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Agreed! I was getting this all the time on my C5 a few years ago, and putting in a new battery completely cured it! It's kinda nice that the C5 does this, as it gives you advance warning that the battery is getting weak so you never end up getting stranded due to a dead battery. Even when my...

The original tires are obviously not meant to be driven in the snow (although I did, and they aren't bad when they've got lots of tread on them!) but what do you mean about the suspension? GM fully tested these cars in cold weather, so there is nothing about the suspension that would prevent...

My C5 is my daily driver, so it sees plenty of snow. Here is a pic from this week when I drove it in a pretty big storm (about 5 inches of snow) I did have a few incidents where I almost got stuck, or the back end started sliding out on me when climbing small inclines, but that's due to the...

I drive my C5 all year round up here, and have no problems as long as it's less than 4 inches. I don't even run snow tires, I stick with Pirelli P Zero Nero all seasons all year round.

Whichever one you choose, just make sure that it gets it's air from outside of the engine bay, such as the Vararam does. The intake kits which just consist of an open air filter sitting in the hot engine bay are not going to be nearly as effective. You need the cooler air from outside the engine...

I bought my 98 in August 2004, and the second day I had it I removed the moldings. They came off very easily with fishing line, but the hard part was removing the glue that stayed behind. I just rolled it off slowly with my thumb. It took 5 hours! I had help from a friend with a detail shop, so...

I never understand anyone who buys a car solely as an investment. Except in extremely rare cases, you'll never make enough money on the deal to beat a proper investment such as if you put the money in a good mutual fund, or a well performing stock. And why buy a car you can't drive? There is...

A lot of C5 guys that go with 18s up front and 19s out back just end up picking the C6 tire sizes, since they have a good variety of choices. So they go with 285-35-19s out back and 245-40-18s up front.

How tall does a child have to be, or how much do they have to weigh before they can safely ride in the front seat of an airbag equipped car? I'd love to take my 5 year old for a ride, but my 98 obviously doesn't have a shut off switch for the airbag either. He's pretty big for a 5 year old...

I know that Petro Canada's in Quebec used to carry 94 octane but I'm not sure if they still do. I'm surprised you didn't know this considering Ottawa is so close to Quebec.

This is an excellent point! I remember an article in Road & Track in 1989 that did a test on the various octane boosters and one of the things they mentioned was that you get diminishing returns with larger doses. So if for example you got one octane point by adding the required dose of octane...

What exactly is so special about this "special edition" they are trying to sell you. Tell us a little bit more about it. A lot of times dealers will try to pass off common cars as "limited editions" such as they did with the 2003 Anniversary Edition cars, which were not rare at all, in fact it...

Not enough to make the octane jump from 91 to 94. I'd be lucky if any off the shelf octane booster even made a 0.5 point jump. The only way to get that much of an octane boost would be to mix in some unleaded race fuel, but that's not a cost effective solution on a daily driver like mine. :(

I don't believe this to be true at all. I know someone who just retired from Pennzoil and he tells me that they still have three separate teams and three separate formulas for Quaker State, Shell and Pennzoil. And if you look at the product data sheets, they have different specs also. Not only...

All the Sunocos here in Toronto, Ontario that I go to still have 94. I'm in trouble once they get rid of it, as my car definitely can't run without detonation on 91. When I had my car dyno tuned I had them add 3 degrees of timing at lower rpms (for better throttle response off idle), so it pings...

Why do you say that? Sunoco has been selling 94 octane up here for a very long time, and even though a lot of the Sunocos in the US stopped selling it a few years ago, it's still very popular up here. It's a huge money maker for Sunoco here, they charge 14 cents more per liter for it over...

I'm sure you have run it and not had any actual problems with it, but I can tell you without a doubt that your computer is pulling out timing when it's hot outside. It simply is not possible for an LSx engine to run 91 octane in hot weather and have zero knock retard. Hook up a scan tool and...

In order to be assured that you've got no knock retard at all in hot weather, the LS1, LS2, LS6 and LS7 engines most definitely need 94 octane. You're fooling yourself if you think these engines can run on 91 octane in 90 degree weather and not have some timing pulled out by the computer. Under...

I love the new Jetstream Blue! If I were getting an 08, it would be in that color for sure! (with Titanium interior)