Spark Plug question
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Joined: Jun 2004
Posts: 313
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From: Buffalo, NY
Car: 1987 Iroc-z
Engine: 355/Edelbrkhds/lpe219cam/MiniRam/
Transmission: 700R4/3.27 9bolt
Spark Plug question
Guys I use an autolite Double Platinum APP3926 in my Edelbrock Performer Heads. An Autolite guy said that an XP3926 Iridium plug would help smooth out the idle and give better throttle response.
What do you guys thin about that? i've always had a rough idle, wondering if these plugs would calm it down a bit.
What do you guys thin about that? i've always had a rough idle, wondering if these plugs would calm it down a bit.
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evilstuie
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Feb 28, 2016 03:33 PM
