I wanted to gather some info regarding temperatures so I'm starting the first in a series of logs.
Today, I started recording the fuel temps at my onboard filter. As many will know, I have a sock filter inside the van.
It's not loop return. It's feed by a 10mm nylon line from an exposed to atmosphere, steel tank. The return line is original steel.
Most often my blend is heavier than diesel. Viscosity appears to play a part as to how sweet the engine runs including how much timing advance.
If this log proves successful, I'll follow it up with return line and injector line logs.
Possibly a tank temp log too. Especially if I find something interesting or unexpected, I'm likely to get keener.
Currently I have only one thermocouple, so it's one reading at a time.
Some of the things I was puzzling over re temps for issues relating to blending in unheated system:
Does tank fuel level have any affect on temps of fuel delivered to the filter?
How much does ambient temps affect fuel temps?
What range of temps are possible?
Does returning fuel raise tank temps?
Does the tank itself act as a cooler for the fuel?
Do fuel temps appear to affect starting, hot or cold?
What's the real engine compartment temp?
Does the engine compartment temp or injector line temp, rise then fall after engine shutdown due to heat soak?
Do periods of idling or low speed, raise injector line temps against open road running?
No doubt there are lots of variables. Different vehicles, engines, driving habits, fuel blend ratios to name a few.
For sure, I have a few preconceived ideas as to what the temps will be... and what effects that has.
Today, I started recording the fuel temps at my onboard filter. As many will know, I have a sock filter inside the van.
It's not loop return. It's feed by a 10mm nylon line from an exposed to atmosphere, steel tank. The return line is original steel.
Most often my blend is heavier than diesel. Viscosity appears to play a part as to how sweet the engine runs including how much timing advance.
If this log proves successful, I'll follow it up with return line and injector line logs.
Possibly a tank temp log too. Especially if I find something interesting or unexpected, I'm likely to get keener.
Currently I have only one thermocouple, so it's one reading at a time.
Some of the things I was puzzling over re temps for issues relating to blending in unheated system:
Does tank fuel level have any affect on temps of fuel delivered to the filter?
How much does ambient temps affect fuel temps?
What range of temps are possible?
Does returning fuel raise tank temps?
Does the tank itself act as a cooler for the fuel?
Do fuel temps appear to affect starting, hot or cold?
What's the real engine compartment temp?
Does the engine compartment temp or injector line temp, rise then fall after engine shutdown due to heat soak?
Do periods of idling or low speed, raise injector line temps against open road running?
No doubt there are lots of variables. Different vehicles, engines, driving habits, fuel blend ratios to name a few.
For sure, I have a few preconceived ideas as to what the temps will be... and what effects that has.
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