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What Have You Done To Your Cobalt Today?

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Old Jun 8, 2017 | 09:36 PM
  #13776  
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Originally Posted by StevoElSupremo
Raced a C5, I lost....
Stock c5?
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Old Jun 8, 2017 | 10:05 PM
  #13777  
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Found out that the people who sold me the car didn't keep their end of bargain. Rockers and part of underbody is rotted out. They just covered with hard rubber. Also found fuel leak coming from line near tank above the exhaust.

this will be fun.
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Old Jun 9, 2017 | 09:38 AM
  #13778  
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Originally Posted by 63 Nova SS
Stock c5?
lol
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Old Jun 9, 2017 | 10:56 AM
  #13779  
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Slobodan Milošević
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Not today, but I swapped wheels and brakes for significantly lighter models, did some more generic weight reduction, and got the car aligned.

V10 r8 with just an exhaust. Ctsv is bolt on tune LSA car. Was hot as hell in Mexico 90+*f and I was pulling timing halfway through 4th, and the ctsv was having serious heat issues as well.

For comparisons sake, I used to be pretty damn even with the r8. If he got any sort of hit, I couldn't I catch him. now after the rotational mass drop and alignment, you can see the difference. If he gets a jump, I can drive around. It's amazing what a few pounds can do. Weight is the enemy.

Lokks slow when everyone is in a pack with no real stationary reference, but it was ~60-140ish haha


Last edited by 07blackg5; Jun 9, 2017 at 11:26 AM.
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Old Jun 9, 2017 | 11:13 AM
  #13780  
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^^^

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Old Jun 10, 2017 | 06:22 PM
  #13781  
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Originally Posted by 63 Nova SS
Stock c5?
LOL IDK, would a stock SS TC run a stock C5? it did stoke my interest in the C5 though as it sounded Gnarly
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Old Jun 10, 2017 | 06:44 PM
  #13782  
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Pulled my valve cover to make sure everything looked okay. Looked brand new, so that was nice. Changed my plugs and put it back together.
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Old Jun 10, 2017 | 07:25 PM
  #13783  
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Want to burn it to the ground.........
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Old Jun 10, 2017 | 08:19 PM
  #13784  
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Originally Posted by Snail_SS
Want to burn it to the ground.........
Same
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Old Jun 10, 2017 | 10:16 PM
  #13785  
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From: Indiana
Originally Posted by Snail_SS
Want to burn it to the ground.........
No you really don't. Modding cars can get frustrating. Back away and do something else for awhile.
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Old Jun 10, 2017 | 10:17 PM
  #13786  
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From: Indiana
Originally Posted by StevoElSupremo
LOL IDK, would a stock SS TC run a stock C5? it did stoke my interest in the C5 though as it sounded Gnarly
I can hang with a stock c5. Over 120 who knows.
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Old Jun 10, 2017 | 10:42 PM
  #13787  
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Originally Posted by 63 Nova SS
No you really don't. Modding cars can get frustrating. Back away and do something else for awhile.
Nah I don't but I do lol its complicated. Yeah once I get frustrated I step away but I have barely driven the car to get it boosting properly and nothing I do will fix the damn problem its annoying. The car pretty much has been standing for a yr+
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Old Jun 11, 2017 | 07:48 AM
  #13788  
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From: Indiana
Still have boost leaks?
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Old Jun 11, 2017 | 07:53 AM
  #13789  
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Originally Posted by 63 Nova SS
I can hang with a stock c5. Over 120 who knows.
lol you've got like 100hp on me
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Old Jun 11, 2017 | 09:42 AM
  #13790  
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From: Indiana
Originally Posted by StevoElSupremo
lol you've got like 100hp on me
Just wait till I get that efr on...
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Old Jun 11, 2017 | 04:11 PM
  #13791  
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From: El Paso, TX
Originally Posted by 63 Nova SS
Still have boost leaks?
I doubt it at this point, something else is wrong, I will do a final one just to make sure tho. But according to kevin I'm supposed to be hitting 30+ and it only gets to 21psi
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Old Jun 12, 2017 | 08:19 PM
  #13792  
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Decided that the balt is going to the scrap yard, it was fun while it lasted.

It is sad too, there are no leaks whatsoever in the engine or tranny. body and frame just rotted out around it.
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Old Jun 12, 2017 | 10:05 PM
  #13793  
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Originally Posted by Meystrike
Decided that the balt is going to the scrap yard, it was fun while it lasted.

It is sad too, there are no leaks whatsoever in the engine or tranny. body and frame just rotted out around it.
That bad? I didn't think these cars were that old yet.

The problem with the SS is that it has those rocker moldings that trap salt, dirt and moisture in there. I've been thinking about pulling mine off and waxing under there to delay the inevitable. There's surface rust on the pinch welds, but nothing major. Been oil sprayed the last 2 years.
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Old Jun 12, 2017 | 10:10 PM
  #13794  
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You could sell the drivetrain for like 2 grand. Why would you scrap it for $200?
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Old Jun 12, 2017 | 10:11 PM
  #13795  
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From: NH
Originally Posted by chris88z24
That bad? I didn't think these cars were that old yet.

