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Old 09-06-2006, 04:30 PM
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platinum plug in hp engine

would platinum spark plugs in 10:1 compression engine work well? or would they act like a glow plug and detonate? im curiuos about ACDelco

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Old 09-06-2006, 04:55 PM
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I run Delco double plats in all my vehicles. My personal truck has 9.4 compression and does fine.
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Old 09-06-2006, 05:03 PM
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Quote:
Originally Posted by Jmark
I run Delco double plats in all my vehicles. My personal truck has 9.4 compression and does fine.
do you run the colder plug?
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Old 09-06-2006, 06:28 PM
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My Fastburn 350 crate came with AC Delco platinum plugs.

Vince
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Old 09-06-2006, 06:38 PM
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msd box 6 al being used

if you use mds6 al box then i would just use copper plugs since theres a good hot spark should be ok plus its cheaper
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Old 09-06-2006, 06:59 PM
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I put platinum plugs in my uncles mustang GT and within a month they came apart in the engine and made a big bad mess! He picked out the plugs. NOT ME! The dealer said NEVER use platinum plug in a 4.6 ford! I will never use them again in anything.
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Old 09-07-2006, 09:43 AM
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If you don't mind changing plugs once in a while, go with a standard plug. The platinum plugs are actually less conductive, but won't wear out as fast. The best of both worlds are iridium plugs, which are both conductive and long lasting, but more $$$.
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Old 09-07-2006, 11:02 AM
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Quote:
Originally Posted by runn141
do you run the colder plug?

No, just found the correct number by application and got those. I actually bought a full CASE of them off ebay. Watched for a while and saw them come up. Paid about $1.12 each for the double plats. Got plugs for the rest of my life!! Just like the cases of big rebate oil from Checker and cases of oil filters I got cheap too. Always looking for a deal. Anyone need any 2 cycle boat oil???? I got about 150 bottles of Penzz outboard mix oil too! LOL

Mark
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Old 09-07-2006, 12:12 PM
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The only advanatage to a platinum plug is that they will last longer, but they will not perform better then a fresh traditional plug. 99% of all Race cars use a traditional style plug, not platinum.
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