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Originally Posted by Transman
Originally Posted by B300 VanDanage
Originally Posted by 4406bbl
Originally Posted by B300 VanDanage
Ok so I noticed the throttle adjustment screw has some discoloration on the threads from where it was originally adjusted correctly. I measured the gap with the 1/8" bit and the throttle screw is off by at least 1/8th"!

The shop that rebuilt this made too many rookie mistakes IMO... Makes me suspicious... shake_head

Is that thread locker or just paint on those threads?


Threadlocker, they used a locknut on earlier valve bodies. I would go with the first spec I gave you for the regulator, but it is your call. Yes they made a few mistakes.


I really don't understand the difference of the pressure adjustment...

What difference will it make setting the line pressure at 1 1/4" vs 1 9/32?
Is it that the tighter the adjustment the more "umph" it will have for shifting?


Tighter adjustment means more line pressure. That’s means a more firm clutch or band application, more holding effort. Each full turn is around 1 to 1-3/4 more psi depending on spring condition.


Ah I see. Yeah I can visualize it now thanks.

It was apparently set at 1 9/32" and I decided on 1 1/4"... Just 1/32" closer and a tad more line pressure for the heavy duty clutches I installed. I'm happy with that...