Tune up time

Discuss your 2000-2005 Bonneville SE, SLE, SSEi, Buick Le Sabre 00-05 and Buick Park Avenue 97-05. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
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samples08
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Tune up time

Post by samples08 »

Okay what do you guys run in your cars I? My old set of spark plugs was the NGK TR55 do I just need to get a new set of those or do you recommend something better
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nos4blood70
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Re: Tune up time

Post by nos4blood70 »

Whatever plug is iridium and stock heat.
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samples08
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Re: Tune up time

Post by samples08 »

So iridium's are better than the coppers ?

I thought the coppers were factory installed?
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nos4blood70
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Re: Tune up time

Post by nos4blood70 »

Iridium was factory. Copper plugs don't last very long.
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"Penelope" - 2003 SLE - 250k Miles
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samples08
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Re: Tune up time

Post by samples08 »

Thanks for the info do you have a particular brand you could suggest?
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haro1225
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Re: Tune up time

Post by haro1225 »

Autolite or AC Delco.
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mikeluscher159
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Re: Tune up time

Post by mikeluscher159 »

The OE ACDelco Iridium's

# 41-101, on Amazon for $4.50 each after rebate
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Re: Tune up time

Post by 1oldman »

samples08 wrote:So iridium's are better than the coppers ?

I thought the coppers were factory installed?
I never got 30K miles out of copper plugs, not even NGK. - BC
In Memory of Brad - 1/21/1977 .. 10/23/2013 ...... Aaron - 1977 .. 2017 .....
2017 Hyundai Santa Fe Sport ..... 1992 Bonneville SSE 1SB 170 HP L27 4T60E retired/sold to MattStrike ..... 2005 Bonneville SE 1SC 205 HP L36 4T65E - retired/salvage yard ..... PBCF user 2321
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