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Old 11-15-2004, 10:45 PM   #1
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Default two questions...exhaust & plugs/tune-up

Ok...taken from the many posts read..I have an all stock 94 SSE w/139k miles.

I opted for the autolite copper 606'* and plan to gap them at 55-57, stock coils and new triple slicone lifetime wires, pcv, fuel filter, trans service with filter and dexronlll max-life and maybe a friction modifier if I still have the chuggle, clean the egr, tb and maf sensor...any further suggestions? Am I on the right path?

Ok...exhaust...I took a good look today and it wont be long before I need a full system. I have read posts about using 300zx and maxima exhaust systems if I remember correctly.

I am assuming these items are salvage yard finds from the frugal minded. What are the appropriate models and makes of autos that will install on the Bonnie.

Funny thing...this I dont understand...I have a 90 Bonnie with 280K miles that I have had ten years. The original exhaust system/muffler on it is stainless and still looks like new.

Actually....the 90 SSE is a far superior vehicle in many ways, the build quality of the 90 far surpasses the 94 in most every aspect from materials to assembly. Whats GM thinking? Is it just the 94? What year did they start putting them together a little better with better parts and materials.

At this time I am leaning toward a 1997. Any ideas?
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Old 11-16-2004, 01:36 PM   #2
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I don't know what'* the deal with your exhaust. My '92 was in great shape when I gave her to my brother a couple years ago. I still think it is going strong. The only problems I had were the tips coming loose on it. It was stainless, just as my 00' is.

As far as plugs go, I don't really know squat. However, My car came stock with platinums which are good for 100k miles. If you are staying stock or only going to do light mods, I think the plats should be good, not to mention long lasting. I know that a lot of folks with some real kickin' mods swear by the copper plugs for their performance, but they also mention the relatively short life on them. Hopefully someone who knows a lot more will chime in.....
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Old 11-16-2004, 02:04 PM   #3
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thanks for your input Kevo
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Old 11-16-2004, 04:12 PM   #4
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Your '90 was assembled better than the '94 because GM thought, let'* make our 87-91 cars last forever, but our 92+ crap out soon. Actually, I don't know, but it seems our classics have less problems. They aren't perfect, but I will agree with you on the build quality. I have the original exhaust on my '89, and everything is perfect on it, except there is surface rust on the pipes, but nothing all the way through, and it'* been that way for a very long time. The cat and muffler are all in perfect shape, especially for their age. My car hasn't been touched for her whole life.. or at least in the places I am touching her [dirty, I know ], and everything has held together great, and a lot of the parts are resisting removal. It'* amazing how 16 years of sitting make things stick together [my car was built late '88].

On the plugs.. I can't help you, except use the cheapos. The 99 cent bin parts are just as good, because i wouldn't use a plug over a year.. I have plugs in my car that are about 5-7 years old, and if I took care of this car, they wouldn't be like this. Just my opinion.


-justin
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Old 11-16-2004, 10:38 PM   #5
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Quote:
Originally Posted by kaptnjack
thanks for your input Kevo
My son'* name is Jack ..... How could I resist lol!
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Old 11-17-2004, 12:10 AM   #6
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I liked your site by the way.
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Old 11-17-2004, 02:26 AM   #7
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Quote:
Champions..... These are all plugs to avoid in any 3800
I got Champoons in my car with about 7k on them now...checked them twice now and they're almost new still. They're just a stock heat range gapped at .060???
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Old 11-17-2004, 11:33 AM   #8
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If your doing this for longevity, get a set of NGK Iridiums in stock heat range and gap them at .060. I'm not sure a cooler plug or smaller gap will net you anything and if your not planning on anything significant mod wise, then get long lasting plugs (platinum or iridium).

As for your exhaust, I was pretty sure that all Bonenville exhaust systems were stainless steel (or should have been). Maybe yours was damaged by a prevous owner and replaced with non stainless steel.
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Old 11-17-2004, 11:47 AM   #9
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My 90 model sse exhaust is great at 280k miles, the new 94 SSE has what appears to be factory exhaust but is rusted and pitted fron to back.

In my limited experience...this metal does not appear to be stainless.

I am open to more/new information.
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Old 11-17-2004, 01:21 PM   #10
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Quote:
Originally Posted by kaptnjack
I liked your site by the way.
Thanks! I'm a Mod there & I really enjoy it. The site is only one and a half years old, and is getting better as we learn how to better do an online forum.

As far as Rogue said, I agree with the platinums or irridiums for longevity. I have 45K on my stock plugs and they perform fine. If I end up going any further as far as mods, I'm either going with the ACs or the NGKs one heat range colder.
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