LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Did a tune up!

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Old 09-13-2006, 04:44 PM
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Default Did a tune up!

Through in some AC Delco 906s, and I believe the old ones were original. Not an easy task but the use of the hoist at work was mighty helpful. took about an hour and fifteen minutes and the car seems to run smoother and stronger.

all the plugs I pulled out were at least .060 gap or greater.
Old 09-13-2006, 05:22 PM
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Factory recommended gap is .050..
Hour 15 isn't bad on these cars..kinda quick.
Old 09-14-2006, 04:01 AM
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i did 2 hours changing all the plugs and a short break, i didnt lift it though and didnt remove headers either
Old 09-14-2006, 05:08 AM
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he said the ones he PULLED OUT were at .060, not the ones that went in. It took me about 1.5 hours to do in the roomy cadillac under hood. and like you said, my platnuim stock plugs were all at .060-.070. Even replacing with just autolite coppers (104) really helped.
Old 09-14-2006, 08:31 AM
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Car runs very strong, I am pleased with the results. Best I can describe the results is it runs more like new, less worn feel
Old 09-14-2006, 09:05 AM
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thats a good feeling, isn't it?
Old 09-14-2006, 09:14 AM
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The best feeling
Old 09-14-2006, 06:47 PM
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well remember a copper plug will make the most power even though you might have to change them every 30k

it took my about 2hrs last weekend, to pull all 8 plugs and do a compression test



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