Ditto on Bosch 4477 plugs. They are listed at FLAPS as Volvo plugs. 

Chris.

Wysłane z iPhone'a

Dnia Mar 8, 2012 o godz. 20:02 Dennis Haynes <d23haynes57@HOTMAIL.COM> napisał(a):

> The stock spec is .028". going to .030 or .032 should be fine and is a
> common setting for many vehicles of that era. The water boxer does tend to
> erode the center electrode over time. A reasonable replacement interval is
> 15,000 miles. Platinum's can go longer as the center electrodes don't wear.
> While not listed for the application I like the Bosch Quad plugs, #4477.
> These help to smooth out the idle and lower HC emissions as they miss fire
> less.
> 
> Dennis
> 
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Jim McGuckin
> Sent: Thursday, March 08, 2012 5:33 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Spark plug gap
> 
> Have an 83 1.9L wtb vanagon just seeing what people think is the best spark
> plug gap to run.
> 
> Sent from MAC's iPhone