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  #1  
Old 10-27-2014, 10:55 PM
ramos291 ramos291 is offline
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Default Cruise-O-Matic shifting

I am trying to figure out if Im having shifting issues. My shift lever has P, R, N, D2, D1, L. can some one explain the difference with the D2, D1, L. The reason i am asking is that I am only feeling one shift when I drive off in D2. Maybe I should start off from D1?

Thanks 61 Thunderbird 390 Cruise a Matic.
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  #2  
Old 10-27-2014, 11:43 PM
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You should start in D1. That gives you the normal drive range from first gear, to second gear, to third gear. D2 starts in second gear. L is first gear only.

John
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http://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm
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  #3  
Old 10-28-2014, 09:24 AM
Yadkin Yadkin is offline
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L can also be used to downshift from 3rd to 2nd at higher speeds. As the car slows down further it will then downshift into first and stay there.
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Old 10-28-2014, 09:51 AM
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Cool

Randy agree with John always start out in D1.
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  #5  
Old 10-28-2014, 11:48 AM
ramos291 ramos291 is offline
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Thank you John. I think i have been starting off in D2 all this time thinking it was the correct drive off possession. Perhaps starting off in D1 it will feel a bit quicker from the get go and not as sluggish.
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Old 10-28-2014, 11:57 AM
ramos291 ramos291 is offline
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interesting info but sounds scary to attempt. Imagining going down the road in 3rd and then manually shifting to L? Not sure I fully understand.
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  #7  
Old 10-28-2014, 12:18 PM
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Here's a link that explains how the gear selection works. You can find this info in the Technical Resource Library.

http://www.squarebirds.org/picture_g...on-n-Fixes.htm

John
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  #8  
Old 10-29-2014, 09:05 AM
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Good read John. I assume the little dot big dot on my 64 corresponds to D2 D1.
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  #9  
Old 10-29-2014, 11:03 AM
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Great information Sir! Exactly what I wanted to know. Thank you!
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  #10  
Old 10-30-2014, 10:26 AM
ramos291 ramos291 is offline
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So lastnight I took the 61 tbird out for a drive after putting new modulator on the trany, replacing vacuum hoses and adjusting the shift linkage (I hope correctly) and started off in D1 this time. The Tbird seems stronger as I started off and it did shift into 2nd yet not so smoothly and did not shift into 3rd. Any thoughts I might recheck/do for not shifting smoothly and to shift into 3rd?
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