SuzukiSavage.com - quit your whinng

rfw2003

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Re: quit your whinng
Reply #15 - 04/13/13 at 12:39:58

paulmarshall wrote on 04/13/13 at 12:28:22:

To be honest I don't know that much about fuel. Embarrassed

Higher octane fuel actually has less potential for power then lower octane fuel, because of the additives in it that decrease it's ability to self ignite.

So using a higher octane fuel then needed is just a waste of money as it doesn't benefit you at all.

You using 98 octane fuel in a production engine is a big waste of money, you would need to be either using it on a engine that has 12:1 or greater compression or 10:1 with boost of more then 15 psi going into it.

Of course I'm giving rough est. on this and not including anything to do with the camshafts in the engine which can also effect what octane you can get away with. I'm going by normal production engines as they come out of the factory for normal vehicles not those custom built for racing purposes.

R.F.

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paulmarshall Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1268 Carterton,New Zealand Gender:	Re: quit your whinng Reply #16 - 04/13/13 at 13:00:14 RF you have just taught me something new, Thanks. So for those of us that live south of the equator 91 octane is the prefered fuel?
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rfw2003

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Re: quit your whinng
Reply #17 - 04/13/13 at 13:12:16

paulmarshall wrote on 04/13/13 at 13:00:14:

RF you have just taught me something new, Thanks.
So for those of us that live south of the equator 91 octane is the prefered fuel?

I'm guessing 91 Octane is your reg fuel being the low octane offered at the pump. If so then yes that would be your preferred fuel on most vehicles. Now if you were driving a sports type car you might want to go up to the mid grade as most of those have a 10:1 or a 10.5:1 compression that will benefit from the better grade fuel. By sports car I'm talking something like Mustangs, Camaros, Vettes and the imports (imports to us that is) that are the equivalents of those.

R.F.

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apache snow-FSO Serious Thumper Offline Posts: 509 Gender:	Re: quit your whinng Reply #18 - 04/13/13 at 13:16:25 It depends what part of the world you live in and how the octane is rated, RON, MON, or AKI. http://en.wikipedia.org/wiki/Octane_rating
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paulmarshall Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1268 Carterton,New Zealand Gender:	Re: quit your whinng Reply #19 - 04/13/13 at 13:17:52 Yes 91 is our lowest octane fuel. There is also 95 and 98.
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jcstokes Serious Thumper Offline SuzukiSavage.com is very useful Posts: 2119 Mauku New Zealand Gender:	Re: quit your whinng Reply #20 - 04/13/13 at 16:34:39 Well Apache, your Wikipedia taught me something, I would have thought the MON of our 91 RON would have been about 87 not 82/ 83
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rfw2003 Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1108 Yantis, TX	Re: quit your whinng Reply #21 - 04/13/13 at 16:49:30 in the U.S. we use the AKI for octane rating which is the (Mon + Ron) / 2 So for those in countries that use a different method what your looking for in normal engines is around 87 to 89 octane using the AKI method. R.F.
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paulmarshall

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Re: quit your whinng
Reply #22 - 04/13/13 at 17:30:33

in the U.S. we use the AKI for octane rating which is the (Mon + Ron) / 2
So for those in countries that use a different method what your looking for in normal engines is around 87 to 89 octane using the AKI method.

[ So I am using the right stuff. Thought so. I can remember back a few years when our 98 super use to be 98 Reg, and our super octane was higher still.
I do know that a lot of big american classic cars use 98 and have to add a octane additive so there cars run right here in NZ.

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jcstokes Serious Thumper Offline SuzukiSavage.com is very useful Posts: 2119 Mauku New Zealand Gender:	Re: quit your whinng Reply #23 - 04/13/13 at 19:04:24 Paul, forgive me if I've misinterpreted you, but you would be fine on NZ 91RON or 87 AKI
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paulmarshall Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1268 Carterton,New Zealand Gender:	Re: quit your whinng Reply #24 - 04/13/13 at 23:03:24 jcstokes wrote on 04/13/13 at 19:04:24: Paul, forgive me if I've misinterpreted you, but you would be fine on NZ 91RON or 87 AKI 91 it is then.
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Re: quit your whinng
Reply #25 - 04/13/13 at 23:14:26

paulmarshall wrote on 04/13/13 at 12:05:35:

In New Zealand it would be $US 7.O5 per US gallon approximately.

Hmm, at 4 mpg, and a 60 gallon tank... no wonder I've never seen pics of antique American big block powered motorhomes down there... How can you guys have a traditional hot rod and custom culture at those fuel prices? I've seen some pretty neat USA market vehicles coming out of NZ, those guys are nuts.

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rfw2003

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Re: quit your whinng
Reply #26 - 04/13/13 at 23:22:43

I'd never make it down there in NZ with my truck getting an avg of 8 mpg, it's bad enough as it is with our prices of over $3 per gallon and summer is coming so I can see it hitting $4 per gallon before the summer is over with.

I might just have to come up with a way to make a small trailer and then add a hitch to the Savage to do my grocery shopping.

R.F.

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paulmarshall Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1268 Carterton,New Zealand Gender:	Re: quit your whinng Reply #27 - 04/13/13 at 23:24:19 We are prob one of the most $$$ when it comes to fuel in the world.
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Re: quit your whinng
Reply #28 - 04/13/13 at 23:32:20

rfw2003 wrote on 04/13/13 at 23:22:43:

I'd never make it down there in NZ with my truck getting an avg of 8 mpg, it's bad enough as it is with our prices of over $3 per gallon and summer is coming so I can see it hitting $4 per gallon before the summer is over with.

I might just have to come up with a way to make a small trailer and then add a hitch to the Savage to do my grocery shopping.

R.F.

Saddle bags and an alice pack...you'd be amazed what fits in an Army surplus back pack.

My trucks get: 1949 Dodge, when it runs, 12-16; 1969 Dodge 6-9; 1985 C10 16-24; 1994 Ranger23-26. That's with 218 cid flathead 6/3spd manual, 318 V8/3spd auto, 4.3L V6/3spd auto, 2.3L I4/5spd manual. The 1987 gets measured in gallons per mile, C60 bucket truck with a 350 industrial and a PTO equipped 4 speed manual.

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Jiggyfly Full Member Offline SuzukiSavage.com Rocks! Posts: 144	Re: quit your whinng Reply #29 - 04/13/13 at 23:47:32 Octane rating is a resistance to detonation. (Pre-ignition) The lowest octane fuel you can run without detonation, the more HP your bike will make. Oxygenated race fuels skew this formula a bit. $25 a gallon VP at Daytona International Speedway yielded some interesting results!
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