Untitled - Yellowstone Region - The Porsche Club of America

3Old Faithful Porsche

PORSCHE CLUB OF AMERICA - YELLOWSTONE REGION

Old Faithful Porsche is the official newsletter of the Porsche Club of America - Yellowstone Region.

2018 Yellowstone Region Executive BoardDirectorFrank [email protected]

DirectorMike [email protected]

DirectorDwight [email protected]

TreasurerCody Mulligan(307)[email protected]

PresidentNewsletter Co-EditorGreg Wallace(307) 200-1924 [email protected]

Vice President

Secretary Bobbie [email protected]

DirectorEric Weber(307) [email protected]

Cover Photo

Newsletter Contents

President’s Message ......................................................4Sun Valley Tour ..............................................................4Summer Driving Tour ..................................................4Who are RON and MON ............................................5

Tourque vs Horsepower ..............................................8Membership..................................................................10Advertiser Index ........................................................10

WebmeisterKed [email protected]

Newsletter Co-EditorMark [email protected]



Spring is the time for change here in Jackson. The grassis starting to green and yet snow showers just will notleave us alone. Many of us are beginning to pull ourcars out of storage, but maybe it’s just a bit too soon.Things have also been changing for YELPCA.

In January, we had our annual meeting where we re-elected our board members. Jim Wunsch, President;Greg Wallace, Vice President; Cody Mulligan,Treasurer; Bobbie Reppa, Secretary; Tour & AutocrossChair, Dwight Reppa; Tour & Activities Chair, FrankForelle, Activities Chair, Eric Weber. Mike Mielke willbe stepping off this June 1st and just recently, JimWunsch decided to step down as President, and now Ihave assumed that role temporarily.

So, this is a plea to our membership to get involved. Ifwe don’t get more folks involved, I feel that the few ofus who are, just cannot continue to keep the club active.I do not have the time to be President, but will continueon as VP. I am in the process of transitioning thenewsletter, this is my 5th year, to Mark Kaczor.

So let me know as soon as possible if anyone wouldlike to take over the Presidents position and continueon with the club?

SUMMER / FALL DRIVING TOUR to

BUFFALO, WY & RED LODGE, MT

September 7-9, 2018

A block of ten rooms have been reserved in Hailey, ID forthis event ( formerly known as the Sun Valley Rally ), butunfortunately, since the rooms were reserved for our group,I have been informed that the SNRA ( Sawtooth NationalRecreational Area ) has for the first time, denied a spectatorpermit for the event this year.

Both the Car Show on Friday evening and the Speed Eventon Saturday will take place, but we would only be able toattend the Car Show.

The promoters have assured me that they are making everyeffort to come up with an alternative spectator event, butthere is nothing in place at this time.

You will be notified if a new event is scheduled.

Regards, Marty Quadland, Activity Chair.

SUN VALLEY TOUR de FORCEJuly 27-29, 2018

This trip is all about the cars, roads and scenery with littletime for other activities other than cocktails, dinner andevening socializing.

Day 1:

7:30 AM. Meet at Dornan's for safety talk etc.

8:00 AM. Departure. Dornan's - Riverton,WY 4hrs / 150miles ( Togwotee Pass ) with 20 minute rest stop inDubois,WY.

12-1:30 PM Lunch in Riverton,WY Restaurant TBD.

1:30-3:30 PM Riverton,WY - Worland,WY 1hr / 45 min /88miles ( Wind River Canyon ) with 15 minute rest stop inWorland WY.

3:30-5:30 PM Worland, WY - Buffalo,WY 2hrs /90 miles (Ten Sleep Canyon and Powder River Pass )

Day 1: total miles 341

Day 2:

8AM Departure. Buffalo,WY - Sheridan,WY - Burgess

Junction,WY 1hr / 40 minutes/ 86 miles ( Black Mountain )

with 20 minute rest stop in Burgess Junction, WY

10AM-12PM Burgess Junction - Cody, WY 2hrs / 100 miles( Granite Pass and Shell Canyon )

continued on page 9

President’s Message



If you look closely at the gas pump the next time you’refilling up your car’s tank, you’ll see that the different typesof octane available at the pump are measured using the(RON + MON) / 2 method. Here in South Florida the typicaloctane ratings (also known as gasoline grades) are 87, 89, 91and 93.

