I helped a good friend of mine pick up a 1970 Roadrunner tonight, The car has a 383 four speed drivetrain (numbers matching) but there is no fender tag for the car or a build sheet. My question is how does he research the vin to find out this info?

I have the vin#RM23N0A238693

Thanx for any help in advance. my e-mail is KITCAR78@PTD.NET
Chris