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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Spark plug gap

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Old 12-20-2007, 11:35 AM
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Spark plug gap

I was just wondering what the spark plug gap was for my 1988 22R-E. I ordered the platinum NKG's and i will get them tommorow and install them tommorow along with some other goodies. Any help much appreciated. JvD would it say in a haynes manual?
Old 12-20-2007, 11:51 AM
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Yeah, chilton or haynes would have it.

It's .031".

But you're not supposed to adjust the gap on platinum plugs. Though I've done it on some that weren't correctly gapped when I pulled them out of the box. VERY CAREFULLY I might add, and they were the cheap type that were really just conventional plugs "plated" with platinum on the electrodes . The platinum pads on spendier platinum plugs can be chipped off or damaged or you can ruin the center electrode if it's the fine wire type very easily.
Old 02-23-2008, 04:20 PM
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wut would putting a bigger gap do
Old 02-23-2008, 06:06 PM
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the spec is .031" but I have found that .035" results in a smoother idle
Old 02-24-2008, 11:58 AM
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really ive always thought about doing it but i never have i have a 3.0 and i just got ngk plugs so im gonna put a bigger gap on them how big do u think i can go
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