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Old 04-26-2013, 11:57 AM   #11
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Use whatever is in the owners manual? I did the Motorcraft ones. They're fine.

If you have Autolites in there now and it runs fine, seems best to let it be.
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Old 04-28-2013, 11:17 AM   #12
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Thanks I will go to the ac. send the bosch back
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Old 04-03-2014, 06:02 AM   #13
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Quote:
Originally Posted by Ethie1990 View Post
never use Bosch on ford you will always get a misfire. ive had 4 ford tried Bosch in all of them and all misfire. Got AC delco never had a problem
Ran AC plugs for 2 years, car ran great. Yesterday #1 & #2 boots failed. Misfire with flashing engine light. I was too far from home to drive home and replace parts myself.

Local shop replaced 4 boots and spark plugs with Autolite AP104. The mechanic blamed the failed boots on AC plugs.

What I would like to know is what is "tune electronic ignition minor?" That is one of the services listed on the invoice.
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Old 04-03-2014, 09:10 AM   #14
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Replacing the boots & plugs
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Old 04-03-2014, 12:33 PM   #15
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Bosch makes the ignition coils ...
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Old 04-03-2014, 01:02 PM   #16
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Bosch makes a lot of things. Some are good, some are bad.

I've got Autolite 103s and I would not use anything else.
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Old 04-03-2014, 01:18 PM   #17
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I have 104s in... the guy at FSWerks said I should go with 104s instead of 103s not sure why. Perhaps because I'm not modded heavily?

The 104s definitely made a difference but it's not a surprise from what the old one's looked like when I took them out on Tuesday.
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Old 04-06-2014, 04:32 PM   #18
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I been running 103s since about 30k, just replaced them at 55k, the car runs great, I remember the day i switched to them, i dont know if it made a difference on the high rpm part, but It seems a little better on the low end. I have a manual so i can notice it a bit when taking off
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Old 04-06-2014, 04:45 PM   #19
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I run 104's without any issues. Been about 10K now and about 20 shots of nitrous.
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Old 04-11-2014, 02:51 PM   #20
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Bosch multi ground electrode plugs only work on NON DIS engines.
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