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1973 TF727 Convertor Install Question - Thanks!

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javsst View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote javsst Quote  Post ReplyReply Direct Link To This Post Topic: 1973 TF727 Convertor Install Question - Thanks!
    Posted: Nov/24/2020 at 9:12pm
Guys -

I'm about to re-install the 73 TF727 back in the AMX, however I have a question on the
convertor install.

How far back does the convertor go onto the splines?  The reason I'm asking is no matter how I align
the notches and rotate the convertor, the convertor bosses stick out beyond the plane of the bellhousing.

Should the convertor bosses stick out or should the entire convertor be contained within the plane of the bellhousing?

I did put a piece of sheetmetal across the bellhousing and marked how far they are forward and it looks like it's about 5/16" to about 3/8"

A mopar website on the trans talks about the bosses being recessed about 1/2", so currently I'm not even close.  May have to fight with the convertor some more......

Better to ask know than find out the hard way I didn't seat the convertor all the way :)

Thanks!

Steve


Edited by javsst - Nov/29/2020 at 9:58am
1970 Javelin SST Bittersweet Orange 360/T10 4 Speed AMC20 w/3.54s
1969 AMX BBO 360 with TF727 AMC20 w/4.10s
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 73hornut Quote  Post ReplyReply Direct Link To This Post Posted: Nov/24/2020 at 9:23pm
Was the converter originally from this trans?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote javsst Quote  Post ReplyReply Direct Link To This Post Posted: Nov/24/2020 at 9:39pm
Whups should have included that detail.

It’s a custom 10” converter with anti ballooning plates 
from Continental Convertor.

Thanks!

Steve
1970 Javelin SST Bittersweet Orange 360/T10 4 Speed AMC20 w/3.54s
1969 AMX BBO 360 with TF727 AMC20 w/4.10s
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PHAT69AMX Quote  Post ReplyReply Direct Link To This Post Posted: Nov/24/2020 at 9:43pm
The trans pump drive is the last of 3 things that need to align when installing the converter.
imho yes, the pads should be recessed about 1/2 below the trans case flange.
The pump drive is only 2 lugs on the converter snout and take a bit to get to engage.
Sometimes it can turn the pump gear when it's against it while turning the converter to get it to align.
Remove the converter, use a flashlight to get an idea of the pump drive lug locations in the trans.
Then after the 1st 2 'clunks', which are the splines, avoid pushing the converter snout against the pump gear while turning to align and get that last 3rd 'clunk' when the pump drive engages.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tomj Quote  Post ReplyReply Direct Link To This Post Posted: Nov/24/2020 at 10:51pm
As I remember it too; clunk, clunk, .... clunk. Three sets to engage.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote XJ6 Quote  Post ReplyReply Direct Link To This Post Posted: Nov/25/2020 at 6:34am
Shouldnt be difficult to engage properly as described above. Are you sure the converter is a non lock-up unit?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Heavy 488 Quote  Post ReplyReply Direct Link To This Post Posted: Nov/25/2020 at 6:58am
Look at the centernshaft on the trans. Is there a hole drilled through?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote javsst Quote  Post ReplyReply Direct Link To This Post Posted: Nov/25/2020 at 7:29am
Thanks for the info.  It's that last "clunk" that I can't seem to get, although, not pushing on the convertor after the first two should help.

Pretty sure it's not a non-lockup convertor and it all was working before I removed the trans for a gasket/seal service.

It's been years since I've removed the trans....

I'm used to the 4 speed in the Javelin where the main thing I worry about is whether the throwout bearing might fall off the fork when re-installing the trans :)

Will check on that hole in the shaft though.

Thanks!

STeve
1970 Javelin SST Bittersweet Orange 360/T10 4 Speed AMC20 w/3.54s
1969 AMX BBO 360 with TF727 AMC20 w/4.10s
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Post Options Post Options   Thanks (0) Thanks(0)   Quote javsst Quote  Post ReplyReply Direct Link To This Post Posted: Nov/29/2020 at 10:06am
Just wanted to say thank you for providing the info on getting that Convertor back on correctly :)

Seems to work a lot better knowing to expect
three clunks as well as not pushing too hard
to get that last clunk.

Turned the pump until the two “teeth” were horizontal 
as a reference, then slid the Convertor on until the
first clunk.  Then slowly rotated it with slight pressure
until the next clunk and it slid forward a bit.   This is 
where I kept getting stuck.  The final clunk came as I
rotated the Convertor, rocking slightly back and forth
with very little pressure.  That’s when it fully engaged
and the convertor bosses were positioned about a half 
inch within the bellhousing.

Thanks!

Steve


Edited by javsst - Nov/29/2020 at 10:09am
1970 Javelin SST Bittersweet Orange 360/T10 4 Speed AMC20 w/3.54s
1969 AMX BBO 360 with TF727 AMC20 w/4.10s
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