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The Vette is going in for a dyno tune on the 16th. The only thing I'd really like to have done before that is the exaust upgrade. The other upgrade will be done at the dyno when a chip is installed. This way I can have all I want done and tuned at the same time. I'll look into that cat back...

Any ideas as to what I can do with the exaust that will free up some horsepower?

Now that I seem to have most of the bugs worked out of my C4 I want to upgrade the exaust system. I haven't been able to get under the car yet, but I understand that the factory setup is not a true duel exaust. I would like to upgrade to a true duel exaust. Any suggestions? Thx...

Now that I seem to have most of the bugs worked out of my C4 I want to up grade the exaust system. I haven't been able to get under the car yet, but I understand that the factory setup is not a true duel exaust setup. Any suggestions for doing a true duel conversion? Thx...

Fans were working fine. Coming on at 240ish. Now car wont even get past 180.

On a previous post I stated that my 1990 c4 thermostat was fluctuating between VERY hot at idle and cool while driving down the highway. I was concerned with this mainly because I didn't want to hurt my aluminum heads. I took the car down to the dealership to have the a.c. converted over and to...

Got my vette back from the dealership. They had to bleed the fuel lines and put in a new fuel pump and a valve ( they haven't told me yet which valve). Runs a whole lot better!!! Problem now is the fuel gauge reads reserve but I go and put fuel in and it only takes around 8 gallons. Any ideas???

I can relate... Same thing happened to me. It was a fuel pump. It went out because of bad fuel. Started and idled just fine, but fell on it's face when I'd try to go.

Thank you for all your introductions and welcoming me to the forum. I will have a gallery posted of my latest investment as soon as it gets out of the shop😳. Unfortunately, the first day I had the car out it fell on its face most likely due to a fuel issue from sitting at the dealership for...

Just bought my first Corvette! Needed something to knock out the monotony of daily life as well as unwind on the weekends after a stressful week. I bought a 1990 coupe 6- speed with removable hard top. It has approx. 39,000 miles on it and has spent its life in a Chevy showroom at the local...