http://www.engine-parts.com
816-765-4881 CST

The following camshafts are available from A.R.I. for GM V6 2.8 & 2.8 Stroker Engines:

Type

Manifold Vacuum Duration @ .050" Adv. Duration Lift Lobe Center
Stock 18-20 196 202 282 290 .395 .410 109 109
Phase 1 18-20 194 204 260 270 .398 .420 104 104
Phase 2 16-18 204 214 270 280 .420 .443 107 117
Phase 3 Low 214 224 280 290 .433 .466 107 117

Phase 1 - No computer modifications necessary. Most efficient from idle to 3000 rpm. Stock heads in good condition. Stock compression. Stock carb or FI. Smooth idle.

Phase 2 - Best power band from 1500 to 4000 rpm. Excellent low to mid-range torque from 1500 to 3500 rpm. No computer or component modifications necessary. Stock or slightly modified cylinder heads. Stock compression, stock carb or FI. Smooth idle.

Phase 3 - Excellent mid-range throttle response from 2000 to 4800 rpm. Excellent mid to top end torque from 2500 to 4000 rpm. May require computer modifications. Heads require good 3-angle valve job. Increased compression not to exceed 10.5:1. Rejetting or increased cfm in carb required. Fair idle with slight lope. May require vacuum reserve tank.

Prices (we sell these cams as a kit with lifters):

Stock cam kit w/ lifters: $112.12
Phase 1 cam w/ lifters: $138.60
Phase 2 cam w/ lifters: $138.48
Phase 3 cam w/ lifters: $149.56