here is the specs of Mobil 4T being provided locally by Askari Lubricants and Zic 4T........which one has better specifications?? and does being synthetic give any edge to Zic??
MOBIL
Four-Stroke Motorcycle Engine Oil
Product Description
Mobil Special 4T is a general performance four-stroke motorcycle engine oil intended for lubrication of small four-stroke engines.
Features and Benefits
Mobil Special 4T combines highly refined mineral oils and a balanced additive system to prevent build up of deposits and provide wear and corrosion protection. Key features and benefits include:
<table class="pdstable" border="0" cellpadding="0" cellspacing="0"><thead><tr> <th width="50%">Features</th><th width="50%">Advantages and Potential Benefits</th> </tr></thead><tbody><tr> <td>Effective wear protection</td><td>Extended engine life</td> </tr> <tr class="pdstableAlt"> <td>Thermal and oxidation stability, deposit control</td><td>Maintains clean engines for smoother operation</td> </tr> <tr> <td>Good corrosion protection</td><td>Protects critical engine parts and wear surfaces</td> </tr></tbody></table>
Applications
Mobil Special 4T is specifically recommended for use in small four-stroke engines; such as those found in smaller motorcycles, lawn mowers, small generators and pumps and in all applications where an API SF and JASO MA level performance is recommended.
Specifications and Approvals
<table class="pdstable" border="0" cellpadding="0" cellspacing="0"><thead><tr> <th width="50%">Mobil Special 4T is recommended by ExxonMobil for use in applications requiring:</th><th width="25%">20W-40</th><th width="25%">20W-50</th> </tr></thead><tbody><tr> <td>API</td><td>SF</td><td>SF</td> </tr> <tr class="pdstableAlt"> <td>JASO</td><td>MA</td><td>MA</td> </tr></tbody></table>
Typical Properties
<table class="pdstable" border="0" cellpadding="0" cellspacing="0"><thead><tr> <th width="50%">Mobil Special 4T</th><th width="25%">
</th><th width="25%">
</th> </tr></thead><tbody><tr> <td>SAE Grade</td><td>20W-40</td><td>20W-50</td> </tr> <tr class="pdstableAlt"> <td>Viscosity, ASTM D 445</td><td>
</td><td>
</td> </tr> <tr> <td>cSt @ 40º C</td><td>121</td><td>145.7</td> </tr> <tr class="pdstableAlt"> <td>cSt @ 100º C</td><td>14.1</td><td>17.3</td> </tr> <tr> <td>Viscosity Index, ASTM D 2270</td><td>116</td><td>129.2</td> </tr> <tr class="pdstableAlt"> <td>Sulfated Ash, wt%, ASTM D 874</td><td>0.6</td><td>0.6</td> </tr> <tr> <td>Pour Point, ºC, ASTM D 97</td><td>-27</td><td>-30</td> </tr> <tr class="pdstableAlt"> <td>Flash Point, ºC, ASTM D 92</td><td>223</td><td>235</td> </tr> <tr> <td>Density @15 ºC kg/l, ASTM D 4052</td><td>0.89</td><td>0.89</td></tr></tbody></table>
ZIC 4T
(SYNTHETIC FORMULA)
ZIC 4T is a high quality synthetic 4-Cycle Engine oil with YUBASE Technology, designed to provide excellent bearing and piston scuffing protection.
ZIC 4T guarantees the best performance of lubrication and oxidation stability under any circumstances.
Foe 4-Cycle Motorcycles
JASO MA
API SJ/CD, SAE 10W/40
<table bgcolor="#b6c9df" border="0" cellpadding="5" cellspacing="1" width="100%"><tbody><tr align="center" bgcolor="#d9e2ee"><td class="txt03" height="34" width="39%">SAE Grade</td> <td class="txt03" width="20%">10W/40</td> <td class="txt03" width="20%">10W/50</td> <td class="txt03" width="20%">20W/50</td> </tr> <tr bgcolor="#ffffff"> <td align="center" bgcolor="#f3f7fb">API Grade</td> <td align="center">SJ/CF</td> <td align="center">SJ/CF</td> <td align="center">SJ/CF</td> </tr> <tr bgcolor="#ffffff"> <td align="center" bgcolor="#f3f7fb">Appearance</td> <td align="center" bgcolor="#ffffff">B&C</td> <td align="center" bgcolor="#ffffff">B&C</td> <td align="center" bgcolor="#ffffff">B&C</td> </tr> <tr bgcolor="#ffffff"> <td align="center" bgcolor="#f3f7fb">Specific Gravity, 15/4℃ </td> <td align="center" bgcolor="#ffffff">0.854</td> <td align="center" bgcolor="#ffffff">0.857</td> <td align="center" bgcolor="#ffffff">0.883</td> </tr> <tr bgcolor="#ffffff"> <td align="center" bgcolor="#f3f7fb">Kinematic, Viscosity, cSt, 40 ℃</td> <td align="center" bgcolor="#ffffff">99.23</td> <td align="center" bgcolor="#ffffff">114.8</td> <td align="center" bgcolor="#ffffff">152.9</td> </tr> <tr bgcolor="#ffffff"> <td align="center" bgcolor="#f3f7fb">Kinematic, Viscosity, cSt, 100 ℃</td> <td align="center" bgcolor="#ffffff">15.06</td> <td align="center" bgcolor="#ffffff">18.87</td> <td align="center" bgcolor="#ffffff">18.8</td> </tr> <tr bgcolor="#ffffff"> <td align="center" bgcolor="#f3f7fb">Viscosity Index</td> <td align="center" bgcolor="#ffffff">159</td> <td align="center" bgcolor="#ffffff">160</td> <td align="center" bgcolor="#ffffff">120</td> </tr> <tr bgcolor="#ffffff"> <td align="center" bgcolor="#f3f7fb">Flash Point,℃ </td> <td align="center" bgcolor="#ffffff">234</td> <td align="center" bgcolor="#ffffff">230</td> <td align="center" bgcolor="#ffffff">250</td> </tr> <tr bgcolor="#ffffff"> <td align="center" bgcolor="#f3f7fb">Pour Point,℃ </td> <td align="center" bgcolor="#ffffff">-35.0</td> <td align="center" bgcolor="#ffffff">-35.0</td> <td align="center" bgcolor="#ffffff">-30.0</td></tr></tbody></table>