C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Dec 20, 2003 | 03:39 PM
  #1  
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Default spark plugs

What is the best plug to use .......Bosch Platinum or AC Delco
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Old Dec 20, 2003 | 03:42 PM
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Default Re: spark plugs (darkred91)

I use the AC Delco Rapidfires

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Old Dec 20, 2003 | 03:47 PM
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Default Re: spark plugs (darkred91)

NGK TR55IX
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Old Dec 20, 2003 | 04:10 PM
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Default Re: spark plugs (darkred91)

It depends on your needs. If you have a mostly stock car, or even slightly modified, good old ACDelcos or Champions will do just fine. IMHO, let the flaming begin :rolleyes: , all those special plugs with two, three, and four electrodes aren't worth the dough. I've not seen back to back dyno runs comparing each, but my gut feeling is that you're not going to see a difference, no matter what their marketing departments tell you.

The Bosch Platinums, if you do a ton of driving, can offer a benefit, because they'll last longer. This is great if you're like me and don't like struggling with the plugs on a regular basis (30K or so). Put the Platinums in, and you're good for another 100K.

:cheers:
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Old Dec 20, 2003 | 05:20 PM
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Default Re: spark plugs (Strick)

NGK TR55IX
Thats what I have :yesnod:
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Old Dec 20, 2003 | 05:28 PM
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Default Re: spark plugs (darkred91)

I like the Denso Iridiums. But, they are a bit expensive.
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Old Dec 20, 2003 | 06:22 PM
  #7  
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Default Re: spark plugs (STL94LT1)

Rapid fires for me! :steering:
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Old Dec 20, 2003 | 06:41 PM
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Default Re: spark plugs (MaddMaxx)

I've always wondered.....
What is the life expenctancy of the Iridium plugs. I can't seem to justify changing plugs that cost that much every 30k miles.

Just wondering.... :confused:
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Old Dec 21, 2003 | 12:47 AM
  #9  
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Default Re: spark plugs (vader86)

I use the AC Delco Rapidfires
:iagree:

Rapidfire's here also.
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Old Dec 21, 2003 | 01:48 AM
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Default Re: spark plugs (darkred91)

I use NGK FR5.
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Old Dec 22, 2003 | 09:44 AM
  #11  
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Default Re: spark plugs (darkred91)

I use NGK V-Power plugs in my '85. No problems! :yesnod:
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Old Dec 22, 2003 | 10:20 AM
  #12  
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Default Re: spark plugs (H P Bushrod)

AC Delco Rapid Fires #5.
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Old Dec 22, 2003 | 12:34 PM
  #13  
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Default Re: spark plugs (darkred91)

I use NGK TR6's they're copper and work well with Nitrous and they only cost $12.00 a set at O'Reilly's. [IMG][/IMG] :rant:
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Old Dec 22, 2003 | 01:21 PM
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Default Re: spark plugs (Strick)

NGK TR55IX
:iagree:
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Old Dec 22, 2003 | 08:31 PM
  #15  
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Default Re: spark plugs (darkred91)

I use the Bosch Platium 4 plugs in my 86... :party:
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Old Dec 23, 2003 | 06:51 AM
  #16  
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Default Re: spark plugs (darkman5001)

AC Delco's are what I have RIGHT NOW> but I LIKE the bosch platinums, the double pronged version preferably please.
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Old Dec 23, 2003 | 02:16 PM
  #17  
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Default Re: spark plugs (darkred91)

NGK FR-5 :flag
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