tune up specs.

[cchigg]

I have a C-153 combine engine that I am putting together and have no info on tune up specs.Can anyone help me with plug type,number and gap also point setting. Thanks for any help.

 

[IHC Red]

plug gap .023
my info has no plug part#s - should be easy to find

breaker point opening .020
IH93 part# 381 687 r91
IH203 part# 376 555 r92

 

[whigg]

Thank you for the info. I think the plugs are Champ. D-16