Ferrari Mailing List: Re: Fw: spark plugs 1981 308 GTSi

[Doug and Terri Anderson (dnt]

Which spark plugs?  What gap?  Yes, those questions are as real today as 
they were when our cars were new and even today warrant some thought - - - 
BUT wait, there's more.

Gasoline for our 1978 308 GTS is different today than when our little 
buggies owners manual was written.  As well our early 70's Porsche.  So I 
use today's gasoline and today's igniters in yesterdays combustion chambers. 
Oh, well.
Onward
DOUG

----- Original Message ----- 
From: "David" <david [at] tynerroberts.com>
To: "DOUG" <dnt [at] dock.net>
Cc: "'The FerrariList'" <ferrari [at] ferrarilist.com>
Sent: Tuesday, March 02, 2010 6:57 PM
Subject: Re: [Ferrari] Fw: spark plugs 1981 308 GTSi


> Michael,
>
> I personally like NGK, but there's nothing wrong with Bosch.
>
> There are many websites that offer cross reference lists between the 
> various
> brands. See where the Bosch plugs fit in terms of heat range and as long 
> as
> they match what you have used previously, you'll be good to go.
>
> If the book says the gap is up to .027 and you measure them out of the box
> at .028 then that's pretty darn close. You'd be hard pressed to get them 
> as
> evenly matched as they are now, and all for the sake of one thou - it 
> ain't
> worth it IMHO.
>
> Remember also that plug technology has advanced a wee bit since 1981, so
> pretty much anything will be better than the original spec Champions. As a
> reference point, I run the absolute cheapest NGKs in the Mondial t and it
> runs just as good as it did when it had the $15 a piece iridium ones. I 
> only
> changed them after removing each plug one by one to check color and I
> dropped one. $10 for a complete set seemed better than waiting for the
> iridiums. Never bothered changing them back...
>
> Dave
>
> -----Original Message-----
> From: Michel Savard [mailto:mysavard [at] videotron.ca]
> Sent: Tuesday, March 02, 2010 10:28 AM
> To: David
> Cc: The FerrariList
> Subject: [Ferrari] Fw: spark plugs 1981 308 GTSi
>
>
> ----- Original Message ----- 
> From: Michel Savard
> To: ferrari
> Sent: Tuesday, March 02, 2010 11:39 AM
> Subject: spark plugs 1981 308 GTSi
>
>
> For many years I used NGK BP5ES and then NGK BPR7ES. The plug gap was put
> between .024" to .027" as the manual says.
>
> Today, the auto part store gave me BOSCH  SUPER PLUS 7992 WR 5 DC+. They
> couldn't find what I wanted.
> Good choice or not ?
> Next question: The gap is officially (on the box) set at .032", but it's
> more like .028".
> What should I do ?
>
> Thank you!
> Michael Savard
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