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What year(s) C5 to avoid?

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Old Jul 15, 2005 | 12:22 PM
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Default What year(s) C5 to avoid?

I'm thinking about purchasing a used C5 and am currently looking at 2001 and up model years. What years should I avoid - ones with well documented issues?
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Old Jul 15, 2005 | 03:43 PM
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Really there aren't any years with serious issues. Obviously the 97's had a few kinks that were later worked out, but nothing that would keep me from buying one. The 97's don't have some of the options like active handling, or heads-up-display.
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Old Jul 15, 2005 | 06:57 PM
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I'd do the 2001+ because of the bigger injectors and LS6 intake manifold, to name a couple things.

Mike
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Old Jul 16, 2005 | 05:03 AM
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2001 seemed to have a lot more problems with oil consumption, so I'd try to go with a 2002-2004.
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Old Jul 16, 2005 | 11:31 AM
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The earlier years had seat wear problems too. The seat stitching was not up to par, and would break in the bolsters from wear. Overall they are very reliable. Cars with remote entry (the seat would move back for you before you got in setting) cured alot of the wear issue.
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Old Jul 16, 2005 | 06:39 PM
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Originally Posted by Kraest
I'd do the 2001+ because of the bigger injectors and LS6 intake manifold, to name a couple things.

Mike
BTW it was the 98s that had the 28lb. injectors. The 2001 on up were 26 or lower iirc.
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Old Jul 16, 2005 | 09:48 PM
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... year(s) to avoid = 2005 ... after all, a 2005 is really a C5.5, right?
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Old Jul 17, 2005 | 04:02 PM
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Originally Posted by Rays C5
BTW it was the 98s that had the 28lb. injectors. The 2001 on up were 26 or lower iirc.
2001

1. A small percentage of 2001 and 2002 LS1s actually had LS6 blocks which had a different part number and a darker metal cast
2. Starting 2001, all LS1s came with an LS6 intake manifold without an EGR system
3. Advertised HP output was changed from 305 to 310 on base LS1s and from 320 to 325 on WS6s and SSs
4. 2001-02 cars have a smaller cam from the Vortec truck engines to increase low end torque
5. 2001-02 cars had 28 lb fuel injectors like the 98 cars (albeit different part numbers)
6. WS6 cars had a redesigned 5 spoke rim which was more wavy
7. WS6 cars got less suspension upgrades from a base Trans Am suspension than previous years
8. Manual transmission cars all came with the Z06 clutch
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Old Jul 17, 2005 | 06:36 PM
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umm.. I thought we were talking about C5s... you know... Corvettes?
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Old Jul 17, 2005 | 09:57 PM
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Thanks for the replies, keep 'em coming!
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Old Jul 20, 2005 | 11:19 AM
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2002 (2nd month of production on) - 2003

2002 had both new ring design and new pistons, but you must get production a month into the 2002 model year

2004 has many C6 parts, and can be difficult in some areas since they are unique to 04 only. Examples, the fuel filter is in the fuel tank necesitating the removal of the rear cradle and differential/transmission to get the tank out, the fan switch and thermostat is different, O2 sensors, etc. I don't think 04 is a bad year, but be aware it has a few unique characteristics/parts from the earlier years.
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Old Jul 20, 2005 | 07:50 PM
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You get the newest and lowest milage C5 you can afford. The only thing that should avoid a C5 would be any other car. I have a '97 and I love it. Its true that the 2000 and up are a bit more refined. Better castings , options, ect.
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Old Jul 22, 2005 | 01:18 AM
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They all have their issues from yr to yr and yes 98 has the biggest injectors of them.
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Old Jul 22, 2005 | 09:44 PM
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Originally Posted by LS1 CRAZY
They all have their issues from yr to yr and yes 98 has the biggest injectors of them.
97-98 had 28.5# injectors.
99-00 had 26.3# injectors.
01-04 had 28.5# injectors.
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Old Jul 27, 2005 | 04:40 PM
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I would recomemnd a 99 or newer C5..the 97's and 98's had some issues that were ironed out by 99....it is a lot of car for the money there are some good deals out the these days on the C5 Corvette...I personally would only be looking at a 2001 or newer..just because of the option packages that were being used on the 2001 and newer cars.
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Old Jul 27, 2005 | 10:01 PM
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I pulled the trigger today! I bought a 2003 50th anniversary edition Millineum yellow convertible. Got it for a pretty good price and it's only got 1500 miles on it. Gotta love that! I have attached a couple of pictures.
Attached Thumbnails What year(s) C5 to avoid?-vet1.jpg   What year(s) C5 to avoid?-vet2.jpg   What year(s) C5 to avoid?-vet3.jpg  
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Old Jul 27, 2005 | 11:26 PM
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is the motor in the 2004 is it an LS6 or LS1 also whats this about the fuel filter in the gas tank, isnt that a bit difficult to change!
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Old Jul 28, 2005 | 08:14 AM
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Originally Posted by Avalanche2002
I pulled the trigger today! I bought a 2003 50th anniversary edition Millineum yellow convertible. Got it for a pretty good price and it's only got 1500 miles on it. Gotta love that! I have attached a couple of pictures.

CONGRATS TO YOU SIR!!!..it looks like you bought a very nice one...I get trade ins like that all the time...I have a number of customers that trade evey year or 18 months with very low miles on their cars..keep the shinnny side up and "the wave" alive..
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Old Jul 28, 2005 | 08:23 AM
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Originally Posted by tigertank
is the motor in the 2004 is it an LS6 or LS1 also whats this about the fuel filter in the gas tank, isnt that a bit difficult to change!

All C5 coups and convertibles 1997-2004 have the LS 1 engine..the only Corvette that got the LS 6 was the 2001-2004 Z06...the problem in the fuel system is not the fuel filter it is the sending unit..(this problem has been highly exaggerated on the internet) it is something that the back yard mechanic is not ready to do...if you have that problem go to a certified Corvette tech.
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Old Aug 2, 2005 | 09:28 AM
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FWIW, Consumer Reports lists the most Reliable C5 as the '99.
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