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Click on image for the lowdown. 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#80758 08/02/2007 3:18 AM | Joined: Jul 2005 Posts: 1,158 Shop Shark | | Shop Shark Joined: Jul 2005 Posts: 1,158 | Okay, I've had another look.
It's definitely a W-1. I found it cast into the outside of the unit.
The number on the bottom, after closer inspection with a trouble light and a magnifying glass is actually 603.
I'm still not sure what the heck this thing really goes to...
This may be a question for carbking. | | |
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