I met with Jerry W. this Saturday in Detroit and asked him about his J-Mod for our cars. He sent me this picture and these updated instructions for late model cars. Finally, the answer from the man himself!!
>Ignore what the aritcle says and do this...
>
> Remove the bottom 1-2 accumulator spring and remove the bottom 2-3
> accumulator spring.
>
> For holes do this.
>
> Hole #2 is the intermediate clutch feed (1-2 shift). Make this hole in the
> .100"-.110" range. It should be .081" in your plate right now.
> Hole #10 is the reverse clutch feed. Totally optional. If you want it to
> engage into reverse faster when you move the lever, open this up to .093".
> Holes #4 & 5 are the direct clutch feed (2-3 shift). Open both of these
> holes up to .100"-.110".
> Holes #9 and 11 are the forward clucth feed (4-3/4-2 shift). Make both of
> these .100-.110" as well.
>
> So, it looks like you need a drill of around .100" and you should be good.
> When you open up holes 4&5 make sure the hole in the gasket between the
> seperator plate and valve body casting, is large enough. These holes are a
> little small.
>
> jerry
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