But what exactly is octane and who are RON and MON?

When crude oil is “cracked” or refined, it breaks down toproduce hydrocarbon chains of different lengths:

Methane (CH4) with one single carbon atom

Ethane (C2H6) with two carbon atoms

in the chain

Propane (C3H8) with three carbon atoms in

the chain

Butane (C4H10) with four carbon atoms in the chain

Pentane (C5H12) with five carbon atoms in the chain

Hexane (C6H14) with six carbon atoms in the chain

Heptane (C7H16) with seven carbon atoms in the chain

Octane (C8H18) with eight carbon atoms in the chain

Nonane (C9H20) with nine carbon atoms in the chain

Decane (C10H22) with ten carbon atoms in the chain

and others, including Kerosene, Fuel Oil, Lubricating Oils,Grease, Vaseline, Parafin Pitch, Tar and Petroleum Coke,each one with consecutively longer carbon chains with upto 26 or more carbon atoms in the chain as is the case ofPetroleum Coke.

In an internal combustion engine, its compression ratio is asingle number that can be used to predict the performanceof the engine. It is the ratio between the maximum volumeof the combustion chamber and cylinder, when the piston isat the bottom of the stroke and the minimum volume whenthe piston is at the top of its stroke.

In a properly-firing cylinder, the spark plug ignites theair/fuel mixture at just the right time and a flame front startson one side of the piston and burns across the top to the otherside, which creates a rapid and evenly-expanding gas thatpushes down on the top of the piston and thus makes theengine rotate its main shaft. When the air/fuel mixture isignited prior to the spark plug firing as with pre-ignition, thetwo flame fronts collide, causing a pinging and knockingnoise and a loss of peak power.

High performance cars generally have high compressionengines, such as the ones found in our normally-aspirated,flat-6 Porsches, because the higher the compression ratio, themore mechanical energy an engine can squeeze from itsair/fuel mixture. However, higher compression ratios alsomake detonation more likely.

An octane number or octane rating is a measure of theresistance of gasoline and other fuels to self-ignite or pre-ignite due to compression in an internal combustion engine.As the compression ratio of an engine increases, so does therequired octane number of gasoline if you want to avoidknocking.

In order to account for differences in the performance qualityof gasolines, two engine octane numbers are routinely used:The most common type of octane rating worldwide, RON(Research Octane Number – simulates the fuel performanceunder low severity engine operation) and is determined byrunning the fuel in a test engine with a variable compressionratio at 600 rpm, and MON (Motor Octane Number – whichsimulates the fuel performance under more severe engineoperation using the same test engine but with a preheatedfuel mixture, at 900 rpm and with variable ignition timing tofurther stress the fuel’s knock resistance). The octanenumber is then reported as the average therefore we see:RON + MON / 2.

It turns out that heptane (C7H16) handles compression verypoorly. Compress it just a bit and it self-ignitesspontaneously. Octane (C8H18), on the other hand, handlescompression very well – you can compress it quite a bit andnothing happens.

Who are RON and MON?by Pedro P. Bonilla (GCR PCA)

continued on page 8

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continued from page 4 Summer Drive

12PM-1:30 PM Lunch in Cody,WY Restaurant TBD

1:30PM-4:30PM Cody,WY - Red Lodge,MT 3hours / 110miles ( Dead Indian Pass, Chief Joseph's Scenic Highway,Bear Tooth Pass ).

Day 2: total miles 296

Day 3:

9-10 AM Departure. Red Lodge,MT - Jackson,WY 6 - 7hrs

/ 230 miles ( Bear Tooth Pass, YNP ) with 20-30 minute rest

stop in Cooke City,MT Hotels / Restaurants ( Dinner ).

