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torque convertor: 727
#2054870
04/15/16 11:42 AM
04/15/16 11:42 AM
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Joined: Aug 2003
Posts: 8,828
Houston, Tx
hemi68charger
OP
master
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OP
master
Joined: Aug 2003
Posts: 8,828
Houston, Tx
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Hey gang..
Friend posed a question and I was sort-of-puzzled.
Will the torque converter for a small block 727 fit into a big block 727? It is my understanding the input shaft on the tranny is the same, after all, isn't the basic difference between a small black 727 and a big block 727 the case?
If that's the case, then he would just have to have the appropriate flexplate for his application.. no?
Thanks in advance...
TroyHouston Mopar Connection Club'69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)
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Re: torque convertor: 727
[Re: hemi68charger]
#2054880
04/15/16 11:52 AM
04/15/16 11:52 AM
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Joined: Aug 2005
Posts: 11,543
chicagoland,usa
buildanother
I Live Here
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I Live Here
Joined: Aug 2005
Posts: 11,543
chicagoland,usa
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I believe you're correct, although the year identity still matters on some older stuff.
Last edited by buildanother; 04/15/16 11:53 AM.
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Re: torque convertor: 727
[Re: hemi68charger]
#2054902
04/15/16 12:37 PM
04/15/16 12:37 PM
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Joined: Feb 2014
Posts: 416
Georgia
KingTuna
mopar
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mopar
Joined: Feb 2014
Posts: 416
Georgia
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66 and back had a lower spline count (18 i think) and 67 up had a 23 spline count. Don't quote me on those numbers, but its close. So yes, he could use the converter as long as he uses the correct flexplate or weights on the converter.
Last edited by KingTuna; 04/15/16 12:38 PM.
2014 Ram 1500 Pentastar V6
1966 Fury II 4 door
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Re: torque convertor: 727
[Re: KingTuna]
#2054904
04/15/16 12:42 PM
04/15/16 12:42 PM
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Joined: Aug 2003
Posts: 8,828
Houston, Tx
hemi68charger
OP
master
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OP
master
Joined: Aug 2003
Posts: 8,828
Houston, Tx
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66 and back had a lower spline count (18 i think) and 67 up had a 23 spline count. Don't quote me on those numbers, but its close. So yes, he could use the converter as long as he uses the correct flexplate or weights on the converter. Thanks... 1 off.. They are 24 spline.. 
TroyHouston Mopar Connection Club'69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)
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Re: torque convertor: 727
[Re: hemi68charger]
#2055013
04/15/16 04:13 PM
04/15/16 04:13 PM
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Joined: Dec 2003
Posts: 6,710
KY
65pacecar
master
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master
Joined: Dec 2003
Posts: 6,710
KY
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66 and back had a lower spline count (18 i think) and 67 up had a 23 spline count. Don't quote me on those numbers, but its close. So yes, he could use the converter as long as he uses the correct flexplate or weights on the converter. Thanks... 1 off.. They are 24 spline.. .....And 19 Spline (getting tough to find, and expensive)
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