Re: 1970 Chevy pickup C20
I don't know about those 2 part numbers, but pretty much the difference is straight across bolt pattern and offset bolt pattern. Each one corresponds to a different size flexplate.
__________________
'83 K20-TPI
'73 C10
'79 C10-ex-diesel(SOLD)
'07 Tahoe(Son driving)
'14 Suburban-DD
'71 C10-current project
|