When I bought my 72 I thought it needed a new exhaust system as I am 90% sure the one on the car is original. I had noted some surface rust at the time and assumed that is was rusted through. To use a football term "after further review" it appears that the exhaust system is solid, but just looks kind of discolored. My car is a low mileage example, (49,100+-) and my goal is to preserve all of the orginal stuff that remains on the car.
Is there something that I can coat the pipes and muffler with that will make them look more presentable while minimizing any further rust? I have heard that the double walled pipes that was used on C3s is difficult to find so I think this might be worth saving but I want my car to be presentable as well.
Vette(s): 1969 350 4 spd drop top
1972 350 auto coupe
Well if you want to save it and use it you can have them removed and blasted clean. Then treat it with something like Eastwoods exhaust paint but it will look painted rather then bare metal. I used that on my new aftermarket exhaust 10 years ago and it still looks good.
Vette(s): 1981 Corvette Two-Tone Claret color, 4 spd,
If the car has been in Texas or the south all it's life it's probably original. The killer for mufflers are short trips with the condensation never getting burned off inside and lying in the bottom of the muffler. Up north rule #1 is don't run your motor in the winter when it is stored. My system is still original, the mufflers still sport the GM part numbers. I cleaned the system from the cat. back 25 years ago with SOS pads and coated it with a clear spray coating from Eastwoods. It yellowed a little early on but has maintained a nice patina to this day. I removed the spare tire assembly at the time to clean it and provide better access to the mufflers.
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