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BASIC CRANKSHAFT SPECIFICATIONS: |
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BASIC CRANKSHAFT SPECIFICATIONS |
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CID |
BORE x STROKE |
MAIN |
ROD |
CID |
BORE x STROKE |
MAIN |
ROD |
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262 |
3.671 x 3.100 |
2.45 |
2.1 |
305e |
3.736 x 3.480 |
2.45 |
2.1 |
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265a |
3.750 x 3.000 |
2.30 |
2.0 |
305f |
3.740 x 3.480 |
2.45 |
2.1 |
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265b |
3.740 x 3.000 |
2.45 |
2.1 |
307 |
3.875 x 3.250 |
2.45 |
2.1 |
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267 |
3.500 x 3.480 |
2.45 |
2.1 |
327g |
4.001 x 3.250 |
2.30 |
2.0 |
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283 |
3.875 x 3.000 |
2.30 |
2.0 |
327h |
4.001 x 3.250 |
2.45 |
2.1 |
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302c |
4.001 x 3.000 |
2.30 |
2.0 |
350 |
4.001 x 3.480 |
2.45 |
2.1 |
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302d |
4.001 x 3.000 |
2.45 |
2.1 |
400 |
4.126 x 3.750 |
2.65 |
2.1 |
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NOTES: |
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(a) - The first small block, the "265" was built from 1955 through 1957. |
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(b) - In 1994 a "265" was introduced which had a long rod (5.940-inch) and large journals and a slight smaller bore. |
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(c) - The "302" which was introduced in 1967 used the small journal "283" crankshaft and the "327" block. |
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(d) - In 1968 the "302"used the "350" block with a large journal crankshaft. |
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(e)(f) - The "305" had a bore increase in 1985 of 0.004-inch. |
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(g) - The "327" which was introduced in 1962 used a small journal crankshaft. |
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(h) - In 1968 the "327" was upgraded with a large journal crankshaft. |
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