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1973 Mercury Comet -The Quest For 10s

A Mad Scientist Twisting Small Block Ford Dr. Setzer

Photography by John Baechtel, ,
  TEST 1 TEST 2 DIFFERENCE
RPM TQ HP TQ HP TQ HP
4,600 352 308 382 335 +30 +27
4,800 365 334 389 356 +24 +22
5,000 375 357 391 373 +16 +16
5,200 375 371 393 389 +18 +18
5,400 376 387 394 406 +18 +19
5,600 380 405 398 424 +18 +19
5,800 376 416 396 438 +20 +22
6,000 375 428 399 456 +24 +28
6,200 375 442 401 473 +26 +31
6,400 371 452 401 489 +30 +37
6,600 364 458 396 498 +32 +40
6,800 358 464 391 507 +33 +43
7,000 353 470 382 510 +29 +40
7,200 342 469 372 510 +30 +41
7,400 332 469 353 498 +21 +29
Peak 378 472 403 512    
Power/ci 1.23 1.54 1.31 1.67    

'AFR 185 cNC Windsor Ford Flow TestThese are the flow numbers on the Westech bench using Tom's heads that are angle milled to 51cc chambers. This is with his 2.20/1.60-inch valves and valve job on a 4.030-inch bore with a radiused entry on the intake side and no flow tube on the exhaust side.

VALVE INTAKE EXHAUST E/I
LIFT      
0.050 32 24 75%
0.100 67 56 84%
0.200 145 114 79%
0.300 202 155 77%
0.400 230 174 76%
0.500 248 183 74%
0.600 265 185 70%
0.700 272 188 69%

E/I represents the flow relationship in percentage of the exhaust port to the intake port. Generally, percentages over 70 to 75 percent are considered good.

SOURCES
Airflow Research (AFR)
Pacoima
CA
airflowresearch.com
Milodon
2250 Agate Ct.
Simi Valley
CA  93065
805-577-5950
www.milodon.net
Automotive Racing Products (ARP)
531 Spectrum Circle
Oxnard
CA  93030
805-278-7223
Scat Enterprises
3-10/-370-5501
scatenterprises.com
MSD Ignition
El Paso
TX
9-15/-857-5200
msdignition.com
Sportsman Racing Pistons (SRP)
7-14/-898-9763
www.jepistons.com
COMP Cams Westech Performance Group
11098 Venture Dr., Unit C
Mira Loma
CA  91752
9-09/-685-4767
www.westechperformance.com
Fuel Air Spark Technology (FAST)
Ashland
MS
www.fuelairspark.com
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