I keep seeing "R" , "S", "A", Even a J & K Code.Can someone tell me what these mean??
Thank you.

 

http://www.vintage-mustang.com/topic...e.html#engines
from 67
Engine Codes:
T - 200 ci 1V 6 cyl 120 hp
C - 289 ci 2V V-8 200 hp
A - 289 ci 4V V-8 225 hp
K - 289 ci 4V V-8 271 hp
S - 390 ci 4V V-8 320 hp

 

Different codes or engine codes more specifically refer to the engine the car was manufactured with. This "code" comes directly from the VIN. Below is a link to a listing of vin codes 65-70. You'll find most often people only refer to the more popular ones...the K code (289 hipo) the S code (390 4v).

http://www.vintage-mustang.com/topic...e.html#engines

 

What these guys said...

 

Thank you VERY much! That would make ours an "F" code. LOL
You learn something new everyday!
Thanks again!

 

if you have the VIN and dataplate, then hack the info into the link that scott_m_mil posted. Very informative