I get mixed views when I ask if its ok to use 10% ethenol blends in my old e30. My general garage mechanic said no problem at all and even not to bother adding a lead substitute additive into each fill of gas (to compensate for lead lubricant in old lead fuels). He said there would still be plenty of lead lubricating valves adding newer (phosphorus?) lubricant additive is optional but not necessary in these old cars that have started their lives running lead fuel.
The e10 biofuel mix in Australia is meant to bring octane up to 91.
Isnt the stock tuning/timing in the ECU chip set to 87? Is it worth bothering upgrading the ROM tune to octane 91?
Do you need to add a lead replacement additive each fill?
Should I use e10 blend fuels or will that damage the seals/rubber tubing in the fuel injection etc??
Noone seems to give me a concise answer so thought would ask here.
PS:
fuel companies homepage says not recommended on old cars contrary to what mechanic told me - covering their arses perhaps?
" the use of ethanol blended petrol in fuel injection systems will result in early deterioration of components such as injector seals, delivery pipes, and fuel pump and regulator.Mechanical fuel injection systems and earlier electronic systems may not be able to fully compensate for the lean-out effect of ethanol blended petrol, resulting in hesitation or flat-spots during acceleration.
Difficulty in starting and engine hesitation after cold start can also result."
The e10 biofuel mix in Australia is meant to bring octane up to 91.
Isnt the stock tuning/timing in the ECU chip set to 87? Is it worth bothering upgrading the ROM tune to octane 91?
Do you need to add a lead replacement additive each fill?
Should I use e10 blend fuels or will that damage the seals/rubber tubing in the fuel injection etc??
Noone seems to give me a concise answer so thought would ask here.
PS:
fuel companies homepage says not recommended on old cars contrary to what mechanic told me - covering their arses perhaps?
" the use of ethanol blended petrol in fuel injection systems will result in early deterioration of components such as injector seals, delivery pipes, and fuel pump and regulator.Mechanical fuel injection systems and earlier electronic systems may not be able to fully compensate for the lean-out effect of ethanol blended petrol, resulting in hesitation or flat-spots during acceleration.
Difficulty in starting and engine hesitation after cold start can also result."
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