Re: 100,000 mile spark plugs....
From: robert_h_bowser [at] juno.com (robert_h_bowserjuno.com)
Date: Wed, 12 Mar 2008 22:22:49 -0700 (PDT)
Mike -

No.  I've never had a problem with oil usage under normal conditions.  Uses a 
quart every 1-2K miles.

I did burn a quart or more over a 59 mile open road course, but that was at WOT 
in 5th gear most of the time (5500 to 6500rpm), averaging 147mph.

Some of the Zs had an oil usage problem.  I guess mine was not one of them.

Bob

-- Mike <themightytoe [at] gmail.com> wrote:
Bob,

Did you ever have the rings worked on in your Z?  My Z got so that it burned
a quart of oil every 300 miles before I spun the main bearings at Motor
Sport Ranch one summer...  Just curious...  

Mike

-----Original Message-----
From: robert_h_bowser [at] juno.com [mailto:robert_h_bowser [at] juno.com] 
Sent: Wednesday, March 12, 2008 10:10 PM
To: Mike Fleischer
Cc: The FerrariList
Subject: Re: [Ferrari] 100,000 mile spark plugs....

Actually, the gap on the plugs in the picture is 0.60in., and is the
recommended gap.  I checked the plugs I took out, and they were all right
around 0.60in.  Gap had not changed significantly in all those 102,124
miles.

I set the gap on my 308 plugs to 0.45in, as I have electronic ignition
installed.  Seems to work fine.

Bob

-- "Robert W. Garven Jr." <rgarven [at] gmail.com> wrote:
wow that gap is around 10 times the ferrari gap!!


On Mar 11, 2008, at 11:39 PM, robert_h_bowser [at] juno.com wrote:

> As racing season is coming up, I decided to change the spark plugs  
> in my Z06.  Never done that before.  The car has 102K miles on it,  
> all on the same set of plugs.  I've run the car in 24 Open Road  
> Races, so about 2400 of those miles were at 140+ mph.  Most of the  
> rest were freeway miles, but I expected some significant wear on the  
> electrodes.  I (with much difficulty) pulled them out, and, much to  
> my surprise,...they looked pretty much brand new.  Few deposits.   
> Little change to the electrodes.  Amazing.
>
> I've attached a picture.  New vs. old plugs.
>
> Bob
> '78 308GTS
> '01 Corvette Z06
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