vancouver, high octane gas
- Thread starter Pinstripe inc.
- Start date
Hi Pinstripe. Chevron has 94 octane readily available around here, just super pricey. I run that exclusively, no additive or booster, in my '72 CS with dual 32/36 Webers.
Pinstripe inc.
Well-Known Member
Thank you so much. I’m less concerned about price because I only occasionally take it out for a spin.
stphers
Well-Known Member
Some Shell stations carry the higher octane, not all Chevron is a quality gas, contains combustion chamber cleaners and I believe, no ethanol in the high octane fuels
Thanks, Rick
Thanks, Rick
I've been using 91 octane PUL in my BMW's since 1984 or so. I try to get ethanol free fuel when I can, but that's not always available. I sometimes can find 92 octane here on the West Coast - but not that often. Regardless - If I can, I run ethanol free gas (and that is 91 regardless - at least for me here near Seattle).
Back in 1986, I rebuilt the M10 in my 2002 with 9.5/1 pistons and used a stock tii mechanical advance distributor (no vac advance). Standard premium gas worked great.
I have a stock set up in the 2.8L M30 in the 728i. No problems there either. I understand that motor has 9.3/1 compression - similar to what I had in the 2002.... 91 octane is fine for me.
I also use that fuel in the M90 @sfdon installed in the E9 a short time ago. Never had any issues with detonation with any of these cars.
One source I use for finding ethanol free fuel is the listings at https://www.pure-gas.org/
Good luck -
Back in 1986, I rebuilt the M10 in my 2002 with 9.5/1 pistons and used a stock tii mechanical advance distributor (no vac advance). Standard premium gas worked great.
I have a stock set up in the 2.8L M30 in the 728i. No problems there either. I understand that motor has 9.3/1 compression - similar to what I had in the 2002.... 91 octane is fine for me.
I also use that fuel in the M90 @sfdon installed in the E9 a short time ago. Never had any issues with detonation with any of these cars.
One source I use for finding ethanol free fuel is the listings at https://www.pure-gas.org/
Good luck -
My coupe with Zeniths runs fine on 89 octane and only occasionally do I use 91 octane. And our gas has ethanol in it as well, I don’t see why you would need anything more.
If that's the case, be sure you keep some STA-BIL in the tank. Gas (especially with ethanol) gets old very quickly.
For a car sitting in a high moisture environment (and is not driven that often) ethanol in your fuel is not your friend. Ethanol attracts water (vapor or liquid) and when collected, concentrates the water in the low point of your fuel system. Over time, that water can cause all sorts of problems - like rusted tanks or fuel lines. Up here in Oregon/Washington/BC (west of the Cascades) - there are several months of the year where the humidity is very high and temps are so clammy that moisture collects everywhere.
Including inside gas tanks...
For cars or equipment that are used frequently (ie - the fuel does not get more than a few weeks or so old between fill-ups) - not really a big deal.
But, some of my cars sit for many months (or years in the case of the Mustang) between being driven to any degree. So - I take precautions.
I need to.
FYI - I use ethanol free fuel for all my power equipment and 'old' cars. I keep about 50 gallons of gas on hand in my shop for my power equipment and generators in case I loose power (I will use about 12/15 gallons a day if I need to run both of them). When folks ask if I loose power often, I chuckle and respond that I don't have one generator. I have two.
The absolute last thing I want to have are issues with my generators when I need to use them.
Every year I cycle the fuel I keep in my shop through my regular cars (911 or Escalade or 740i - whatever needs some gas) and fill all the gas cans with fresh ethanol free fuel (using Staybil of course).
And even for cars that are driven often, water can be an issue Take my Ford PSD F250... It has a water/fuel separator (its a diesel). When I drain that bowl (in the seperator) every couple of years, I get decent amounts of water out of that device.
I may over do it - but I really don't feel like having problems with the things I have. And... I know it is not the best to let these things sit (motors) - so if I can do something to prevent a preventable problem in that regard... I am all in.
YMMV of course....
Including inside gas tanks...
For cars or equipment that are used frequently (ie - the fuel does not get more than a few weeks or so old between fill-ups) - not really a big deal.
But, some of my cars sit for many months (or years in the case of the Mustang) between being driven to any degree. So - I take precautions.
I need to.
FYI - I use ethanol free fuel for all my power equipment and 'old' cars. I keep about 50 gallons of gas on hand in my shop for my power equipment and generators in case I loose power (I will use about 12/15 gallons a day if I need to run both of them). When folks ask if I loose power often, I chuckle and respond that I don't have one generator. I have two.
The absolute last thing I want to have are issues with my generators when I need to use them.Every year I cycle the fuel I keep in my shop through my regular cars (911 or Escalade or 740i - whatever needs some gas) and fill all the gas cans with fresh ethanol free fuel (using Staybil of course).
