“InTheKnow” Pages Useful Charts
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Cubic Inch Chart
Measure Bore and Stroke |
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Bore |
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3.000 |
3.040 |
3.080 |
3.100 |
3.125 |
3.250 |
3.480 |
3.500 |
3.562 |
3.625 |
3.750 |
3.875 |
4.000 |
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4.000 |
302 |
306 |
310 |
312 |
314 |
327 |
350 |
352 |
358 |
364 |
377 |
390 |
402 |
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Stroke |
4.030 |
306 |
310 |
314 |
316 |
319 |
332 |
355 |
357 |
363 |
370 |
383 |
395 |
408 |
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4.060 |
311 |
315 |
319 |
321 |
324 |
337 |
360 |
362 |
369 |
375 |
388 |
401 |
414 |
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4.125 |
321 |
325 |
329 |
331 |
334 |
348 |
372 |
374 |
381 |
388 |
401 |
414 |
428 |
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4.155 |
325 |
330 |
334 |
336 |
339 |
353 |
377 |
380 |
386 |
393 |
407 |
420 |
434 |
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Small Block GM Specs |
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CI |
Year |
Bore |
Stroke |
Main Jnl |
Rod Jnl |
Main Cap |
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262 |
75-76
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3.671
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3.100
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2.450
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2.100
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2
bolt |
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265 |
55-56
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3.750
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3.000
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2.300
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2.000
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2
bolt |
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267 |
79-81
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3.500
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3.480
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2.450
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2.100
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2
bolt |
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283 |
57-67
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3.875
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3.000
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2.300
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2.000
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2
bolt |
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302 |
67
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4.000
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3.000
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2.300
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2.100
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2
bolt |
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302 |
68-69
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4.000
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3.000
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2.450
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2.000
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4.bolt
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305 |
76-91
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3.736
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3.480
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2.450
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2.100
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2
bolt |
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307 |
68-73
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3.875
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3.250
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2.450
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2.100
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2
bolt |
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327 |
62-67
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4.000
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3.250
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2.300
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2.100
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2
bolt |
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327 |
68-69
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4.000
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3.250
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2.450
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2.100
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2
bolt |
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350 |
67-91
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4.000
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4.380
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2.450
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2.100
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2&4
bolt |
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400 |
70-72
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4.125
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3.750
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2.650
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2.100
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4
bolt |
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400 |
73-80
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4.125
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3.750
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2.650
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2.100
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2
bolt |
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BBC Cubic Inch Chart |
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CI |
Bore |
Stroke |
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366 |
3.935 |
3.760 |
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396 |
4.094 |
3.760 |
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402 |
4.125 |
3.760 |
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427 |
4.250 |
3.760 |
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454 |
4.250 |
4.000 |
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502 |
4.447 |
4.000 |
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454 BBC Cubic Inch Chart |
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Bore |
Size |
Stroke |
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3.760 |
4.000 |
4.250 |
4.500 |
4.750 |
4.875 |
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Stock |
4.250 |
427 |
454 |
482 |
511 |
539 |
553 |
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+.030 |
4.280 |
433 |
460 |
489 |
518 |
547 |
561 |
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+.060 |
4.310 |
439 |
467 |
496 |
525 |
554 |
569 |
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+.090 |
4.340 |
445 |
473 |
503 |
533 |
562 |
577 |
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+.100 |
4.350 |
447 |
476 |
505 |
535 |
565 |
580 |
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+.125 |
4.375 |
452 |
481 |
511 |
541 |
571 |
586 |
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502 BBC Cubic Inch Chart |
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