727 part throttle down shift questions ?

TrailBeast said

Doh, a year off apparently.
T flight Patty said he's closing up, but I haven't checked lately.

Click to expand...

My Google-Fu says...

'71 was the first year for PTK in the V8 but it goes back to '67 on the 904 when used on the /6.

The early 904 version had no limit valve but the '71 and later V8 has the limit valve.