C38-153661 Spitfire ID help

[Sawyers Mill]

Got a picture of the serial number stamped below the head and it reads C38-153661.  Says spitfire. Any info ? I'm not finding anything. Thanks

[9 foot box]

Google t137.com and click flathead six engine numbers. 

[Frank Elder]

Why 2 posts on the same subject? C38 I believe is a 46 to early 49 chrysler Windsor/Royal with a 251 cubic inch motor.

[greg g]

46-48/9 250.5 cu in

[9 foot box]

   I was directing Sawyers Mill to the info, to find his self. Yeah Sawyers, just continue to post at this thread, it's the start of your project. Check out the resources and technical info at the top of this page, also. Post some pictures of your projects. Welcome to the forum newbie.