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Skunk2 Racing Cook Book

Enthusiasts frequently ask us how much power their engines will make, but because there are so many different variables and combinations, it is nearly impossible for us to provide exact numbers. Fortunately at Skunk2 we have the opportunity to develop and test numerous different engine combos and determine what components and modifications will result in good performance gains. By publishing the test results of various engine combinations, we hope to provide our customers and enthusiasts with a benchmark for results they might expect with similar combinations. Though actual results may vary with differences in component selection, quality of modifications, and tuning capabilities; the information below can serve as a good reference in developing effective combinations.

All figures are flywheel Horsepower and Torque obtained on DTS Engine Dyno. Results may vary.

Wheel Horsepower and Torque figures will be approximately 14-18% lower for B and H series.

Wheel Horsepower and Torque figures will be approximately 7-10% lower for K series.

Modifications	HP Gain	TQ Gain	Notes
4G63T DYNOTEST MULE ENGINE
STEP 1 • Skunk2 Stage 1 Cams • Skunk2 Downpipe • Skunk2 Mega Power Exhaust	315 - >350	290 - >305	85mm X 88mm 2.0L DOHC
STEP 2 • Skunk2 Prototype Stage 2 Cams • AEM EMS ECU Tuning • Skunk2 Turbo Elbow • S2 Valves, S2 Springs & S2 Retainers	350 - >390	305 - >340
B16A DYNOTEST MULE ENGINE
STEP 1 Skunk2 Custom Header Skunk2 Stage 1 Cams Skunk2 Custom Short Ram Intake Skunk2 Exhaust	165 - >190	110 - >115	81mm X 77.4mm 1.6L DOHC VTEC 11:1 Comp
STEP 2 Skunk2 Pro-Series Intake Manifold Skunk2 Stage 2 or Pro 1 Cams S2 Valves, S2 Springs & S2 Retainers Skunk2 / Hondata ECU	190 - >218	115 - >126
STEP 3 Skunk2 Ported Head Skunk2 Stage 3 or Pro 2 Cams Skunk2 Throttle Body Comp Ratio increased to 11:1	218 - >232	126 - >134
B18C WD40 2.0L B-SERIES CHALLENGE ENGINE
STEP 1 • Skunk2 Custom Header • Skunk2 Stage 2 or Pro 1 Cams • Skunk2 Custom Short Ram Intake • Skunk2 Exhaust	205 - >230	135 - >158	84mm X90mm 2.0L DOHC VTEC 11:1 Comp
STEP 2 • Skunk2 Intake Manifold Ported • Skunk2 Stage 2 Cams or Pro 2 Cams • S2 Valves, S2 Springs & S2 Retainers • Skunk2 Hondata ECU • Skunk2 Throttle Body	230 - >255	158 - >171
STEP 3 • Skunk2 Ported Head • Skunk2 Pro 3 Cams	255 - >277	171 - >187
D16Z6,Y8 DYNOTEST MULE ENGINE
STEP 1 • Header • Skunk2 Stage 1 Cams • Skunk2 Intake Manifold • Skunk2 Exhaust • Skunk2 Throttle Body	From 145 - >165	From 128 - >136	75.5mm X 90mm 1.6L SOHC VTEC
F20C HONDA TUNING MAGAZINE S2000 ENGINE
STEP 1 • AEM EMS • Skunk2 Stage 1 Cams • Skunk2 Custom Short Ram Intake • Skunk2 Exhaust and Test Pipe	240 - >257	154 - >172	87mm X 84mm 2.0L DOHC VTEC 11.5:1 Comp
STEP 2 • Skunk2 Custom Header • Skunk2 Stage 2 Cams • S2 Valves, S2 Springs & S2 Retainers • Skunk2 Throttle Body	257 - >268	172 - >180
