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Annular Vs. Dogleg Carb Showdown

Suffering The Bogs From A Huge Carb And Monster Cam? Solve It And Pick Up Torque As You Follow Car Craft's

Photography by Courtesy of Demon Carburetion
 
TEST 1
  
TEST 2
  
DIFF
  
 
Down Leg
 Fuel
Annular
Fuel     Fuel
RPM TQ HP lb/hr TQ HP lb/hr TQ HP lb/hr
1,800 236 79 58 330 113 57 94 33 -1
2,000 269 103 58 354 135 58 85 32 0
2,200 299 126 58 365 153 62 66 27 4
2,400 324 148 61 370 169 67 46 21 6
2,600 344 170 65 375 185 74 31 15 9
2,800 359 191 71 380 203 78 21 12 7
3,000 370 211 79 386 221 91 16 10 12
3,200 378 230 87 394 240 99 16 10 12
3,400 384 249 96 400 259 106 16 10 10
3,600 389 268 105 406 278 112 17 10 7
3,800 394 286 114 410 296 119 16 10 5
4,000 399 304 123 413 314 125 14 10 2
4,200 405 323 132 416 332 133 11 9 1
4,400 411 343 140 420 352 142 9 9 2
4,600 417 364 149 424 372 152 7 8 3
4,800 423 386 158 430 394 163 7 8 5
5,000 428 408 167 435 415 174 7 7 7
5,200 432 429 176 440 436 186 8 7 10
5,400 435 448 185 443 454 197 8 6 12
5,600 436 466 194 442 471 207 6 5 13
5,800 434 480 203 438 484 216 4 4 13
6,000 430 490 213 431 494 223 1 4 10
6,200 422 498 224 424 502 230 2 4 6
6,400 412 502 235 417 508 238 5 6 3
6,600 402 506 246 410 513 248 8 7 2
Avg. 387 328 140 407 336 145 20 11 6.7
Peak 436 506 246 443 513 248 94 33 13

Note: Averages were generated from the entire power curve every 100 rpm, which will be slightly different than the average of the above numbers.

'Barry Grant races an NHRA Pro Stocker that uses King Demon carbs with annular-discharge boosters.

SOURCES
Barry Grant Fuel Systems
Dahlonega
GA
7-06/-864-8544
barrygrant.com
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