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Not so proud new owner of 97 Z34.

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Old 12-27-2019, 10:36 PM
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Default 97 z34.. plug change. What the FUDGE??

Wanted to do a tune up. The plugs are under the intake. Any pointers? Or how to?
 
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Old 12-27-2019, 10:39 PM
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Default Not so proud new owner of 97 Z34.

I have acquired a 1997 Z34. Set out to do a tune up. And have found that the plugs are under the intake. What to do?
 
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Old 12-28-2019, 11:15 AM
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Originally Posted by smithj
I have acquired a 1997 Z34. Set out to do a tune up. And have found that the plugs are under the intake. What to do?
I did a search of my manuals for you and I found nothing to share. I also did a search on the youtube to see what they may have and found nothing for the 3.4 DOHC. I do have another book that may help but I need to find the thing I will keep searching in the meantime there could be someone here yet that has this information. I am thinking that Sidestreet has the same engine in his 95 Brickyard Monte Carlo and may have preformed this task.
 
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Old 12-29-2019, 02:34 PM
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I have never worked on an LQ1 (3.4 DOHC) engine. But, it looks like the upper intake does need to come off. Attached is some GM Shop Manual data.
 
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LQ1 - Spark Plugs.pdf (242.2 KB, 4 views)
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