Date: Mon, 1 Dec 2003 19:03:01 -0700 From: "jon banquer" <myfirstandlastnamenopsamo.com> Subject: Re: NGK Spark Plug Question
"Tom" <saabtechnopsamnnect.com> wrote in message news:bqd346$d4p$1nopsamta.btinternet.com... > > "jon banquer" <myfirstandlastnamenopsamo.com> wrote in message > news:bqcdt0$1vmfjp$1nopsam68325.news.uni-berlin.de... > > > > "Tom" <saabtechnopsamnnect.com> wrote in message > > news:bqc9du$579$1nopsamules.btinternet.com... > > > > > > "jon banquer" <myfirstandlastnamenopsamo.com> wrote in message > > > news:bqbh7d$1vnhrd$2nopsam68325.news.uni-berlin.de... > > > > What is the difference between NGK BCP5EV, NGK BCP6EV and > > > > NGK BCP7EV ? > > > > > > > > I have a 91 900S 16V non-turbo. The car currently has BCP6EV's. > > > > How do I know which one is right ? The car is completely stock. > > > > > > > > jon> > > > BCP 5EV = 900 16v non turbo without cat, > > > BCP 6EV = 900 16v non turbo with cat, > > > BCP 7EV = 900 16v Turbo. > > > That is up to 1993, HTH Tom, Saabtech. > > > > > > > > > > I picked up a Bentley manual last night. It mentions using the > > NGK BCP 5ES for 1989 - 1993 Normally-aspirated. What > > is the difference between the NGK BCP 5ES and the NGK > > BCP 6EV ? > > > > jon > The ES range of spark plugs are copper cored, whereas the EV range sports a > platinum tip, The EV range costs twice as much as the ES range but lasts > twice as long, Saab recommend using the EV range but with a DI pack you > have to use a resitor plug, eg BCPR 7ES on a Turbo as NGK do not make a > resistor EV plug. Under normal use it does not matter if you use ES or EV it > works out the same in the end. If you are in the states or elswhere with > tighter emmission controls than the UK you may find that there is a > different heat grade of plug depending on the configuration of the > particular emission control of that engine, eg, twin lambda sensors bla bla > bla. Dont allways trust bently and haynes manuals as being gospel, even the > 2003 NGK catalogue has a couple of differences of opinion with SAAB as to > what plug fits what car. Best place to look is your owners handbook or ring > yer dealer............. T. > > Thanks, Tom. For $4.50 a plug I and went all out and got the platinum tips. ;>) Thanks for the breakdown of what comprises the different plugs. Very helpful. jon
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