question of the day! ??

Here's what my really old, and free with an engine building book, dyno program said:

Small & Big Headers
RPM HP TQ HP TQ
==== === === === ===
2000 114 298 116 305
2500 156 328 160 336
3000 198 347 203 355
3500 256 382 261 392
4000 319 419 323 424
4500 375 437 380 443
5000 416 436 421 442
5500 437 417 445 425
6000 441 386 452 396
6500 429 299 444 359
Umm... 4" stroke & cast crank

Should haul the mail pretty well. Of course my Dart's 318 isn't too far off, given that it's running on pump 93 with a 10.25:1 CR and and spotting the 410 84 Cid:

http://www.forabodiesonly.com/mopar/showpost.php?p=1970652714&postcount=129

Dave