Any problems with 99 ss?
"For 98-02, things got very ambiguous and quite difficult to discern as to whether a Z28 was an SS or a clone. This was due in part to the Second Sticker. Cars with Base Alterations Package were cars that were designated by St. Therese to go to SLP only to recieve the Hood Wheels and Spoiler and thus did not have a Second Sticker because they were considered Base Alterations. I'm not going to go into detail as to what options were where and why as I have shaken that tree enough. Basically what we are looking for to see if an SS is the real deal or a clone, and the car has no second sticker, you want to look in the Drivers Side Door jamb, and locate the build codes, you want to find the code "WU8". This code transcended the 96-02 model run and was present on all SS's for the 4th Gen.
Another code to look for was Y2Y, this was the appearance package or Second Sticker designation given to 98-02 SS's. A fun fact to know is that 1999 was the only year EVERY SS was labeled as Y2Y whether it had Second Sticker options or not."
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