C5 2003 Corvette Update
Thread Starter
Heel & Toe
Joined: Oct 2023
Posts: 17
Likes: 0
From: California
C5 2003 Corvette Update
Updating what I have done to my C5 2003 Corvette
1. Original Radiator seem caused a leak
2. Replaced radiator with an EPC https://ecp-radiator.com/products/20...c-transmission
3. DeWitts Dual Fans https://www.dewitts.com/products/sp0...067cb7b6&_ss=r.
4. PCV whole system- eBay
5. MAF Sensor- O'Reillys Auto Parts
6. Custom Brass360 fitting for Transmission cooling lines M18 by 1.5 thread to standard into radiator. Contact me for shop to custom build. Expensive
7. Smoke tested to eliminate P0171 and P0174 error codes.
8. Original Radiator for sale, contact me in great shape.
See the fitting size for the Transmission cooling lines from DeWitts https://www.dewitts.com/blogs/news/c...ssion-fittings
Video of the updates done
Video of the fans for sale
1. Original Radiator seem caused a leak
2. Replaced radiator with an EPC https://ecp-radiator.com/products/20...c-transmission
3. DeWitts Dual Fans https://www.dewitts.com/products/sp0...067cb7b6&_ss=r.
4. PCV whole system- eBay
5. MAF Sensor- O'Reillys Auto Parts
6. Custom Brass360 fitting for Transmission cooling lines M18 by 1.5 thread to standard into radiator. Contact me for shop to custom build. Expensive
7. Smoke tested to eliminate P0171 and P0174 error codes.
8. Original Radiator for sale, contact me in great shape.
See the fitting size for the Transmission cooling lines from DeWitts https://www.dewitts.com/blogs/news/c...ssion-fittings
Video of the updates done
Video of the fans for sale
Last edited by nWoVettes; Mar 11, 2026 at 02:32 PM.
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Thread Starter
Heel & Toe
Joined: Oct 2023
Posts: 17
Likes: 0
From: California
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From: Florida
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