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Chevy Bore & Stroke Combos

 
tuffnuff
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Posts: 7841
Joined: 12/09
Posted: 12/12/12 08:44 AM

CHEVY V-8 BORE AND STROKE LIST


CHEVY SMALLBLOCK V-8 BORE AND STROKE LIST


262 = 3.671" x 3.10" (5.7" rod)
265 = 3.750" x 3.00" ('55-'57 Gen.I 5.7" rod,
'94-'96 Gen.II 4.3 liter V-8 "L99" 5.94" rod)
267 = 3.500" x 3.48" (5.7" rod)
283 = 3.875" x 3.00" (5.7" rod)
293 = 3.780" x 3.27" ('99-later "LR4" 4.8 Liter Vortec)
302 = 4.000" x 3.00" (5.7" rod)
305 = 3.740" x 3.48" (5.7" rod)
307 = 3.875" x 3.25" (5.7" rod)
325 = 3.780" x 3.62" ('99-later "LM7" 5.3 Liter Vortec)
327 = 4.000" x 3.25" (5.7" rod)
350 = 4.000" x 3.48" (5.7" rod)
350 = 4.000" x 3.48" ('96-'00 Vortec, 5.7" rod)
350 = 3.900" x 3.66" ('89-'95 "LT5" in "ZR1" Corvette 32-valve DOHC)
(5.74" rod)
350 = 3.900" x 3.62" ('97-later Gen.III "LS1")(6.098" rod)
(actually totals 346 cubic inches)
364 = 4.000" x 3.62" ('99-later "LQ4" 6.0 Liter Vortec)
383 = 4.000" x 3.80" ('00 "HT 383" Gen.I truck crate motor) (5.7" rod)
400 = 4.125" x 3.75" (5.565" rod)

Two common, non-factory, smallblock combinations:


377 = 4.155" x 3.48" (5.7" or 6.00" rod)
400 block and a 350 crank with "spacer" main bearings
383 = 4.030" x 3.76" (5.565" or 5.7" or 6.0" rod)
350 block and a 400 crank, main bearing crank journals
cut to 350 size



CHEVY BIG BLOCK V-8 BORE AND STROKE


366T = 3.935" x 3.76"
396 = 4.096" x 3.76"
402 = 4.125" x 3.76"
427 = 4.250" x 3.76"
427T = 4.250" x 3.76"
454 = 4.250" x 4.00"
502 = 4.466" x 4.00"

T = Tall Deck


ALL production big blocks use a 6.135" length rod.



CHEVY 348-409 V-8 BORE AND STROKE

348 = 4.125" x 3.25" (6.135" rod)
409 = 4.312" x 3.50" (6.0" rod)
427 = 4.312" x 3.65" (6.135" rod) 1963 "Z11" SHP drag race





LIST OF ALL POSSIBLE BORE/STROKE COMBINATOINS


STROKE 3.000        3.125        3.250        3.375        3.480        3.500        3.562        3.625        3.750        3.875        4.000        4.125        4.250        4.375        4.500        4.5625        4.625     4.750

