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@  RegalTraveler : (22 December 2014 - 09:40 PM) Yea, I like leather, and these Regals do have just 'okay' turning radius'.
@  glendayle : (22 December 2014 - 09:10 PM) 3.0 V6 has pretty good power and that car was about the same as my Regal when it was stock as far as 0-60 and so forth.
@  glendayle : (22 December 2014 - 09:10 PM) And a 2006 is essentially a Ford.
@  glendayle : (22 December 2014 - 09:05 PM) And it's not leather and is only decently equipped.
@  glendayle : (22 December 2014 - 09:04 PM) I just hate that it is small, and the turning radius sucks(worse than our Regals).
@  glendayle : (22 December 2014 - 09:04 PM) My wife's Mazda 6 has been a good car. Virtually problem free except when she tore the radiator core support off cause she can't drive worth crap.
@  Sapias Lupus : (22 December 2014 - 08:27 PM) Hell even Nissans 80k supercar GTR has transmission issues LOL
@  Sapias Lupus : (22 December 2014 - 08:26 PM) @Crazyguy03 I googled for it but no find, you have a link lol? I want to see it.
@  RegalTraveler : (22 December 2014 - 08:10 PM) Speaking of Mazdas... What are peoples takes on them? Good/bad? I don't hear much on them good nor bad.

Although, in looking at new cars I'm curious how people view some of the other brands...Below is what I've gathered over the years.


Chrysler: You'll lose your transmission, then it'll rust out.
Ford: Great on Technology. Bad reliability the past few years, and they like to integrate parts for multiple uses, which makes repairs a pain.
GM: All have leaky engine seals; not sure about today's cars.
German cars: Great machinery, electronics are disastrous.
VW/Audi: Good performance; but high maintenance/not-easy maintenance.
Nissan: Guaranteed some kind of transmission problem.
Toyota: Drive-train Last forever, until the body and interior disintegrate into IronOxide.
Honda: Last forever, not Luxurious, not a lot of HP (although the new civics almost have enough get-up for me)
Kia/Hyundai: Not sure. They've gotten better recently, but nobody trusts the older models.

And what about Subaru?? Do they have a lot of proprietary parts you can't just go to a advanced auto for? I heard someone had to go to the Dealer for windshield wipers...
@  Crazyguy03 : (22 December 2014 - 06:38 PM) Go look at the SD header video on GPF. Amazing how they are soo thin , that under a WOT run they turn cherry red ....
@  glendayle : (22 December 2014 - 04:31 PM) I have no plans of getting a new car anytime soon. My 99 Regal and 98 Silverado are in great condition. If I were to get rid of a car, it would be my wife's 06 Mazda 6S
@  Marchi1 : (22 December 2014 - 02:23 PM) I have had Germa, Japanese, and american and over time they all have issues, its just a matter of staying on top of them. also is it cheaper to do a little maintenance versus the car payment every month?
@  RoadMonster : (22 December 2014 - 02:39 AM) I hear you Steve. Went with a German car and I'm not looking back. i do miss my buick but don't miss working on it every weekend.
@  RegalTraveler : (21 December 2014 - 11:52 PM) I've been having that debate too. Drop a couple grand and keep her for a few more years or spend 20k on something I may not necessarily want, may or may not have any issues of its own, and if I learned anything about these newer cars is that you have to take them in to perform any kind of maintenance. Heck, now-a-days you need a lift with special pucks just to jack up the car and rotate tires unless you're looking to cause some damage.
@  BlackBetty : (21 December 2014 - 08:39 AM) what are u having to fix Steve? Mine saves me money vs costs on my charts
@  steveyjr1982 : (21 December 2014 - 01:36 AM) Car is getting old and tired.
@  steveyjr1982 : (21 December 2014 - 01:24 AM) Tired of dumping money into this thing.
@  BlackBetty : (20 December 2014 - 07:47 AM) See if you can pick up a used set of TOG headers then. ive read tons of great things about them when fitment is a concern
@  Sapias Lupus : (19 December 2014 - 09:25 AM) But then again with the SD I've only heard of the fitment issues once or twice and just needing a new flex, So I probably will go with the SD. We'll see.
@  Sapias Lupus : (19 December 2014 - 09:16 AM) (Car came with Dp and Plog from PO, or I would have had headers rather)

Photo
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91 octane vs 94 octane (10% ethanol)


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13 replies to this topic

#1 Margarito

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Posted 13 March 2010 - 09:09 AM

Guys, what octane does the Series II 3800 engine like more?

I notice my car has much better fuel consumption with the 91 octane Shell V-Power which is pure gasoline and whatnot, car seems to run a little smoother maybe.

However, it seems to me, I have more explosive power with the 94 octane with 10% ethanol added, I am not 100% sure though.

I have a few questions.

Ethanol... what's the deal with ethanol, it's not 'good' for the engine is it? I know it has a high octane rating but other than that, is it possibly harmful?

I remember reading on GP forum of a guy who said he will never put any gas mixed with ethanol like Sunoco or Petro Canada do with their 94 octane, and he would rather run 91 octane with no ethanol.

Any ideas guys?

