Identifying Chevy engines
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*[[Chevy engine casting numbers]] | *[[Chevy engine casting numbers]] | ||
| − | ===Mortec=== | + | ==Mortec info== |
| + | ===Mortec SBC block casting numbers=== | ||
*Return to '''[[Identifying Chevy engines #SBC engine casting numbers|SBC engine casting numbers]] ''' above. | *Return to '''[[Identifying Chevy engines #SBC engine casting numbers|SBC engine casting numbers]] ''' above. | ||
*Return to [http://www.crankshaftcoalition.com/wiki/Swirl_port_SBC_heads#Resources '''Swirl port SBC heads/Resources'''] | *Return to [http://www.crankshaftcoalition.com/wiki/Swirl_port_SBC_heads#Resources '''Swirl port SBC heads/Resources'''] | ||
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400 main journal, splayed steel caps, wet sump, raised cam, | 400 main journal, splayed steel caps, wet sump, raised cam, | ||
2-piece rear seal, 9.300" deck | 2-piece rear seal, 9.300" deck | ||
| + | </pre> | ||
| − | + | ===Mortec SBC head casting numbers=== | |
| − | SMALL BLOCK HEAD CASTING NUMBERS: | + | <pre>SMALL BLOCK HEAD CASTING NUMBERS: |
330545.....73......350..........76cc chamber, 2.02”/1.60” | 330545.....73......350..........76cc chamber, 2.02”/1.60” | ||
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33417369...90-up...350..........Gen. 1 Goodwrench crate motor, | 33417369...90-up...350..........Gen. 1 Goodwrench crate motor, | ||
"Hecho en Mexico", 76cc chamber | "Hecho en Mexico", 76cc chamber | ||
| + | </pre> | ||
| − | + | ===Mortec BBC block casting numbers=== | |
| − | BIG BLOCK CHEVY BLOCK CASTING NUMBERS: | + | <pre>BIG BLOCK CHEVY BLOCK CASTING NUMBERS: |
NOTE: T = tall deck | NOTE: T = tall deck | ||
Oval includes both "peanut" (also called "round") ports and large oval ports | Oval includes both "peanut" (also called "round") ports and large oval ports | ||
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24502572.....................4-bolt, 4.5" bore Olds DRCE 2, 9.5" deck height | 24502572.....................4-bolt, 4.5" bore Olds DRCE 2, 9.5" deck height | ||
25534402.....................4-bolt, 4.590" bore Olds DRCE 3, 9.25" deck height | 25534402.....................4-bolt, 4.590" bore Olds DRCE 3, 9.25" deck height | ||
| + | </pre> | ||
| − | + | ===Mortec BBC head casting numbers=== | |
| − | BIG BLOCK CHEVY HEAD CASTING NUMBERS: | + | <pre>BIG BLOCK CHEVY HEAD CASTING NUMBERS: |
330864.....68-84...oval...OPEN...396, 402, 366T, 427T, 454 Truck | 330864.....68-84...oval...OPEN...396, 402, 366T, 427T, 454 Truck | ||
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25534404...04......rect..........Olds/Chevy, DRCE 3, Pro Stock, aluminum, | 25534404...04......rect..........Olds/Chevy, DRCE 3, Pro Stock, aluminum, | ||
for blocks with 4.900" bore spacing | for blocks with 4.900" bore spacing | ||
| + | </pre> | ||
| − | + | ===Other Mortec info=== | |
| − | CHEVY SMALL BLOCK CRANKSHAFT CASTING NUMBERS: | + | <pre>CHEVY SMALL BLOCK CRANKSHAFT CASTING NUMBERS: |
WITH 2-PIECE REAR MAIN OIL SEAL | WITH 2-PIECE REAR MAIN OIL SEAL | ||
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Gen. 1, "Large Journal" | Gen. 1, "Large Journal" | ||
400...Mains- 2.65", Rods- 2.10" | 400...Mains- 2.65", Rods- 2.10" | ||
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Non-production Gen. 1 combination using Gen. 1 400 crank in Gen. 1 350 block | Non-production Gen. 1 combination using Gen. 1 400 crank in Gen. 1 350 block | ||
383...400 crank, Mains cut to 2.45", Rods- 2.10" | 383...400 crank, Mains cut to 2.45", Rods- 2.10" | ||
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Non-production Gen. 1 combination, using Gen. 1 350 crank in Gen. 1 400 block | Non-production Gen. 1 combination, using Gen. 1 350 crank in Gen. 1 400 block | ||
377..."Spacer" or "thick" main bearings with 350 crank, Rods- 2.10" | 377..."Spacer" or "thick" main bearings with 350 crank, Rods- 2.10" | ||
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Gen. 2, "Medium Journal", includes "L-99" 265, "LT1" 350, "LT4" 350 | Gen. 2, "Medium Journal", includes "L-99" 265, "LT1" 350, "LT4" 350 | ||
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305...Mains- 2.45", Rods-2.10" | 305...Mains- 2.45", Rods-2.10" | ||
350...Mains-2.45", Rods-2.10" | 350...Mains-2.45", Rods-2.10" | ||
| − | |||
Non-production Gen. 2 combination, using Gen. 2 265 "L-99" crank in Gen. 2 350 block | Non-production Gen. 2 combination, using Gen. 2 265 "L-99" crank in Gen. 2 350 block | ||
302...Mains- 2.45", Rods- 2.10" | 302...Mains- 2.45", Rods- 2.10" | ||
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Gen. 3, includes '97-2005 "LS1" Corvette, Firebird, Camaro | Gen. 3, includes '97-2005 "LS1" Corvette, Firebird, Camaro | ||
345...Mains- 2.558", Rods- 2.10" | 345...Mains- 2.558", Rods- 2.10" | ||
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Corvette "ZR1", DOHC, "LT5" | Corvette "ZR1", DOHC, "LT5" | ||
350...Mains- 2.76", Rods- 2.10" | 350...Mains- 2.76", Rods- 2.10" | ||
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CHEVY BIG BLOCK CRANKSHAFT JOURNAL SIZES | CHEVY BIG BLOCK CRANKSHAFT JOURNAL SIZES | ||
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502 | 502 | ||
ALL Chevy big blocks used Mains- 2.7488"-2.7495", Rods- 2.20" | ALL Chevy big blocks used Mains- 2.7488"-2.7495", Rods- 2.20" | ||
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CHEVY W-ENGINE CRANKSHAFT JOURNAL SIZES | CHEVY W-ENGINE CRANKSHAFT JOURNAL SIZES | ||
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