BORE BORE
3.8750 283.038525 294.8317969 306.6250688 318.4183406 328.324689 330.2116125 336.0610754 342.0048844 353.7981563 365.5914281 377.3847 389.1779719 400.9712438 412.7645156 424.5577875 430.4544234 436.3510594 448.1443313 3.8750
3.9375 292.2424313 304.4191992 316.5959672 328.7727352 339.0012203 340.9495031 346.98918 353.1262711 365.3030391 377.479807 389.656575 401.833343 414.0101109 426.1868789 438.3636469 444.4520309 450.5404148 462.7171828 3.9375
4.0000 301.5936 314.16        326.7264 339.2928 349.848576 351.8592 358.0921344 364.4256 376.992        389.5584 402.1248 414.6912 427.2576 439.824        452.3904 458.6736 464.9568 477.5232 4.0000
4.0300 306.1344686 318.8900715 331.6456744 344.4012772 355.1159836 357.1568801 363.4836591 369.9124829 382.6680858 395.4236887 408.1792915 420.9348944 433.6904972 446.4461001 459.201703 465.5795044 471.9573058 484.7129087 4.0300
4.0600 310.7092666 323.655486 336.6017054 349.5479249 360.4227492 362.4941443 368.9154692 375.4403638 388.3865832 401.3328026 414.2790221 427.2252415 440.171461 453.1176804 466.0638998 472.5370096 479.0101193 491.9563387 4.0600
4.1250 320.737725 334.1017969 347.4658688 360.8299406 372.055761 374.1940125 380.8225922 387.5580844 400.9221563 414.2862281 427.6503 441.0143719 454.3784438 467.7425156 481.1065875 487.7886234 494.4706594 507.8347313 4.1250
4.1550 325.4199656 338.9791309 352.5382961 366.0974613 377.4871601 379.6566266 386.3819725 393.2157918 406.7749571 420.3341223 433.8932875 447.4524528 461.011618 474.5707832 488.1299485 494.9095311 501.6891137 515.2482789 4.1550
4.1875 330.5306813 344.302793 358.0749047 371.8470164 383.4155903 385.6191281 392.4500955 399.3912398 413.1633516 426.9354633 440.707575 454.4796867 468.2517984 482.0239102 495.7960219 502.6820777 509.5681336 523.3402453 4.1875
4.2500 340.4709 354.6571875 368.843475 383.0297625 394.946244 397.21605 404.2524486 411.4023375 425.588625 439.7749125 453.9612 468.1474875 482.333775 496.5200625 510.70635 517.7994938 524.8926375 539.078925 4.2500
4.3125 350.5583813 365.1649805 379.7715797 394.3781789 406.6477223 408.9847781 416.2296513 423.5913773 438.1979766 452.8045758 467.411175 482.0177742 496.6243734 511.2309727 525.8375719 533.1408715 540.4441711 555.0507703 4.3125
4.3750 360.793125 375.8261719 390.8592188 405.8922656 418.520025 420.9253125 428.3817038 435.9583594 450.9914063 466.0244531 481.0575 496.0905469 511.1235938 526.1566406 541.1896875 548.7062109 556.2227344 571.2557813 4.3750
4.4375 371.1751313 386.6407617 402.1063922 417.5720227 430.5631523 433.0376531 440.7086058 448.5032836 463.9689141 479.4345445 494.900175 510.3658055 525.8314359 541.2970664 556.7626969 564.4955121 572.2283273 587.6939578 4.4375
4.5000 381.7044 397.60875 413.5131 429.41745 442.777104 445.3218 453.2103576 461.22615 477.1305 493.03485 508.9392 524.84355 540.7479 556.65225 572.5566 580.508775 588.46095 604.3653 4.5000
4.5300 386.8107566 402.9278715 419.0449864 435.1621012 448.7004777 451.2792161 459.2733051 467.3963309 483.5134458 499.6305607 515.7476755 531.8647904 547.9819052 564.0990201 580.216135 588.2746924 596.3332498 612.4503647 4.5300
4.5600 391.9510426 408.282336 424.6136294 440.9449229 454.6632094 457.2762163 465.3765379 473.6075098 489.9388032 506.2700966 522.6013901 538.9326835 555.263977 571.5952704 587.9265638 596.0922106 604.2578573 620.5891507 4.5600
4.6000 398.857536 415.4766 432.095664 448.714728 462.6747418 465.333792 473.5768477 481.952856 498.57192 515.190984 531.810048 548.429112 565.048176 581.66724 598.286304 606.595836 614.905368 631.524432 4.6000
4.6250 403.204725 420.0049219 436.8051188 453.6053156 467.717481 470.4055125 478.7384102 487.2057094 504.0059063 520.8061031 537.6063 554.4064969 571.2066938 588.0068906 604.8070875 613.2071859 621.6072844 638.4074813 4.6250
4.6875 414.1757813 431.4331055 448.6904297 465.9477539 480.4439063 483.2050781 491.7647109 500.4624023 517.7197266 534.9770508 552.234375 569.4916992 586.7490234 604.0063477 621.2636719 629.892334 638.5209961 655.7783203 4.6875
4.7500 425.2941 443.0146875 460.735275 478.4558625 493.341156 496.17645 504.9658614 513.8970375 531.617625 549.3382125 567.0588 584.7793875 602.499975 620.2205625 637.94115 646.8014438 655.6617375 673.382325 4.7500

Smile  
When The Flag Drops.,.

tuffnuff

The Bull ***t Stops.,.
tuffnuff

P. Engineer, Engine Builder

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