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
GM Performance Parts
www.gmperformanceparts.com
COMP Cams
Zex
3418 Democrat Rd.
Memphis
TN  38118
CSR Performance Products
Demon Carbs Barry Grant Inc. Edelbrock Corp
2700 California St
Torrance
CA  90503
310-781-2222
RHS
N/A
racingheadservice.com
Autotronic Controls/MSD
1490 Henry Brennan Dr.
El Paso
TX  79936
915-857-5200