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2000-2005 Discuss your 2000-2005 Bonneville SE, SLE, and SSEi Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-03-2005, 03:13 AM   #1
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wondering if you guys know what are the best sparkplugs to get for a 2001sle

thanks
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Old 01-03-2005, 11:46 PM   #2
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NGK or Autolite. V-groove copper for yearly changes or Iridium for long life. Depends what you can afford.
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Old 01-04-2005, 01:20 AM   #3
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Plugs are pretty cheap. I'd stick with stock plugs, NGK makes the Delco'* so there is no issue with quality.
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Old 01-04-2005, 01:23 AM   #4
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Yup, either Delco'* or NGK'*. If you get NGK'* get TR-55'*. I don't know what the AC Delco equivalent is -sorry.
Gap the plugs to .060". (reminds me I better check mine haven't in almost 4,000 miles)
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Old 01-06-2005, 12:59 AM   #5
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How difficult is it to change the spark plugs on an 2002 SSEi?
I know the front ones are easy to get to but how about the rears?
On my wife'* Chrysler Cirrus I had to take the entire Intake Manifold off just to get to those damn things. Is it going to be that kind of chore?
Which brand Iridium plugs do you guys recommend?
Denso? and if so which brand?

Thanks for the info?

Tom in INdy
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Old 01-06-2005, 07:37 PM   #6
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Quote:
Originally Posted by Sting
How difficult is it to change the spark plugs on an 2002 SSEi?
I know the front ones are easy to get to but how about the rears?
On my wife'* Chrysler Cirrus I had to take the entire Intake Manifold off just to get to those damn things. Is it going to be that kind of chore?
Which brand Iridium plugs do you guys recommend?
Denso? and if so which brand?

Thanks for the info?

Tom in INdy
Hi Tom,
The rear plugs are very easy to change compared to the Cirrus. Just follow the plug wires and remove the boots, and slap the socket on.
Most people here with the SC'ed 3800 use NGK V-Power TR55'*. Just ask for the matching Iridium'*. Not many people here that I am aware of that are running Irridium plugs, but the one guy who put them in his SSEi liked them and he has Nippondenso (spellcheck) Irridiums.

Oh, and since you are an experienced plug changer you probably will have all the plugs replaced in less than 30-45 minutes. I can do them in my Mom'* 1993 Buick Park Avenue Ultra with the Series I 3800 SC'ed in less than 20 minutes, and when I changed them in my old 1999 SSEi I think it took me about 45 minutes to swap plugs and wires and I was taking my time.

Good luck with the change.
-Martin
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Old 01-06-2005, 08:03 PM   #7
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Hey Martin,

Thank you for the quick reply! I am not sure if I am an experienced plug changer but now I feel more confident that I can do it.
There is a guy selling Denso Iridium plugs for $50 bucks for the set. Sound a bit steep and I don't think any plug is worth that much. I will probably put in the TR-55'* and see how they run.
Do you recommend a spark plug change every year? I don't mind changing plugs but I don't want to waste money either.
How about spark plug wires. What brand and what type do you recommend.
Is it worth swapping wires? Any performance or gas mileage gain?

Thanks for your help! I may attempt a spark plug change this weekend
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Old 01-06-2005, 08:32 PM   #8
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Quote:
Originally Posted by Sting
Hey Martin,

Thank you for the quick reply! I am not sure if I am an experienced plug changer but now I feel more confident that I can do it.
There is a guy selling Denso Iridium plugs for $50 bucks for the set. Sound a bit steep and I don't think any plug is worth that much. I will probably put in the TR-55'* and see how they run.
Do you recommend a spark plug change every year? I don't mind changing plugs but I don't want to waste money either.
How about spark plug wires. What brand and what type do you recommend.
Is it worth swapping wires? Any performance or gas mileage gain?

Thanks for your help! I may attempt a spark plug change this weekend

Those plugs typically sell for around $60 before shipping if I remember correctly. Radrick has good credit around here (notice JimW'* Rora with Bonneville 17" chromies), and $50 with shipping included is a fair price considering to buy them and have them shipped to you would more than likely cost close to $70.
If you do get the TR55'* you won't be dissappointed, but the Denso'* are some nice plugs, but IMO I personally wouldn't get them until I've done further modding as their bang for the buck isn't as big as the TR55'* (Denso'* are BETTER, but the benefit per $ is smaller).
As for changing plugs every year, they aren't cheap and if you've got an extra $13 why not? But if you don't feel the need to and the plugs aren't fouled or anything then all you need to do is pull them clean them and regap them.
For plug wires alot of us liked our Taylor Spiro Pro'* but most of us encountered problem well before they should have had them. Seems now that everyone is getting Belden Premium wires from NAPA as they are only $35-40 and have a lifetime warranty. MSD also makes excellent wires as does Jacobs and Magnacore, but then again they are $15-20 more and aren't worth the miniscule gain over the Belden'*, which is what Rogue runs in his 400+ hp 2000 SSEi.
Between the plugs and wires you might see as much as 3-5 hp and up to .5 mpg in town and 1-2 on the freeway. If you really want to get those gains though I'd suggest a Cold Air Intake (prefabbed for $150-300 or a do it yourselfer can have make their own for under $50) and or a Carsound/Magnaflow 2.5" high flow Catalytic convertor off ebay or www.justmagnaflow.com ($55.74 including shipping).

Glad to help. I'm not the most knowledgeable, but I do my best to help the knowledgeable to share their knowledge.
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Old 01-06-2005, 09:13 PM   #9
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Thanks again Martin for some very sound advice.
I was thinking of doing a Thrasher CAI along with the 3.4 inch Pulley.
Will the smaller pulley still work well for every day street driving?
I figure a little more kick would be nice but I don't want to sacrifice reliability for a couple of extra ponies.
If I get the High flowing Cat will a mufflershop install it for me? Some muffler shops look at you funny when you come in there and want to mess with the Catilatic converter.

Thanks again for sharing the knowledge and for helping fellow Bonney owners out
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Old 01-06-2005, 09:22 PM   #10
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The Thrasher is a very popular CAI and a 3.4" will be the appropriate pulley with the plugs, wires, CAI, and high flow cat. You might also throw a 180* thermostat in there too to keep the engine closer to it'* peak performance temp range.
As for the catalytic onvertor I don't think any shop will have a problem installing it if they realize it'* a high flow unit and want it for some extra oomph. Just find a smaller non-chain exhaust shop and have them do it -they should have no problem and probably wil be glad to install it for you. Also, if you want I might be able to get a 3" Down-pipe made up for $35 + shipping. I have a 3" DP and Carsound 2.5" high flow cat on my SSE and love it.
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