Flow Testing
RHS 180cc Head Flow
RHS 180cc Straight Plug Aluminum
Tested On SuperFlow 600 Flow Bench
Tested By Steve Dulcich
CFM @ 28 inches Water Depression

LiftIntake Exhaust*
0.0503126
0.1006453
0.200120102
0.300161140
0.400201170
0.500233188
0.600248197
0.700245204
*Exhaust tested with flow pipe

Dyno TestingDyno Results
Small-block 290 HP GM Crate Engine
Tested On SuperFlow 902 Engine Dyno
Tested At Westech Performance Group
STP Correction Factor

Torque lb-ft
RPMTest1Test2Test3Test4
3,000337328391381
3,200342341389388
3,400345355400397
3,600346365410407
3,800349369418412
4,000344370420419
4,200339370421497
4,400335369419581
4,600330366418575
4,800324361417555
5,000314355414532
5,200297348407505
5,400281338398486
5,600270311387466
5,800-289369439
Horsepower (STP)
RPMTest 1Test 2Test 3Test 4
3,000193187223218
3,200208208237236
3,400223230259257
3,600237250281277
3,800253267303298
4,000262282320319
4,200271296337398
4,400281309351487
4,600289321366504
4,800296330381507
5,000299338394506
5,200294345403501
5,400289348409500
5,600287332412497
5,800319408484
SOURCE
Autotronic Controls/MSD
1490 Henry Brennan Dr.
El Paso
TX  79936
915-857-5200
Edelbrock Corp
2700 California St
Torrance
CA  90503
310-781-2222
COMP Cams GM Performance Parts
www.gmperformanceparts.com
CSR Performance Products RHS
N/A
racingheadservice.com
Demon Carbs Barry Grant Inc. Zex
3418 Democrat Rd.
Memphis
TN  38118