Converter spacing
#1323302
10/20/12 01:15 PM
10/20/12 01:15 PM
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Arkansas
JoWeTu_6
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If I took a stright edge and layed it across the bell housing section of a 727 transmission what is the distance between the torque converter and the stright edge?  Also can I grind down the hight of the feet of the converter for a little binding releaf? 
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Re: Converter spacing
[Re: JoWeTu_6]
#1323303
10/20/12 02:10 PM
10/20/12 02:10 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
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Romeo MI
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I dont know off hand but if you measure the distance of the flex plate from the back of the block and the distance of the conv back behind the front of the bell you should come up with about 1/4" of gap 
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Re: Converter spacing
[Re: JoWeTu_6]
#1323305
10/20/12 02:29 PM
10/20/12 02:29 PM
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Joined: Oct 2003
Posts: 7,506
Az
Crizila
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Az
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With the convertor pushed all the way in to the pump, you should have at least 1/4" clearance between the convertor lugs and the flexplate. You should have to pull the convertor back out to make contact with the vlexplate. If no clearance there, you have a problem somewhere. Start by making sure the convertor is fulley seated in to the pump notches. Still no clearance, it's gotta come apart, cause there is a part mismatch somewhere.
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Re: Converter spacing
[Re: JoWeTu_6]
#1323308
10/20/12 03:06 PM
10/20/12 03:06 PM
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Joined: Jan 2003
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Park Forest, IL
slantzilla
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Park Forest, IL
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The third drop can sometimes be a real pain to get.
You don't have it in the car already do you? If it's not on the third drop you'll have it wedged on the pump gears.
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Re: Converter spacing
[Re: JoWeTu_6]
#1323309
10/20/12 03:18 PM
10/20/12 03:18 PM
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Rio Linda, CA
John_Kunkel
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Rio Linda, CA
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The distance between the bellhousing face and the converter drive lugs should be at least 1/2".
If, for some reason, you do need to thin the drive lugs I wouldn't do it any way but in a lathe to be sure they're square and equidistant.
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Re: Converter spacing
[Re: moparman1954]
#1323312
10/20/12 05:04 PM
10/20/12 05:04 PM
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Arkansas
JoWeTu_6
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Well after carefull pushing and a bit of measuring and examing with the flash light I noticed nicks on the pump shaft, the torque conv. will not go all the way down because the splines dont go down any further, ergo this converter is set up for an aluminum mid plate not my 1/8 steel plate.  Thats my conclusison so I'm faced with send it back make a spacer plate or shade tree it and use washers between the trans and the block. Anyone with any ideas?
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Re: Converter spacing
[Re: JoWeTu_6]
#1323314
10/20/12 06:11 PM
10/20/12 06:11 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
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Romeo MI
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Also if you are using a 1/8" mid plate I would have it set up for that.... I run .090 mid plates and I can use the stock conv distances but with .125 it pulls the conv out to far (in my opinion)so the pump rides on a small area.... so in your case I would send it back and have it adjusted for the .125 plate
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Re: Converter spacing
[Re: MR_P_BODY]
#1323315
10/21/12 12:43 PM
10/21/12 12:43 PM
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Arkansas
JoWeTu_6
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Well hear is what I have. I put some putty between the conv and the trans and I got .165 squish. Hear is a pic of the gap between the trans and the end of the conv, the other is of the nicks on the pump shaft. I may have a bad conv, I hope not delays are killing me and @ $1200 it cant be. 
Last edited by JoWeTu_6; 10/21/12 12:49 PM.
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Re: Converter spacing
[Re: Crizila]
#1323317
10/28/12 11:41 AM
10/28/12 11:41 AM
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Joined: Jan 2005
Posts: 3,699
Newport, Mi
Evil Spirit
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Newport, Mi
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Quote:
With the convertor pushed all the way in to the pump, you should have at least 1/4" clearance between the convertor lugs and the flexplate. You should have to pull the convertor back out to make contact with the vlexplate. If no clearance there, you have a problem somewhere. Start by making sure the convertor is fulley seated in to the pump notches. Still no clearance, it's gotta come apart, cause there is a part mismatch somewhere.
You might get away with 1/4" clearance with a 727 and their stronger converter hubs, but if you can pull a 904 converter forward 1/4" you are pretty much guaranteed to break the punp drive ears off the converter stub. I shoot for .060 and shim at .090 - if you can pull the converter farther out than that you are running the pump gear lugs too far out in the converter drive stub slots, weakening it severely.
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