STEP 3 • Skunk2 Custom Ported Head • Comp Ratio Increased to 11.5:1	268 - >280	180 - >190
H22A DYNOTEST MULE ENGINE
STEP 1 • Header • Skunk2 Stage 1 Cams or S2 Pro 1 • Skunk2 Intake Manifold • Skunk2 Exhaust	195 - >225	160 - >190	87mm X 90.7mm 2.2L DOHC VTEC 11:1 Comp
STEP 2 • Skunk2 Ported Head • Skunk2 Stage 2 or S2 Pro 2 Cams • Skunk2 Hondata ECU • S2 Valves, S2 Springs & S2 Retainers * Comp Ratio Increased to 11:1	225 - >270	190 - >220
K20A2 / K20Z1 DYNOTEST MULE ENGINE
STEP 1 • Skunk2 Custom Header • Skunk2 Hondata ECU • Skunk2 Stage 1 Cams • Skunk2 Custom Short Ram Intake Pipe • Skunk2 Exhaust	200 - >236	145 - >160	86mm X 86mm 2.0L DOHC iVTEC 11:1 Comp
STEP 2 • Skunk2 Prototype Intake Manifold • Skunk2 Stage 2 Cams • S2 Valves, S2 Springs & S2 Retainers • Skunk2 Throttle Body	236 - >254	160 - >172
STEP 3 • Skunk2 Ported Head • Skunk2 Stage 3 Cams • Comp Ratio Increased to 11:1	254 - >274	172 - >194
K20A2 SKUNK2 CIVIC SIR2
STEP 1 • Skunk2 Custom Header • Skunk2 Hondata ECU • Skunk2 Stage 1 Cams • Skunk2 Custom Cold Air Intake • Skunk2 MegaPowerR Exhaust	200 - >240	145 - >162	88.5mm X 88.5mm 2.2L DOHC iVTEC 11:1 Comp
STEP 2 • Skunk2 Prototype Intake Manifold • Skunk2 Stage 2 Cams • S2 Valves, S2 Springs & S2 Retainers • Skunk2 Throttle Body	240 - >260	162 - >178
STEP 3 • Skunk2 Ported Head • Skunk2 Stage 3 Cams • Comp Ratio Increased to 11:1	260 - >292	178 - >202
K20A2/K20Z1 CARB EXEMPT TURBOCHARGED ENGINE
STEP 1 • Smog Legal Turbo Kit • Performance Exhaust	183 - >236	178 - >217	86mm X 86mm 2.0L DOHC iVTEC K20 Turbo 7lbs
STEP 2 • Skunk2 70mm MegaPowerR Exhaust	236 - >252	217 - >222
STEP 3 • Skunk2 Turbo 1 Cams	252 - >283	222 - >233
K24A1,3,4 DR. CHARLES' WAGOVAN ENGINE
STEP 1 • Header • Skunk2 Prototype Intake Manifold • Skunk2 Hondata ECU • Skunk2 Stage 1 Cams • Skunk2 Custom Short Ram Air Intake • Skunk2 Custom Exhaust	170 - >205	184 - >190	87mm X 99mm 2.4L DOHC iVTEC K20 Oil Pump 10.5:1 Comp
STEP 2 • Skunk2 Stage 2 Cams • S2 Valves, S2 Springs & S2 Retainers • Skunk2 Throttle Body	205 - >228	190 - >195
STEP 3 • Skunk2 Ported Head • Skunk2 Stage 3 Cams • Comp Ratio Increased to 10.5:1	228 - >257	195 - >204
K24A2 DELTA DRAG ENGINE
STEP 1 • Skunk2 Custom Racing Header • Skunk2 Hondata ECU or Motec M800 • Skunk2 Stage 3 Cams • Skunk2 Custom Individual Throttle Bodies • S2 Valves, S2 Springs & S2 Retainers • Skunk2 Custom CNC Ported Head	385	265	90mm X 101mm 2.6L DOHC 15:1 Comp Ratio E98 Ethanol 5 - Stage Dry Sump
K24A2 SKUNK2 M3 KILLER TSX & CIVIC RR ENGINE
STEP 1 • Skunk2 Custom Header • Skunk2 Intake Manifold • Skunk2 Hondata ECU • Skunk2 Stage 1 Cams • Skunk2 Custom Short Ram Intake • Skunk2 Exhaust	200 - >240	184 - >190	87mm X 99mm 2.4L DOHC iVTEC 11:1 Comp K20A2 Oil Pump
STEP 2 • Skunk2 Stage 2 Cams • S2 Valves, S2 Springs & S2 Retainers • Skunk2 Throttle Body	240 - >265	190 - >195
STEP 3 • Skunk2 Ported Head • Skunk2 Stage 3 Cams • Comp Ratio Increased to 11:1	265 - >280	195 - >215