Dyno testing a stock(?) 1972 440

One more change. Lesse, what carburetors do we have laying around? Oh, howsabout this 750 cfm Edelbrock Performer. Yeah, bolt that dude on!

RPM..............TQ.............HP

2500............432............206
2600............423............209
2700............419............216
2800............419............223
2900............421............232
3000............424............242
3100............422............249
3200............421............256
3300............416............261
3400............412............267
3500............406............270
3600............399............274
3700............395............278
3800............391............283
3900............383............285
4000............376............286
4100............370............289
4200............368 +32......294 +26
4300............363 +31......297 +25
4400............350............293
4500............338............290
4600............326............285
4700............313............283
4800............305............279
4900............286............267
5000............274............261
5100............266............259
5200............247............244
5300............237............239
5400............231............238
5500............207............217

Now, all we have done is add headers and a bigger carburetor and we have gained 31 LB-FT and 25 HP at 4200-4300 rpm from the 1st pull. Just changing the carburetor we gain torque and horsepower across the entire rpm range. We're getting close to 300 HP.