1) Have your removed the covers (or what's left of them)?
What did you see? Can you snap and post a picture? Would be easier to help diagnose.
Junkie is great with these machines and might be able to assist you over the net if he had more information. Your screen name sort of threw him I think.
There are others here that can certainly help, once we know more about the car and maybe a pic or 2 of the engine.
2) what shop did you have it taken to?
If you are interested, and can get to it, I'd have it taken over to Andre Alito @ Insty Lube & Tune on North Dale Mabry just south of Bearss today!
http://www.instytunetampa.com/
14783 N. dale Mabry Hwy.
(813) 960-3908
If you click on the provided link, Andre is the dark haired guy in the middle behind the 2 little girls)
He is a vette guy from jump and knows his stuff! (look in the parking lot

).
Not only will your car not be sitting until Monday for someone to look at it, he'll actually know what to do to fix it!:thumbsup:
If the weather cooperates, every saturday afternoon around 5-6pm until 7-8 (no set time frame), there's a vette gathering that takes place at the shop.
There's occasionally "special wrenching" too when there's time.
If your on the East side of Tampa, I'd take it to gregg at AntiVenom in Seffner. Again, another top notch vette guy:thumbsup::thumbsup:
The reason I mention them in this order is simple convenience.
I've had my vette when I had it, to both oand will not hesitate to take the next one to either of them.
He has turned out some phenominal vettes, I've seen and been the recipient of his handiwork many times over, and he always stands behind his job!
He treats your car like his own.
Clean, fair, quick and honest.
Doesn't get any better than this!:thumbsup:
Andre and his shop does all our routine maintenance on all our family cars and has for years.
OInly had one issue and he went well out of his way to make it right (and I do mean well out of the way!)
I trust him implicitly. Otherwise, I wouldn't recommend him to family and friends.
Tell him Gordon sent you.
Best of luck on the car.