727's shifts suddenly a lot softer?
#1279639
08/05/12 02:17 AM
08/05/12 02:17 AM
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Joined: Jul 2011
Posts: 817 Eugene, Oregon
Secret Chimp
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Eugene, Oregon
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I noticed the shifts from my car are a lot softer than they used to be several weeks ago, even under power. 1-2-3 cruising is imperceptible, but even under WOT they're kind of wussy. Yes, I have checked and my linkage is at the full rear stop when my throttle is at WOT. I haven't run it low on fluid or anything. Only difference I can think of is that it's been a bit warmer around here lately. (Relatively speaking - like 70s-80s vs 60s)
It's got 107-110k on it, is it possible it just needs to have the pan dropped and the bands adjusted or something? It's not slipping or misbehaving otherwise, it's just different. It'd be super for cruising if it didn't also seem a bit soft under hard power.
1967 Dodge Coronet Deluxe station wagon
1.03" T-bars, QA1 arms/rods, Cordoba/GM Metric/Volare brake & knuckle, XHDs, Hellwig rear sway, 318 Magnum w/ air gap, 727, 3.23s
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Re: 727's shifts suddenly a lot softer?
[Re: moparjo68]
#1279641
08/05/12 03:27 AM
08/05/12 03:27 AM
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Joined: Jul 2011
Posts: 817 Eugene, Oregon
Secret Chimp
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Not sure when it was last changed, I've never done it myself but I've only put around 4,000 miles on it since I bought it. The fluid's always been a good cherry red color, still is. Smells almost like fresh fluid still.
1967 Dodge Coronet Deluxe station wagon
1.03" T-bars, QA1 arms/rods, Cordoba/GM Metric/Volare brake & knuckle, XHDs, Hellwig rear sway, 318 Magnum w/ air gap, 727, 3.23s
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Re: 727's shifts suddenly a lot softer?
[Re: Graham]
#1279643
08/06/12 01:08 PM
08/06/12 01:08 PM
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Joined: Jul 2011
Posts: 817 Eugene, Oregon
Secret Chimp
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Drove it for awhile in hot weather yesterday and noticed 2-3 is always a little better than 1-2, but it's kind of inconsistent. I have no idea what kind of fluid is in there save for the couple of quarts I've topped it up with over the last year and a half. Is there a "wrong" kind of fluid for these things that might have poorer friction characteristics in warmer weather? I've read everything from Dexron to 10W hydraulic fluid, I'm not sure what to put back in here when I drop the pan.
1967 Dodge Coronet Deluxe station wagon
1.03" T-bars, QA1 arms/rods, Cordoba/GM Metric/Volare brake & knuckle, XHDs, Hellwig rear sway, 318 Magnum w/ air gap, 727, 3.23s
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Re: 727's shifts suddenly a lot softer?
[Re: Dodgem]
#1279649
08/07/12 05:46 PM
08/07/12 05:46 PM
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Joined: Jul 2011
Posts: 817 Eugene, Oregon
Secret Chimp
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super stock
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Eugene, Oregon
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I just saw that thread from the guy who completely lost 2nd on his 904 and fixed it with a band adjustment - I'll take a red shower this weekend and tighten things up. I must have finally pulled some slack out of them with all of my 2nd gear decels off the highway in the interest of saving my can't-be-turned-again giant 11 inch drums. Since apparently Type F has friction modifiers I think I'll stick with Dexron in the interest of being nice to ye olde clutches.
1967 Dodge Coronet Deluxe station wagon
1.03" T-bars, QA1 arms/rods, Cordoba/GM Metric/Volare brake & knuckle, XHDs, Hellwig rear sway, 318 Magnum w/ air gap, 727, 3.23s
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