C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Jun 17, 2015 | 09:47 PM
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I have a 74 Vette. Of any of the owners that have this year or a C3 class. What is the most major problems you have had with your Vette. Thanks for any input😊
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Old Jun 17, 2015 | 09:53 PM
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There is not really a good answer to your question. After this many years, many things that are a problem with one car may be no problem with yours. It would also depend on the mileage/use in the past, maintenance, and storage. Check the sticky on what to look for before you buy - it should list a number of things to check.
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Old Jun 18, 2015 | 01:33 AM
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Biggest problem with the '74 C3 (or any other year C3) is the owner having the good sense to be PROACTIVE with the maintenance done on the car. Sorry...but that IS the biggest problem with having an older vehicle.

Fix it right...and keep it fixed. (Just like with the new cars...)
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Old Jun 18, 2015 | 08:07 AM
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All good answers I think. A 41 year old car could have anything go wrong at any time.
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Old Jun 18, 2015 | 08:15 AM
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Brakes.....headlight vacuum system....battery cables....
just some of the major things i had to deal with when i purchased our 79.

Last edited by speedreed8; Jun 18, 2015 at 08:18 AM.
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Old Jun 18, 2015 | 08:47 AM
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...General Question...
I'm not a General, but I play one on TV. I had no real issues with my 74 other than replacing the rear wheel bearings. My coupe was my daily driver, took me everywhere I needed to go, and got me back home.

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Old Jun 18, 2015 | 01:48 PM
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My father-in-law always taught me: No matter what, make sure you can always stop! Then make it go, and then go faster!

To make it stop, go thru the brake system. Old leaky brake calipers and hoses should always be checked and you should have a firm brake pedal. Are these "major" problems? No. They can easily be checked and replaced with some basic tools.
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Old Jun 20, 2015 | 03:47 AM
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Chevy V8 engines and 1960's/70's cars in general were very reliable. And, if the operating systems are brought back to fairly good condition, these old cars are still very reliable. Parts are readily available and documentation on how to repair and maintain these cars can be found almost everywhere on this planet.

The only other thing one needs is the desire to buy one and bring it back to life.
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Old Jun 22, 2015 | 11:19 AM
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Common problems in a C3 are rust issues in the cage, body mouts and frame. All C3's have rear wheel bearing and vacume headligjht concerns if not maintained properly. Other than that its like any other car to me. Maintain it, drive it and enjoy. As problems occure you will find a related experiance and solution on here.
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Old Jun 27, 2015 | 03:27 AM
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The first major problem I faced was finding a shop that I could trust to do the things I could not or did not want to do my self. I started asking the local exhaust and brake shops who they turn to for help with older cars. They all sent me to the same trans shop run by an ex GM mechanic and his son. They know their stuff and do any job I ask, do it correctly for a fair price. They also know I want to do as much of the work I can myself and are always there when I have a question or need guidance. They are a lot like this forum but in three dimensions and dirtier. Four blocks from my home! No fancy shop full of people trying to BS their way into your wallet. Just blue collars, dirty hands, and heads full of years of knowledge. I bet there is a place like this in every city. Find it. Sorry to be so long winded but I was just thinking today what a relief it is to have that, someone's got my back feeling.
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