Changed to copper plugs, 89' 900S vibration nearly gone - Saab 900 Bulletin Board - Saabnet.com
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Changed to copper plugs, 89' 900S vibration nearly gone
Posted by Chris [Email] (more from Chris) on Mon, 28 Apr 2008 05:00:55
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I replaced the cap, rotor, and put in a set of Bosch Super Plus, non platinum plugs, and took out the autolite platinums I put in it back in November. It took away about 70% of all the vibration/misfire I was having(I still think I need to replace a couple motor mounts), and it's not loping anymore. Much, much smoother. I am less and less convinced platinum plugs are as great as they say. I have used them in other makes and models with the same results, they ran bad. I had a few cars that ran great with them, but not my saab. Maybe it's the type of ignition in the Saab and other cars? I know that the older HEI ignitions in GM cars do not work well with platinums at all, I was told it was the feedback type ignition. My friend put a set of Bosch +4's in his 99 cavalier, and it was missing all over the place, backfiring, lost power(what power it had to beging with).
posted by 205.188.117...
Posts in this Thread:
- Changed to copper plugs, 89' 900S vibration nearly gone, Chris, Mon, 28 Apr 2008 05:00:55 <-- Viewing This Message
- Re: Changed to copper plugs, 89' 900S vibration nearly gone, Chris, Mon, 28 Apr 2008 13:20:09
- Re: Changed to copper plugs, 89' 900S vibration nearly, RayJ, Mon, 28 Apr 2008 11:06:33
- NGK's are the only way to go with saabs., Austin Underwood, Mon, 28 Apr 2008 10:31:13
- Re: Changed to copper plugs, 89' 900S vibration nearly gone, Saabnutt, Mon, 28 Apr 2008 06:54:31
- Coil .., phil94028, Tue, 29 Apr 2008 14:01:27
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