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I am puzzled about the proper oil viscosity for my Rover 3.5 V8 engine. Des
Hammill's book How to Power Tune RV8 Engines states "Anyone used to oil
pressures hovering around 70 - 75 psi on an MGB 1800 engine will be alarmed
to see pressures in the Rover V8 reading 15 - 40 psi. These engines are
low-pressure engines with normal pressures (hot) at 20 psi idle using a 15W
50 oil, and 40 psi over about 3500 rpm." Its time for me to change the oil
in mine and 15W 50 seems a bit high when compared to oil normally used in my
other US built cars. Anyone have any thoughts or suggestions to this?
Thanks in advance for your input.
Jim Ray
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class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt'>I am puzzled about the proper oil viscosity =
for my Rover 3.5 V8 engine. Des Hammill's book <i>How to Power Tune RV8 =
Engines </i>states “Anyone used to oil pressures hovering around =
70 – 75 psi on an MGB 1800 engine will be alarmed to see pressures =
in the Rover V8 reading 15 – 40 psi. These engines are =
low-pressure engines with normal pressures (hot) at 20 psi idle using a =
15W 50 oil, and 40 psi over about 3500 rpm.” Its time for me =
to change the oil in mine and 15W 50 seems a bit high when compared to =
oil normally used in my other US built cars. Anyone have any thoughts or =
suggestions to this?<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt'>Thanks in advance for =
your input.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt'>Jim =
Ray<o:p></o:p></span></p></div></body></html>
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