308 Grind, Welded Lobe, Clone 13HP
$149.25/EACH
| Item | 308-GX390 |
|---|
Description
- The 308 is a great all-around cam. It features a wide powerband and great "pulling" characteristics. Upgrading the valve springs are mandatory. If your rules allow, upgrading to a billet connecting rod and flywheel is also mandatory. A carb with a 1.33" or 34mm venture is recommended. The use of big valves is highly recommended.
- The lobes are welded to increase durability, extending the life of this cam.
Specs
| Engine: | 390cc OHV Clone 13HP |
|---|---|
| Recommended Class: | Modified |
| Target (MAX) RPM: | 7200 |
| Spring Pressure (In / Ex): | 48-50 lbs Dual Spring |
| Valve Lash (In/Ex): | .003" |
| Ignition Timining: | Pump Gas Not Recommended |
| 110 Octane 32 Deg BTDC | |
| Methanol 36 Deg BTDC | |
| Compression Ratio: | 12 to 1 |
Profile
| Intake | Exhaust | |
|---|---|---|
| Open: | 53.5 BTDC | 91.0 BBDC |
| Close: | 91.0 ABDC | 55.1 ATDC |
| Lift: | .308" | .308" |
| C/L: | 108.0 ATDC | 108.0 BTDC |
| DUR @ 50: | 244.2 Deg | 244.6 Deg |
Any camshaft that is not in stock will need to be manufactured. This may cause a delay of 5-7 business days.
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