | 8.0:1 | 160 @ 4400 rpm |
Formula (opt) | N | V-8 | 350 cid | 2-V | 8.0:1 | 175 @ 4400 rpm |
Formula (opt) | T | V-8 | 400 cid | 4-V | 8.2:1 | 250 @ 4000 rpm |
Formula (opt) | X | V-8 | 455 cid | 4-V | 8.4:1 | 300 @ 4000 rpm |
Trans Am | X | V-8 | 455 cid | 4-V | 8.4:1 | 300 @ 4000 rpm |
Optional Engine | |
Engine Configuration | V |
Cylinders | 8 |
Engine | Dual Exhaust |
Aspiration/Induction | Normal |
Displacement | 400.00 CU IN. | 6556 cc. | 6.6 L. |
Horsepower | 250.00 HP (184 KW) @ 4000.00 RPM |
HP to Weight Ratio | 12.9 LB / HP |
HP / Liter | 37.9 BHP / Liter |
Compression Ratio | 8.2:1 |
Fuel Type | Gasoline - Petrol |
Fuel Feed | Carburetor |
4 carburetors |