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Discussion Starter · #1 ·
I've been driving my 93 lx for about a month and it has skipped just a little with the air conditioning on when accelerating. I had pulled a couple of plugs to see what they looked like and they were new looking bosch plugs. It kept doing it and I decided to replace the plugs and wires anyways. I started at the number 4 and worked down to 1. 4,3,and 2 were all new bosch. Number 1 was the original motorcraft plug. It cant be that hard for someone to change. Anyway, now it runs like a champ. I guess I assume people keep up a car like I would.
 

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...and how!

I've been using BOSCH 4 plats in my EGT for almost a year now and they're great. I have had no problems.

However, a lot of guys at 3si.org (3000GT) forums hate them.

You can't go wrong with NGK platiums.

I got a lifetime warranty on my bosch 4 plugs though, so you can't argue with that.
 

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dude, i've had issues with bosch plugs.
(read post: http://www.feoa.net/modules.php?name=Fo ... pic&t=6146 [gets to the point at very end]).

many-a-mechanics have told me that bosch is only meant for high performance imports, and not domestics (ie. the escort). the best thing for you to do is toss the bosch plugs and replace them all with motorcraft.
 

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Discussion Starter · #4 ·
I did dump the bosch plugs and put in 4 autolite platinums. My point was that there was an original motorcraft plug in the number 1 cylinder. The elcetrode was eroded and the gap was almost twice what it should have been.
The point is, don't assume a previous owner or mechanic wouldn't do something stupid. I bought this car just after a 60k mile motor was put in because the original had crapped out. I would not swap motors and not do the regular maintenance items (plugs, timing belt, hoses, etc.). On top of that, the number 1 plug isn't that hard to get to, just not as easy as the other 3. You only have to push the alternator wires back a little. So with this motor, the original owner screwed up with the plugs and the mechanic that swapped the motor did no better.
Now if they had just put in an SPI motor while they were swapping....
 
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