And even for cars that are driven often, water can be an issue Take my Ford PSD F250... It has a water/fuel separator (its a diesel). When I drain that bowl (in the seperator) every couple of years, I get decent amounts of water out of that device.
I may over do it - but I really don't feel like having problems with the things I have. And... I know it is not the best to let these things sit (motors) - so if I can do something to prevent a preventable problem in that regard... I am all in.
YMMV of course....
Pinstripe inc.
Well-Known Member
many thanks, back in Ottawa Shell had the highest octane,95.
For a car sitting in a high moisture environment (and is not driven that often) ethanol in your fuel is not your friend. Ethanol attracts water (vapor or liquid) and when collected, concentrates the water in the low point of your fuel system. Over time, that water can cause all sorts of problems - like rusted tanks or fuel lines. Up here in Oregon/Washington/BC (west of the Cascades) - there are several months of the year where the humidity is very high and temps are so clammy that moisture collects everywhere.
Including inside gas tanks...
For cars or equipment that are used frequently (ie - the fuel does not get more than a few weeks or so old between fill-ups) - not really a big deal.
But, some of my cars sit for many months (or years in the case of the Mustang) between being driven to any degree. So - I take precautions.
I need to.
FYI - I use ethanol free fuel for all my power equipment and 'old' cars. I keep about 50 gallons of gas on hand in my shop for my power equipment and generators in case I loose power (I will use about 12/15 gallons a day if I need to run both of them). When folks ask if I loose power often, I chuckle and respond that I don't have one generator. I have two.
Every year I cycle the fuel I keep in my shop through my regular cars (911 or Escalade or 740i - whatever needs some gas) and fill all the gas cans with fresh ethanol free fuel (using Staybil of course).
And even for cars that are driven often, water can be an issue Take my Ford PSD F250... It has a water/fuel separator (its a diesel). When I drain that bowl (in the seperator) every couple of years, I get decent amounts of water out of that device.
I may over do it - but I really don't feel like having problems with the things I have. And... I know it is not the best to let these things sit (motors) - so if I can do something to prevent a preventable problem in that regard... I am all in.
YMMV of course....
many thanks,,For a car sitting in a high moisture environment (and is not driven that often) ethanol in your fuel is not your friend. Ethanol attracts water (vapor or liquid) and when collected, concentrates the water in the low point of your fuel system. Over time, that water can cause all sorts of problems - like rusted tanks or fuel lines. Up here in Oregon/Washington/BC (west of the Cascades) - there are several months of the year where the humidity is very high and temps are so clammy that moisture collects everywhere.
Including inside gas tanks...
For cars or equipment that are used frequently (ie - the fuel does not get more than a few weeks or so old between fill-ups) - not really a big deal.
But, some of my cars sit for many months (or years in the case of the Mustang) between being driven to any degree. So - I take precautions.
I need to.
FYI - I use ethanol free fuel for all my power equipment and 'old' cars. I keep about 50 gallons of gas on hand in my shop for my power equipment and generators in case I loose power (I will use about 12/15 gallons a day if I need to run both of them). When folks ask if I loose power often, I chuckle and respond that I don't have one generator. I have two.
Every year I cycle the fuel I keep in my shop through my regular cars (911 or Escalade or 740i - whatever needs some gas) and fill all the gas cans with fresh ethanol free fuel (using Staybil of course).
And even for cars that are driven often, water can be an issue Take my Ford PSD F250... It has a water/fuel separator (its a diesel). When I drain that bowl (in the seperator) every couple of years, I get decent amounts of water out of that device.
I may over do it - but I really don't feel like having problems with the things I have. And... I know it is not the best to let these things sit (motors) - so if I can do something to prevent a preventable problem in that regard... I am all in.
YMMV of course....
Well, interesting topic for sure. I have had a habit over many decades with my old '60's Healeys, of trying to find the highest octane fuel I could put into their gas tanks. And did the same with my Coupe. Plus, until only recently, the Chevron 94 had no ethanol, which has been linked to the decay of the rubber parts of their fuel systems. I have begun replacing parts that are now made to resist ethanol damage in these old British cars. So, began to wonder about fuel "potency" today. And I came across a video, filmed up here in the Lower rainland of BC by an enthusiast who wanted to rate the available fuels for HP and for torque, among other things. I do not know this person, and have no connection to whatever businesses he is affiliated with, and also cannot explain his methods or his results, but....it is a very interesting and detailed analysis of the impact of different fuels when run through a pretty sweet Audi and measured on a dyno. Perhaps you will find this interesting too.
Octane is only = resistance to knock from burning slower, so unless you’re running very high compression and/or a lot of timing it’s no benefit. So I prefer ethanol free (readily available here in FL) which has a more efficient burn and thus more power and efficiency than ethanol gas. And no water attraction which is also readily available here 