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Date:         Wed, 22 Aug 2012 07:00:05 -0700
Reply-To:     Rocket J Squirrel <camping.elliott@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Rocket J Squirrel <camping.elliott@GMAIL.COM>
Subject:      Re: New-Spark-Plugcebo Effect
Comments: To: Dennis Haynes <d23haynes57@hotmail.com>
In-Reply-To:  <BAY152-ds10AC1DF529FDD6200E7C54A0BF0@phx.gbl>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

I take back my question about higher-octane gasoline. Woke up this morning realizing that it was a silly suggestion. The higher octane prevents detonation caused by high compression, has nothing to do with where the charge is ignited.

-- Jack "Rocket j Squirrel" Elliott 1984 Westfalia, auto trans, Bend, Ore.

On 08/21/2012 06:45 PM, Dennis Haynes wrote: > Yes, all the in line 4/Audi 5 engines used the "D" reach plugs. > > -----Original Message----- > From: Rocket J Squirrel [mailto:camping.elliott@gmail.com] > Sent: Tuesday, August 21, 2012 9:33 PM > To: Dennis Haynes > Cc: vanagon@GERRY.VANAGON.COM > Subject: Re: New-Spark-Plugcebo Effect > > I have to assume that the VW engineers picked plugs with a certain reach as > appropriate for the engine (1.9). Were longer reach plugs, such as the "D" > ones, available at the time? > > W/r/t the risk of increased ping caused by plugs firing closer to the top of > the pistons, couldn't one compensate by using higher-octane fuel? > > Not that I'm a great big fan of buying even more expensive gasoline, but I > do like the peppiness these plugs provide. > > -- > Jack "Rocket j Squirrel" Elliott > 1984 Westfalia, auto trans, > Bend, Ore. > > On 08/21/2012 05:49 PM, Dennis Haynes wrote: >> I can't blame just those plugs for major failures but it can add up. >> But when holding the heads in my hand I see that the extended reach >> plugs just don't look right. >> >> Dennis >> >


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