Friday, September 7, 2018 Holiday Inn Express, Buffalo,WYA block of ten rooms has been reserved for our group(Yellowstone Porsche Club). Confirmation #64958834.Blocked rooms can be booked individually until August 5,2018. Booking after that date is subject to availability. Phone:307-684-9900. Dinner reservations will be made for ourgroup at the Winchester Restaurant across the street.

Saturday, September 8, 2018 Rock Creek Resort, Red Lodge,MT. A block of ten rooms has been reserved for our group(Yellowstone Porsche Club ). Holly Lucara is the contact 406-445-0457. Blocked rooms can be booked individuallyuntil August 7,2018. Booking after that date is subject toavailability. Dinner arrangements will be made at the onsiterestaurant at Rock Creek Resort.

Regards, Marty Quadland, Activity Chair.



By definition, the RON and MON of n-heptane and iso-octane are exactly 0 and 100.

So, ninety-three-octane gasoline is gas that contains 93%octane and 17% heptane (or some other combination of fuelsand additives that have the same performance of the 93/17combination of octane/heptane.

Other fuels and their RON and MON values are as follows:

An octane number doesn’t relate to the energy content of fuelas some people tend to believe, it is just a measure of thefuel’s tendency to burn in a controlled manner rather thanexploding in an uncontrolled manner.

Another misconception that some people have regardinggasoline is that if they use a higher octane level thanrecommended by the manufacturer they can obtain bettergas mileage or higher horsepower. That is not so becauseswitching to a higher octane rating doers not add any morehydrocarbon or oxygen content. The different octane ratingsexist so that each particular engine can have the best fuelpossible due to its internal design (compression ratio).

However, burning fuel with a lower octane rating thanrecommended often reduces the power output or efficiency

on the engine because of the knocking. Modern Porscheshave anti-knocking systems integrated into the engine whichare controlled by the ECU (engine control unit or maincomputer). These systems retard the ignition timing toreduce the tendency to detonate, but by the same tokenretarding the timing reduces power output and fuelefficiency.

To obtain the maximum power out of your engine, followthe manufacturer’s recommendation for gasoline octanerequirements for your particular engine.

For more information, please feel free to visit my web pagesat www.PedrosGarage.com.

Happy Porsche’ing,

Pedro

Call 954.385.0330 technolab/pedrosgarageFlorida Pre-Purchase Inspections (PPI)

technolab

954.385.0330 • www.PedrosGarage.com

We also offer: Bolt-on HP kits, ECU Chip, HID/LED Performance Parts, Brake Caliper Restoration & Painting, AX & DE Magnetic Bras and Numbers, much more.

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Nancy ClancyAssociate Broker(307) [email protected]

proud supporter of the yellowstone region porsche club

Real Estate on Higher Ground



“Please welcome our newest members”

Old Faithful Porsche NewsletterThe views or comments expressed in the Old FaithfulPorsche newsletter are not necessarily those of the PorscheClub of America or the Yellowstone Region. Old FaithfulPorsche is published expressly for the information andentertainment of the Porsche Club of America -Yellowstone Region, its members and supporters. OldFaithful Porsche assumes no responsibility for anysubmissions. All submissions become property of OldFaithful Porsche unless other arrangements are made withthe editor and president. Reprints from this Newsletter arenot permitted without prior permission from the Editor. Send editorial submissions to:

Greg Wallace(307) [email protected]

Visit the Yellowstone Region web site at: http://yel.pca.org/

Advertising PolicyClassified ads are free for PCA members, but aresubject to available space in the newsletter. Businessad rates are specified below and are annual full colorrates. Send your ad text and jpg poto (if available) to: [email protected]

Back Cover ................................... $680Inside Back Cover ....................... $650Inside Front Cover ...................... $650Center Double Truck ................... $1000Full Page ....................................... $600Half Page ...................................... $350Quarter Page ................................ $240Business Card .............................. $170

Advertiser Index

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