Fuel?

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Fuel?

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Fuel? - 11/6/2007 10:32:03 PM

vjm530

Posts: 25
Joined: 11/6/2007
Status: offline

Bought a clean '97 4.0 Land Rover with 148k miles and love it. My question is, the manual says, "Only use Premium Octane gas'." Can anyone tell me if it's possible to use a lower octane or recommendation? With gas prices in California what they are it would sure help. If not . . . oh well. Thanks for any input.

Post #: 1

RE: Fuel? - 11/7/2007 5:41:00 AM

Disco Mike

Posts: 9596
Joined: 4/27/2006
Status: offline

With regular 87 octane, you will carbon up the engine, loose power and about 2 MPG.
Main reason is that if you carbon up your heads, you can damage your valves and boy it isn't worth it.

_____________________________

Mike
Retired service manager. Member of the Solihull Society, NCLR club,past member of the SCLR club and Santa Barbara 4 Wheelers.
99 D2, 3" lift, lockers, H.D. axles, 4:11 gears, Custom front and rear bumpers, Warn winch, HID lights and an Engel 45.

(in reply to vjm530)

Post #: 2

RE: Fuel? - 11/7/2007 6:30:44 AM

Landzu

Posts: 1825
Joined: 4/7/2005
From: Dallas TX
Status: offline

Its a pay now or,,,,,,,pay later.
Pay now its much better.

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I do not need the National Geographic channel
I just look out the windows of my Land Rover
Discovery code name Romulus
Prefix-N or 1996

(in reply to Disco Mike)

Post #: 3

RE: Fuel? - 11/7/2007 7:23:21 AM

vjm530

Posts: 25
Joined: 11/6/2007
Status: offline

Thanks for the honest answers. This is a great forum and I'm sure I will get a lot of mileage from it. Thanks again.

(in reply to Landzu)

Post #: 4

RE: Fuel? - 11/7/2007 8:07:25 AM

Disco Mike

Posts: 9596
Joined: 4/27/2006
Status: offline

If you want to improve your mileage consider, new 02 sensors, new Magnacor plug wires and a good set of Bosch Platium Plus 4 plugs.

_____________________________

Mike
Retired service manager. Member of the Solihull Society, NCLR club,past member of the SCLR club and Santa Barbara 4 Wheelers.
99 D2, 3" lift, lockers, H.D. axles, 4:11 gears, Custom front and rear bumpers, Warn winch, HID lights and an Engel 45.

(in reply to vjm530)

Post #: 5

RE: Fuel? - 11/8/2007 12:13:04 PM

bavarian_range89

Posts: 66
Joined: 10/25/2007
From: Rock Hill, SC
Status: offline

I started out using premium 93 octane, but I have been using mid-grade ever since gas exceeded $3.00/gallon in South Carolina for my '02 Range Rover. I know the minimum recommended rating is 91, but I just assumed 89 would be okay. Is the 89 doing me damage?

(in reply to Disco Mike)

Post #: 6

RE: Fuel? - 11/14/2007 2:04:36 AM

rumpig70

Posts: 18
Joined: 10/4/2007
Status: offline

i have an 93 RR v8 which i run on nothing less than 95 octane and it killed me to keep the fuel up to it. I went out and brought a pod fillter,it cost me close to $60 aus for all connections and fitting is easy but it has cut my fuel bill by more than a third and in 2 weeks i`ve saved more than the cost of the parts and the time spent was more than worth it..

(in reply to bavarian_range89)

Post #: 7

RE: Fuel? - 11/14/2007 5:57:53 AM

Disco Mike

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Joined: 4/27/2006
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quote:

ORIGINAL: bavarian_range89

I started out using premium 93 octane, but I have been using mid-grade ever since gas exceeded $3.00/gallon in South Carolina for my '02 Range Rover. I know the minimum recommended rating is 91, but I just assumed 89 would be okay. Is the 89 doing me damage?

You know what they say about assuming???
You will cost your self more in repairs and maintance using anything less then 91 octane, as well as loose at least 1 MPG.

_____________________________

Mike
Retired service manager. Member of the Solihull Society, NCLR club,past member of the SCLR club and Santa Barbara 4 Wheelers.
99 D2, 3" lift, lockers, H.D. axles, 4:11 gears, Custom front and rear bumpers, Warn winch, HID lights and an Engel 45.

(in reply to bavarian_range89)

Post #: 8

RE: Fuel? - 11/14/2007 5:58:45 AM

Disco Mike

Posts: 9596
Joined: 4/27/2006
Status: offline

What is this Pod Filter you mentioned?

_____________________________

Mike
Retired service manager. Member of the Solihull Society, NCLR club,past member of the SCLR club and Santa Barbara 4 Wheelers.
99 D2, 3" lift, lockers, H.D. axles, 4:11 gears, Custom front and rear bumpers, Warn winch, HID lights and an Engel 45.

(in reply to rumpig70)

Post #: 9

RE: Fuel? - 11/15/2007 1:33:22 AM

rumpig70

Posts: 18
Joined: 10/4/2007
Status: offline

its like a high performance air fillter they use alot on turbo motors,its a cone shape and the total surface area is fillter it gives greater air flow to the engine eg: better performance and less fuel.in oz they range from $30 to $130 the later being a washable one which they say can last up to 200,000 klm you can also get adapters to create your own cold air intake.

(in reply to Disco Mike)

Post #: 10