The problem with the SS is that it has those rocker moldings that trap salt, dirt and moisture in there. I've been thinking about pulling mine off and waxing under there to delay the inevitable. There's surface rust on the pinch welds, but nothing major. Been oil sprayed the last 2 years.
Yeah whomever had the car before me didn't take care of the body at all only the engine and transmission. I started picking away at the rust on the rockers (Trying to get to good metal) and found the frame underneath rotted. I poked at it to see if it was sound and the thing went right through it with little resistance at all.


Was going to Bondo as a band-aid but it isn't worth it.
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Old Jun 12, 2017 | 10:20 PM
  #13796  
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They must have changed the kind of salt that they use on the roads around here, because a car shouldn't be that rotted out after 10 years unless it had some kind of shade tree bodywork done to it or something extreme.

NY uses CaCl and a brine mixture (salt water that they spray on the highway) depending on the weather. Years ago they just used rock salt, which wasn't as corrosive. It's keeping me from buying a new car because I know it'll just look like **** in 5 years underneath.
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Old Jun 13, 2017 | 12:31 AM
  #13797  
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Have you gotten any quotes on getting the rockers repaired?
I may have to do mine.
New weld in (NOT slip on) rockers for a cobalt coupe are $54 Canadian each.

I've done 3 rocker jobs in the last year.
1997 Buick Lesabre - needed rockers both sides, inner rocker on one side. Previous owner had already had a slip on put on one side, the mess underneath had spread into the inner rocker.
2006 VW Jetta - Needed rockers both sides (the only aftermarket rockers available were from VW and cost $820 per side because rocker, rear quarter, and c-pilar are all one piece. I ended up forming new rockers out of 18ga satin coat sheet metal on the brake press at work)
2004 Chevy Silverado - needed rockers, inner rockers, and cab corners on both sides. Because it's cab on frame, it's not structural so I fully welded in just a patch for the inner rockers after I cut the rust out.

In each case the owner sourced their own rockers and material, I cut out the old rotten metal, welded in the new material and buffed the weld ready for paint. I charged each of them $700 in labour.


Before you give up on her completely, get some quotes. Not all "shade tree" or backyard mechanics are bad. I'm a welder/fitter by trade, this is just something I've found I can do in my spare time.
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Old Jun 13, 2017 | 12:33 AM
  #13798  
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Originally Posted by StevoElSupremo
LOL IDK, would a stock SS TC run a stock C5? it did stoke my interest in the C5 though as it sounded Gnarly
No, but it wouldn't be a blood bath either.

Originally Posted by 63 Nova SS
I can hang with a stock c5. Over 120 who knows.
You would absolutely freight train a stock C5

Originally Posted by Snail_SS
I doubt it at this point, something else is wrong, I will do a final one just to make sure tho. But according to kevin I'm supposed to be hitting 30+ and it only gets to 21psi
Did you check your wastegate preload bro? Does the boost come on pretty nicely or is it sluggish? I'm sure KMO would have you check these things but it's possible that the nut/rod came loose and backed off a bit?
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Old Jun 13, 2017 | 03:04 AM
  #13799  
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Originally Posted by chris88z24
They must have changed the kind of salt that they use on the roads around here, because a car shouldn't be that rotted out after 10 years unless it had some kind of shade tree bodywork done to it or something extreme.

NY uses CaCl and a brine mixture (salt water that they spray on the highway) depending on the weather. Years ago they just used rock salt, which wasn't as corrosive. It's keeping me from buying a new car because I know it'll just look like **** in 5 years underneath.
buy it... and spray the undercarriage
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Old Jun 13, 2017 | 06:08 AM
  #13800  
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From: NH
Originally Posted by SS_MuNky
Have you gotten any quotes on getting the rockers repaired?
I may have to do mine.
New weld in (NOT slip on) rockers for a cobalt coupe are $54 Canadian each.

I've done 3 rocker jobs in the last year.
1997 Buick Lesabre - needed rockers both sides, inner rocker on one side. Previous owner had already had a slip on put on one side, the mess underneath had spread into the inner rocker.
2006 VW Jetta - Needed rockers both sides (the only aftermarket rockers available were from VW and cost $820 per side because rocker, rear quarter, and c-pilar are all one piece. I ended up forming new rockers out of 18ga satin coat sheet metal on the brake press at work)
2004 Chevy Silverado - needed rockers, inner rockers, and cab corners on both sides. Because it's cab on frame, it's not structural so I fully welded in just a patch for the inner rockers after I cut the rust out.

In each case the owner sourced their own rockers and material, I cut out the old rotten metal, welded in the new material and buffed the weld ready for paint. I charged each of them $700 in labour.


Before you give up on her completely, get some quotes. Not all "shade tree" or backyard mechanics are bad. I'm a welder/fitter by trade, this is just something I've found I can do in my spare time.
I actually work for a parts store as a commercial account driver doing deliveries. I've been talking with the shops that I deliver to trying to get an idea on what it would take. Pretty much to a one after they see the pictures they have all told me I'd be better off selling the car and getting a new one.

The other thing is in August I'll be moving and have to do a 1400 mile drive to FL where I'll be living. I am thinking I'm going to run the car until at least then and then either drive down and scrap it or find one there that needs and engine and swap the engine and tranny from mine into the new body.

Last edited by Meystrike; Jun 13, 2017 at 06:13 AM. Reason: extra info
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