I'm still not sure what gas to use longterm... Shell V power 91 or Petro Canada 94.

Would going WOT on the highway with each gas, and seeing how many lbs of boost I get, be a good indicator of what gas is better? Making sure, that of course temperature is abou the same on both test days, or is that pointless?

Let's hear everyones thoughts on using 91 vs 94 with ethanol :)
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#2 rubberhead

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Posted 13 March 2010 - 10:19 AM

tried both, tracked the fuel mileage, similar driving conditions and found that my car likes the 91. KR didn't change much, a tad lower maybe with the 91. and its a couple pennies a litre cheaper.

/my $0.02
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#3 Geojb

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Posted 13 March 2010 - 01:50 PM

Would going WOT on the highway with each gas, and seeing how many lbs of boost I get, be a good indicator of what gas is better? Making sure, that of course temperature is abou the same on both test days, or is that pointless?

I would say pointless.
Too many variables with going WOT & temps & such to use boost as an inticator.
Calculations real ones, not DIC. would be the best for over all MPG.
For performance Track times or something that could measure 0-60 MPH times.
I thought I read somewhere tht ethonal changes the fuel ratio or we need to change "that 14.7 to 1" ratio with a tuner for best performance/KR/MPG.
Just my 0.02
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#4 djlamp14

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Posted 13 March 2010 - 07:38 PM

Ethanol is basically alcohol (rated at around 105-110 octane). It will get you more power but less gas mileage. So a little less KR (burns cooler I believe :think:) You will lose some number of MPG. Here in Minnesota a lot of the high HP guys tune and run for the E-85. They are able to run a little more stable with pulleys around 2.8 and 2.6 size. I have rode in a 11 second GP running E-85 and it will blow your balls off! >-) It also smells like Race gas
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#5 Geojb

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Posted 13 March 2010 - 10:35 PM

Aggggg, Ala Homer...... :drool:

It also smells like Race gas


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#6 djlamp14

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Posted 13 March 2010 - 10:58 PM

Aggggg, Ala Homer...... :drool:

It also smells like Race gas



...Just another positive. IMO at least.
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#7 uman44

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Posted 13 March 2010 - 11:05 PM

Ethanol is basically alcohol (rated at around 105-110 octane). It will get you more power but less gas mileage. So a little less KR (burns cooler I believe :think:) You will lose some number of MPG. Here in Minnesota a lot of the high HP guys tune and run for the E-85. They are able to run a little more stable with pulleys around 2.8 and 2.6 size. I have rode in a 11 second GP running E-85 and it will blow your balls off! >-) It also smells like Race gas



ABStiffGS's Regal was in the 11's on E85 and it smelled like corn...

Ethanol burns cooler (reducing KR), but releases fewer BTU's meaning less power per unit compared to gasoline (lower MPG). Gasoline companies add Ethanol inorder to use lower octane gasoline with Ethanol pumping up the octane.

As far as the OP's question... I always choose non-ethanol, even with the higher octane 10% stuff. However, I don't think either of us are pushing enough HP or fine tuning enough to make a difference.
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#8 MikeGS

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Posted 13 March 2010 - 11:09 PM

I liked the good old days when you could get 93 or 94 octane where there was no ethanol in it... The best of both worlds.

#9 Freddotron

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Posted 14 March 2010 - 06:38 AM

To the OP if you live in ontario imo the sunoco 94 is crap. Shell 91 Is the only thing I'll put in my tank. No exceptions. I can't speak for your 94 octane gas if your from the states. all i know is that in ontario the best gas you can get is shell 91
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#10 Margarito

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Posted 14 March 2010 - 01:34 PM

To the OP if you live in ontario imo the sunoco 94 is crap. Shell 91 Is the only thing I'll put in my tank. No exceptions. I can't speak for your 94 octane gas if your from the states. all i know is that in ontario the best gas you can get is shell 91


Im in Montreal.

I think Sunoco 94 is pretty much the same as Petro Canada 94.

Yeah Ill keep 91 V-power, thanks guys :_)
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#11 chromeGS

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Posted 14 March 2010 - 02:44 PM

my shell only has 93 with no ethinal* in it, well that is what the clerk said
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#12 MikeGS

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Posted 14 March 2010 - 08:07 PM

my shell only has 93 with no ethinal* in it, well that is what the clerk said

Never mind the clerk, look for the sticker on the pump. By law there should be on there.

#13 Crazyguy03

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Posted 14 March 2010 - 10:42 PM

Gas pumps are supposed to place the ethanol percentage somewhere where you can see it. In NY almost alll the stations say may contain up to 10% ethanol

Now my problem with that is, since we used to have Mobile being the only one NOT using ethenal, it was more expensive. Sunnoco was cheaper , offered 93 octane and had up to 10% ethanol.

Now both Mobile and Sunnoco are no longer 100% gas. As well as BP, Noco, Getty and tops etc... so anyone looking for pure gas in WNY is kinda out of luck.
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#14 Loly

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Posted 14 March 2010 - 10:55 PM

It's pretty much the same up here in Ontario...it's called "Industry Standard" and again, it's pretty much a continental thing.
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