Hey GRM, hope this helps. Sounds like a very interesting car.
The VIN Decodes as follows:
VIN #: JH23L03244038
Model Year: 1970
Car Line and Model: Dodge Challenger
Price Class: High
Body Type: 2 Door Hardtop
Engine: 383 CID, 1-2BBL, 8 Cyl.
Assembly Plan: Jefferson, MI
Sequence #: 244038
The Fender tag decodes as follows:
Y05 Build to Specifications for USA order
EN2 End of Codes
N41 Dual Exhaust System
N42 Bright Exhaust Tips
R21 AM – FM Radio – Solid State – 5.5 watts
V21 Hood Performance Treatment
V7X Longitudinal Paint Accent Stripes – Black
G36 Left hand remote, right hand manual outside mirrors,
painted
J25 3 Speed Windshield Wipers - Variable
J45 Hood Tie Down Pins
J54 Sport Hood
L25 Trunk Compartment Lamp
M21 Drip Rail Moldings
FC7
A01 Light Package
A04 Basic Group
A22 Elastomeric Bumber Group – Front and rear
C16 Console with Woodgrain Panel
C55 Bucket Seats
FC7 Paint Code – Plum Crazy Metallic
H6X9 Trim Grade – High
Trim Style – Vinyl Bucket Seats
Trim Color - Black
000 Full Door Panel
203 Production date 2/3/1970
096284 Order Number
E61 383 CID, 8 Cyl, 1-2BBL, 290 HP
D32 3 Speed Automatic Transmission, 727 TF
JH23 L03 244038 VIN # explained above.
