Differences in 99 and why is it slow?
My car isn't throwing off any codes but I have noticed that when it gets hot I can smell this odd scent like burnt syrup. The car runs good as far as always starting up and never bogging down really and it doesn't miss or act strange besides that it's slow. I think as it stands ANYONE could whip me. Here is what my tires look like, I really don't know anything about tires..at all. Wouldn't the SES light come on if something were wrong with the O2 sensors or cats?

Who needs to go 158 anyways.... 99 percent of your driving is 0-65 mph anyways... not worth it to me..
I am almost positive the smell would be coolant related. I know exactly the smell you're talking about.
Why is it that the stock exhaust is quiet on ls1s? I would think that GM would learn from the mustangs that were released around the same time that the sound of the GTs and Cobras helped sell them. I would most identify the sound of my ws6 with the sound of someone farting in tight pants.. poot poot poot lol
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But yea...do a full tune-up like everyone else is saying. When you're changing the plugs do a compression test..


