Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
|
|||||||
| Register | Album Gallery | Thread Gallery | FAQ | Community | Calendar | Become a Paid Member | Today's Posts | Search |
|
|
Thread Tools | Display Modes |
|
#2
07-16-2015, 09:56 PM
|
||||
|
||||
Re: Early Muncie Decode
Number of rings (grooves) cut into the input shaft. No grooves is a M20, one groove would be a M21. Since you also bring up M22, M22's also have no grooves, but you've already ruled that out.
__________________
...................... John Brown This isn't rocket surgery..... 
|
|
|
Threaded Mode