The V21 code --- means -- that the flat black hood --- WITHOUT - 340 callout decal - was available for both the VL29 VIN coded (either a /6 or 318 V8 equipped Duster) and VS29 VIN reserved for 340 Duster models.
The VL29 VIN was the basis for the 1971 Duster Twister model which was not...
The V21 code on the fender tag is the flat black hood treatment WITHOUT the 340 callout decal, according to the official salesman pocket guide from 1971 (See the Hamtramck library website for more details).
Here is the link at that website to the 1971 salesman pocket guide showing codes with...
Do you have the original seat mounting brackets to go with the front seat? Do you have the original radiator and shroud? Do the original 14" rallye road wheels come with the car? Is the car still original small bolt pattern with the 4 piston Kelsey Hayes calipers?
Is the thumb wheel...
That engine compartment - PAINTED BLACK ( a big NO NO on a Mopar ) .... and what's with the big dent in the radiator tank ?
$21K for a car with those things and that mis-matched carpeting... what else was screwed or covered up ...???
That's a 318 with some new parts throughout the car ---...
Decoding of Fender Tag: Botttom to Top, Left to Right
Code
Description
E55
340 - 4 Barrel (6 - Barrel w/ A53 Code)
D21
Heavy Duty 4-Speed Manual Transmission
LM23
L = Dodge Dart / Demon
M = Medium
23 = 2 Door Hardtop
H0R
H = 340 275HP 1-4BBL 8 CYL
0 = 1970
R = Windsor, ONT, CAN...
Here is a good reference for placement of the DEMON 340 decal on the rear tail panel - rear transverse stripes.
Moving the DEMON decal to the left - and placing the 340 decal BELOW the DEMON decal is what the factory did in 1971...
Reach out to Billy Hughes at C + C Garage in Vienna VA. Billy had connections with a retired machinist located out near Winchester or Gainesville VA. Billy runs the Roadrunner titled "Foolish Pleasure". Post up what you learn ....
What is going on with the rear lower drivers side quarter panel and drop off on the car for sale ? Is that an extra lip added to the bottom of that rear quarter near the wrap around segment of the rear bumper ? The stripe at that junction looks way off ....
This concept car was a small blurb in several magazines back in that time frame. I was 17 at the time and had subscriptions to Hot Rod, Car Craft, and Popular Hot Rodding.
Keep in mind car manufacturers always released concept cars back in that time frame to gauge public reaction.
There...
I agree with OTTMUNDR --- don't junk up your car with those gawdy looking large letters .... it's better to remain stealth except to those who know what you have ....