Date: Tue, 04 Apr 2006 07:37:42 GMT From: Paul Halliday <pjghnospamyonder.co.uk> Subject: Re: Which Bosch Platinum Plus 4 Should Be Used In A '89 900NT?
in article 1144134601.751766.88880nospam2000cwu.googlegroups.com, markcnospam.com at markcharlesnospamv.net wrote on 04/04/2006 08:10: > I'd like to try these plugs out because I've heard more pro than con > about using them in non-DI Saabs. Are the Plus-4 #4418 plugs the ones > to get or is there a better heat range? > Thanks for any info, > Mark Personally, I wouldn't. Classic 900s like NGK plugs. Fact! Use BP7ES if you're a hard driver in a normally aspirated car, BP6ES otherwise. You could try the cooler BCP7ES plugs, but they're more of benefit for the turbo cars. See: <http://www.saabphotos.com/gallery/Orca_Misc/saab_ngk1> <http://www.saabphotos.com/gallery/Orca_Misc/saab_ngk2> Paul 1989 900 Turbo S http://saab.go.dyndns.org/