Quote:
Originally Posted by jkoebel
Hard and late. 1-2 at 15, 2-3 at 30, 3-4 at 60. Just as it was before I found and plugged a vacuum leak before the line that actually goes to the transmission.
So, we've determined that "no vacuum" makes it shift like it used to (****ty as all hell) and "good vacuum" makes it shift WAY too early (1-2 about 1 second after it gets gas, <5 mph, 2-3 at like 20, 3-4 at 35 or so -- and it also "slips" and revs randomly for a second then quiets down again. Never does this in the "no vacuum" condition.)
Have I narrowed it down to the modulator yet, or should I try replacing the crap on my valve cover entirely first? (3/2, levers, internal lines) they look pretty beat up.
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Very good.
So, we know that we can get the desired results with a vacuum adjustment.
Now, I'm not personally familiar with the 616, but we need to determine if the VCV on the IP is adjustable.
Please look at the VCV and tell me if it has a small domed cover on the forward end (closest to the radiator). The domed cover will be facing the left side of the vehicle (facing you when you're looking in there).
Nothing needs to be done with the modulator and nothing needs to be done with the 3/2 valves............just get that out of your mind completely and don't touch anything else.