Howards Cams 2016-2017 Catalog

Page 110

Howards_2016_home_pg_shift.qxp_2005Howardscurrent vers .QXD4 copy 8/29/16 9:16 AM Page 112

CAMSHAFTS

CHEVROLET BIG BLOCK MARK IV Cam Part No.

120225-12 120235-10 120235-12 123515-10 120245-10 120245-12 122115-12 122115-14

123315-08 123315-10 120325-08 120325-10 120325-12 120255-08 120255-12 121905-08 121905-11

120605-12 120605-14 120205-12 120205-14 120405-08 120405-10 120405-12

Cam & Lifter Set Part No.

CL120225-12 CL120235-10 CL120235-12 CL123515-10 CL120245-10 CL120245-12 CL122115-12 CL122115-14

CL123315-08 CL123315-10 CL120325-08 CL120325-10 CL120325-12 CL120255-08 CL120255-12 CL121905-08 CL121905-11

CL120605-12

CL120605-14 CL120205-12 CL120205-14 CL120405-08 CL120405-10 CL120405-12

• 396-502 1965-1996

Duration Advertised IN EX

262

1200-4400

266

1200-5000

266

1400-4600

272

1600-5000

278

1800-5400

278

1800-5400

278

1800-5600

278

1800-5600

280

2000-5600

280

2000-5600

282

2000-5700

282

2000-5800

282

2000-5800

284

2400-6000

284

2400-6000

286

2500-6100

286

2500-6200

286

2500-6200

286

2500-6500

286

2500-6300

286

2500-6300

288

2600-6400

288

2600-6400

288

2600-6400

266

Duration @ .050” IN EX

209

213

Firing Order: 1•8•4•3•6•5•7•2

Valve Lift w/1.70 Rockers IN EX

.510

.527

Lobe Separation Intake Angle Centerline

112

Great daily usage, smooth idle, great fuel economy.

274

213

221

.510

.538

110

108 106

Good idle, Off-Road & Street Performance. 9.0:1 CR advised.

274

213

221

.510

.538

112

108

Good idle, Off-Road & Street Performance. 9.0:1 CR advised.

280

219

227

.555

.555

110

106

Valve Lash IN EX

Cam Notes

Hyd. Hyd.

1,2

Hyd. Hyd. Hyd. Hyd. Hyd. Hyd.

Good idle, Performance Street, great low to mid range. Headers suggested.

284

225

231

.567

.578

110

106

Hyd. Hyd.

Noticeable idle, Street Performance. Should have 2000+ stall, 9.5:1+ CR.

284

225

231

.567

.578

112

Fair idle, Street & mild Performance usage. Crisp throttle.

288

225

235

.595

.601

112

108 108

Hyd. Hyd. Hyd. Hyd.

Mild idle, Street Performance, Great mid range torque. Headers suggested

288

225

235

.595

.601

114

110

Hyd. Hyd.

Fair idle, excellent mid range power. 2500+ stall. Also good w/roots blower, 10psi max.

280

227

227

.555

.555

108

104

Hyd. Hyd.

Mild rough idle, Hot Street. Should have good exhaust, 2500+ stall & 9.5:1 CR.

280

227

227

.555

.555

110

106

Hyd. Hyd.

Mild rough idle, Hot Street. Should have good exhaust, 2500+ stall & 9.5:1 CR.

288

229

235

.589

.601

108

104

Street/Strip, 10.0:1+ CR, aftermarket dual plane intake recommended.

288

229

235

.589

.601

110

106

Fair idle, Performance usage. Mid-range torque & horsepower.

288

229

235

.589

.601

112

108

Hyd. Hyd.

Hyd. Hyd. Hyd. Hyd.

Fair idle, Moderate Street/Mild Bracket. Good mid range. 10.0-11.5:1, 2500+ stall.

288

231

235

.578

.618

108

104

Fair idle, Performance usage. Great mid-range torque & power.

288

231

235

.578

.618

112

108

Fair idle, Performance usage. Great mid-range torque & power.

286

233

233

.601

.601

108

104

Hyd. Hyd.

Hyd. Hyd.

Hyd. Hyd.

Rough idle, Performance Street/Mild Strip. Nice mid range. 9.5:1+ CR, 2500+ stall.

286

233

233

.601

.601

111

107

Hyd. Hyd.

Rough idle, Hot Street. Good usable mid range power band. 9.5:1+ CR, 2500+ stall.

300

233

247

.601

.612

112

108

Hyd. Hyd.

Mild idle, Hot Street. Great mid range performance. 9.5:1+ CR, 2500+ stall.

300

233

247

.601

.612

114

110

Hyd. Hyd.

Mild idle, Hot Street. Great mid range performance. Small blower or NOS OK.

298

233

245

.635

.635

112

108

Hyd. Hyd.

Fair idle, Aggressive Street. Big mid range torque. 9.5:1+ CR, 2500+ stall.

298

233

245

.635

.635

114

110

Hyd. Hyd.

Fair idle, Aggressive Street. Big mid range torque. Good with 150+ NOS or blower.

294

235

241

.618

.618

108

104

Hyd. Hyd.

Rough idle, Hot Street/Strip. Great mid range. Needs good heads, 10.0:1+ CR.

294

235

241

.618

.618

110

106

Hyd. Hyd.

Fair idle, Street/Strip, best in 496-540ci. Nice mid range power. 2600+ stall.

294

235

241

.618

.618

Rough idle, strong mid-range torque & horsepower.

112

108

Hyd. Hyd.

1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2

Cam Notes: master note list on page 260 1 2

Stock (O.E.) valve springs cannot be used. Requires Thrust Button.

112

Phone: 1300 350 351

Fax: 1300 350 454

Some items are not legal for sale or use on any pollution controlled motor vehicle

Web: www.fabre.com.au

Email: info@fabre.com.au


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