Running BOSCH PLATINUM #4

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04-22-2007, 01:03 PM

dukeme

3rd Gear Member

Thread Starter

Join Date: Apr 2007

Location: illinois

Posts: 914

Running BOSCH PLATINUM #4

Ready to change the plugs and want to make sure that these will not be wrong? I have currently AUTOLITE 25's and wnated to know if these BOSCH #4 would matter? These are the 4 tip plugs? You help will be greatly appreciated....It is for a 302 5.0
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04-22-2007, 01:10 PM

frdmstng1986GT

5th Gear Member

Join Date: Jul 2006

Location: Alton, New Hampshire

Posts: 2,518

RE: Running BOSCH PLATINUM #4

waist of money.. look into autolites again... or i use motorcraft plugs and have nnever had a problem with them.

04-22-2007, 01:13 PM

dukeme

3rd Gear Member

Thread Starter

Join Date: Apr 2007

Location: illinois

Posts: 914

RE: Running BOSCH PLATINUM #4

Dam glad I asked....Off to AutoZone .054 for the gap?
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04-22-2007, 01:16 PM

frdmstng1986GT

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Join Date: Jul 2006

Location: Alton, New Hampshire

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RE: Running BOSCH PLATINUM #4

.052

04-22-2007, 03:11 PM

luizGT91

2nd Gear Member

Join Date: Jan 2007

Location:

Posts: 318

RE: Running BOSCH PLATINUM #4

i used autolites 26 before h/c/i and they worked great

04-22-2007, 03:37 PM

samseed101

6th Gear Member

Join Date: Jun 2006

Location: Maine

Posts: 5,693

RE: Running BOSCH PLATINUM #4

I used the Bosch +4 platinum plugs last year. Lets put it this way. I literally pulled every one of them out and replaced them with autolites within 1 week of having them installed. They are a complete waste of money and actually GREATLY hurt my performance.