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Small Block Chevy Test Engine Results - Danger Mouse Recap, History, and Summary

Learning How To Make Tons Of Extra Power

By Mike Petralia

T23: Switched to 36 lb-hr injectors at 50 psi.

  T21 T21 T22 T22 T23 T23
RPM TQ HP TQ HP TQ HP
2600 352 174 364 180 355 176
2800 350 187 362 193 352 188
3000 357 204 369 211 361 206
3200 379 231 383 233 380 231
3400 389 252 387 251 383 248
3600 385 264 385 264 382 262
3800 385 278 381 276 278 274
4000 384 292 379 289 380 290
4200 387 309 388 310 390 312
4400 406 340 408 342 396 332
4600 424 372 421 369 415 363
4800 428 392 427 391 424 387
5000 429 408 426 405 423 402
5200 430* 426 426 422 419 415
5400 421 433 431* 444 420 432
5600 424 452 423 451 426 455
5800 420 464 420 464 426 470
6000 413 471 420 480* 420 480
Max 430 474 431 480 427 483
Avg 397 330 400 332 396 329


Meeting Deadlines
A month went by after the EFI tests and we were a little pressed for time before the next test was due. In a rush to meet the deadline, we hooked DM back onto Westech's dyno and started swapping rocker arms to see if there would be any extra power there. However, the first thing we were greeted with was a loss almost 30 hp and 20 ft-lb of torque (compare T22 and T24)! We still have no idea how or why this happened, but it only got worse from there.

By Mike Petralia
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