MOD1 Grind, Tool Steel Billet, Clone 13HP
$215.00/EACH
| Item | MOD1-GX390TSB |
|---|
Description
- The MOD 1 features the same characteristics as our 308, with the addition of making more top end power. Upgrading the valve springs, a billet connecting rod, and billet flywheel are mandatory. A carb with a 1.33" or 34mm or larger venture is highly recommended. The use of big valves is also highly recommended.
- Tool Steel Billet cores are the best choice in high RPM applications.
- The two piece design of the Tool Steel Billet core allows you to advance or retard the cam to meet your application needs.
Specs
| Engine: | 390cc OHV Clone 13HP |
|---|---|
| Recommended Class: | Modified / Open |
| Target (MAX) RPM: | 7500 |
| 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: | 12.2 to 1 |
Profile
| Intake | Exhaust | |
|---|---|---|
| Open: | 42.0 BTDC | 78.0 BBDC |
| Close: | 83.5 ABDC | 46.0 ATDC |
| Lift: | .310" | .310" |
| C/L: | 108.0 ATDC | 108.0 BTDC |
| DUR @ 50: | 247.6 Deg | 247.6 Deg |
Any camshaft that is not in stock will need to be manufactured. This may cause a delay of 5-7 business days.
Documents