TH400 shift kit modifications?
So I want to put a Transgo shift kit in my TH400. I don't know the year of the trans or what's been done to it. It does shift like it's had some work done to it. The shifts are firm, but inconsistently so. I can't feel it downshift as I approach a red light. It does have a torque converter that's on the loose side. I've already checked the modulator and governor.
How do I tell if it's had the direct dual feed mod done internally, without pulling the trans? The TG shift kit dual feeds the direct using a separator plate. Supposedly it doesn't play well if the direct is dual fed by removing stator rings or lip seals. Is there anything I can look for when dropping the valvebody?
If I can't tell if the internal dual feed mod has been done, should I retain the stock separator plate, open the holes to match the TG plate and use the TG springs in the VB?
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I could explain all this to the girl at the parts store, but she'd probably call the asylum.
White '67 LeMans 407/TH350/Ford 3.89... RIP
Red '67 LeMans. 407/TH400/Ford 3.25
Last edited by chiphead; 03-15-2024 at 11:59 AM.
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