> I called my engineer dad who did a little reserch and figureing > and came up with .063 for a jet size for me.I just drilled the jets with > a 1/16 drill bit. I knew I would need more accel.pump too so I drilled > the holes to .025. Just for S&G the 1969 327 2 barrel ( 7029127/7029129) used 63 jets. p/n 7008663. Padgett