Andrews example would be a C4, auto trans
, they have 3 speeds and your shifter bezel should show 1,2,D(3rd).
If you are in park and you put it in 1 your car will accelerate and the RPM's will continue to climb until you shift it or burn it out (5-6-7K, etc. depending on what your motor/trans
can handle), meaning you're going to want to shift before the RPM's get too high or the engine will be screaming and when you do shift get ready for a hard shift.
I wouldn't suggest manually shifting much past 3500 on a stock motor to start with if you don't want to stress the trans
and practice at low RPM's like 3-3500K. You simply start out in 1 and when you get to the RPM you want to shift at push the handle forward to 2, then when the RPM's climb again push it to D (3rd).
IF you plan to do it often I'd invest in a built trans
. with a better valve body.
'67 Coupe 289 stroked to 333, AOD, 9" w/3.50:1, PDB, Candyapple red w/red deluxe int., PS, ext. decor group, light group, foxbody seats.
'09 Black Warriors In Pink with glass roof - the wifes Mustang.
"If it ain't broke, I haven't fixed it yet" -Jon