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Old 02-24-2010, 12:13 PM   #21
bulwnkl
Scooby Specialist
 
Member#: 41070
Join Date: Aug 2003
Location: Arizona
Vehicle:
2005 Black Tiger
(Black Turbo Baja)

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I changed my plugs last night (second time I've done them on the Baja; I'm at ~110k miles now), so I thought I'd report that I'm a big loser. I missed moonzie's estimate of 2 hours or less by probably an hour. OTOH, I had my little boys helping me, which they love to do, and we were having a good time visiting as I went along. The tool list above is still all I needed.

I went with Pulstar plugs this time. When I took out the factory plugs before, I had put plain-jane NGK copper plugs in. They look good, and only slightly worn. I can see that the mixture is mostly right on target, though it does appear to be rich sometimes. I think that makes sense given how rich the turbo engines run under boost. I'm curious to see whether these plugs show me ANYTHING different or better than those copper NGKs. I run oil analysis roughly annually, and that should show me some things even if I can't see it in mpg.

OBTW, the Pulstar plugs' insulators are a little fatter than standard plugs', so a spark plug wrench grips them TIGHTLY, and it's nearly impossible to get that plug wrench off once it's all down in the head and snug. That probably added 30 minutes to my total time last night all by itself. Beware!
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