Thread: Ignition tune

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  1. #1 Ignition tune 
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    Looking to replace my plugs and wires, I've been told autolites are the brand to get, however I wasn't told which specific model to get, any suggestions? Also, which wires perform the best in the gt SC? Looking to drop pulley size in the near future too.
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  2. #2 Re: Ignition tune 
    Killa Bee Scottydoggs's Avatar
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    until your mod it, use iridium plugs and cheap parts store plug wires with a warranty, they work just fine.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: Ignition tune 
    Turbo is the way to go. BillBoost37's Avatar
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    Advance Auto has lifetime warranty on Autolite Professional wires. They are reasonably priced and you can drive them 100K miles.
    As for plugs, go copper Autolite uh.. one range cooler. Or NGK TR55 coppers. The copper helps dissapate the heat and helps fight KR.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  4. #4 Re: Ignition tune 
    GrandPrix Junkie SgtMarshal's Avatar
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    I ran the iridium autolite 104's for a while and didn't notice a difference from the previous copper core and the replacement copper core plugs.
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  5. #5 Re: Ignition tune 
    GrandPrix Junkie
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    Take a read through this thread before you drop pullies (or chip pistons, either way, lol..). Has lots of usefull info.--> http://www.grandprixforums.net/threa...00-Powered-Car!!
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  6. #6 Re: Ignition tune 
    GTP Level Member Impala131's Avatar
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    Quote Originally Posted by Scottydoggs View Post
    until your mod it, use iridium plugs and cheap parts store plug wires with a warranty, they work just fine.
    Usually I would agree with Scotty on the stock iridiums, but they're a waste of cash if you are just going to swap plugs again soon when you pulley drop. Get some autolite 606's instead, stock heat range and cheaper. Then it's less of a hit when you switch plugs for a pulley drop.
    2003 Grand Prix GTP.... the journey begins again....
    E85 Self Tune with HPT, 80# Injectors, Gen V 3.4 pulley, SD Headers, AL605 Plugs
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  7. #7 Re: Ignition tune 
    Killa Bee Scottydoggs's Avatar
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    copper are cheaper, but they only last 12 to 15,000 miles tops. so its a tune up a year for most who run copper. where iridium will last up to 100,000 miles again like the factory plugs.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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