I used to flash lube, but haven't done it in approx 2yrs.
Haven't notice any adverse effects, although is probably taking its toll on the cylinder head!
As for fuel, I use Shell Premium or Caltex 95.
I find regular ulp makes it occasionally flat spot.
What fuel?
i changed to a smaller blower pulley and a higher diff ratio, stuffed things rite up, pings on 98 with octane booster any time i go to get into it, gonna start by changing the diff and then add water injection.
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Mick Jagger
- Posts: 3434
- Joined: Mon Dec 08, 2008 12:48 pm
- State: NOT ENTERED
- Location: Brisbane
mothball
ethanol is an excuse for mechanics to rip people off,
if you want more octane drop a mothball in your tank
if you want more octane drop a mothball in your tank
I worked for a fuel company few years ago, if the tanker drivers had 'left overs' that didnt fit into a tank they would dump it into another tank, they would come in and say 'I gave ya a shandie"
we sold e95, i used it in my VL 6cyl with no side affects, except consumption
used it in my HQ 253, blocked my fuel filter anc carby with gunk. but e95,e98 etc has cleaning agents that dislodge the crap out of the tank.
As everyone knows water separates from petrol, water is heavier, with ethenol water mixes into the fuel and cant be seen.
we sold e95, i used it in my VL 6cyl with no side affects, except consumption
used it in my HQ 253, blocked my fuel filter anc carby with gunk. but e95,e98 etc has cleaning agents that dislodge the crap out of the tank.
As everyone knows water separates from petrol, water is heavier, with ethenol water mixes into the fuel and cant be seen.
Guys,
The unleaded fuels of today are very different to the good old days.
Without the lead, fuels tend to burn much hotter and pre ignition tends to result in older cars because there is no knock sensors or computers to adjust the timing to suit the burn in the head chambers.
The lead also acted as a cushion for the valves and seats, this is why we get worn valves and seat damage much quicker.
Higher octane fuels burn more efficiently but you usually need more compression to see the difference.
I assume that standard greys and reds have between 6 - 8 to 1 compression so 91 to 95 will suffice. Any higher octane will probably not make any difference at all.
If you have a higher compression motor then you would want to use a better octane fuel as this will eliminate pinging, run on etc.
It is really quite a science and I think most of the time it's hit and miss with fuels especially when we all take the fuel ratings as gospel.
Even the higher octane fuels such as Avgas now have half the led content and burning rates and temperates are hard to pick.
So what I am trying to say is that experimenting is the key and by the way, unleaded fuel usually has a shelf life of 10 days before it starts to loose its efficiency.
Regards Greg
The unleaded fuels of today are very different to the good old days.
Without the lead, fuels tend to burn much hotter and pre ignition tends to result in older cars because there is no knock sensors or computers to adjust the timing to suit the burn in the head chambers.
The lead also acted as a cushion for the valves and seats, this is why we get worn valves and seat damage much quicker.
Higher octane fuels burn more efficiently but you usually need more compression to see the difference.
I assume that standard greys and reds have between 6 - 8 to 1 compression so 91 to 95 will suffice. Any higher octane will probably not make any difference at all.
If you have a higher compression motor then you would want to use a better octane fuel as this will eliminate pinging, run on etc.
It is really quite a science and I think most of the time it's hit and miss with fuels especially when we all take the fuel ratings as gospel.
Even the higher octane fuels such as Avgas now have half the led content and burning rates and temperates are hard to pick.
So what I am trying to say is that experimenting is the key and by the way, unleaded fuel usually has a shelf life of 10 days before it starts to loose its efficiency.
Regards Greg
So many cars so little time!
