I bought an Optimizer NAVSTAR

[2INSANE]

Got it. Thanks. Didn't know the trans. would do that.

If remembered correctly, I believe the pre 1986 700R4 lockup is hydraulicly controlled. The 1986+ is electronically controlled.

Mine is a 1985 :-)

[DmaxMaverick]

If remembered correctly, I believe the pre 1986 700R4 lockup is hydraulicly controlled. The 1986+ is electronically controlled.

Mine is a 1985 :-)

They are all electrically controlled, but the earlier years would see the hydraulic circuit open at low speed. I've not researched or mod'd later than 86, so I don't know how they may behave. 1987.5 was a transition year, so that likely has something to do with it. I have heard of some of them staying locked all the way to stall, but never seen it for myself.

[2INSANE]

They are all electrically controlled, but the earlier years would see the hydraulic circuit open at low speed. I've not researched or mod'd later than 86, so I don't know how they may behave. 1987.5 was a transition year, so that likely has something to do with it. I have heard of some of them staying locked all the way to stall, but never seen it for myself.

There is no electronics at all on mine. I feel it lock up in 3rd gear. Has a cool grumble sound when it unlocks. So far loving it! Knock on wood…

[DmaxMaverick]

There is no electronics at all on mine. I feel it lock up in 3rd gear. Has a cool grumble sound when it unlocks. So far loving it! Knock on wood…

I didn't say electronics. It's electrical. It's there. None of them are not electric.

[2INSANE]

I didn't say electronics. It's electrical. It's there. None of them are not electric.

Ok. There is nothing “electrical” going to my 700r4. TV cable and linkage is all that is hooked up to it.

I did a whole write up about my 700r4. There are a lot of pictures! Hope this helps.

Post #5 Picture 8. The electrical plug is there to keep dirt out but nothing is hooked up.
https://www.steelsoldiers.com/thread...-m1009.206236/