727 ID for Torque Converter
I have a 727 auto trans, where would I look for identification that would tell me what size the torque converter is, dimensions like 10" or 11" , number of spline teeth etc.....
Thank you Joe. |
spline count is all the same on the 727, unless its a lock up converter,
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Thanks buddy, 24 tooth spline it is.
Many of the ads I've read talk about 11" or 10" converter and some reference a 10" bolt pattern. Is there a way of telling from outside the trans what I have? Will either or fit regardless of what's in there now? I would like to have all the parts on hand before tearing into it. |
What did you find out? I am going to need a torque converter for my 74 727. It's for a big block, and I was wondering if one from a slant six would work? I believe it is the smaller 10" but not sure. It seems to me the smaller converter was used in heavier applications such as trucks and muscle cars. Is this so? Also Greaser you need to match the year to the motor as they were balanced internal or external. As long as the splin is the same it will fit, but balance is an issue.
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I got spun off on another project and have not followed up on this.
I am still interested in a installing a High rpm TC, but know no more about it yet. Joe. |
Convertor Info
Hey guys, going through this issue now Wit a 727: There are couple of different converters - the 19, 24 spline (and 27?). 19 equates to a 1966 and older transmission. The 24 is 1967 and newer transmission. As for the big/small block issue, from what I understand is some or all? SB's have five or more bolt pattern to the converter with a different size flex plate. I'm not a small block guy, so would not know. I am having an issue with a 1966 727. Was not aware there where non-push button 727's out there with 19 splines - seems I am lucky and have one? Anyways do search on 19 vs 24 spline 727's. MoparMag has a great article on these issues along with lock up vs non-lockups, Hope this helps
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1 Attachment(s)
Cazbah362
Thanx for the info. I am pretty sure the bolt pattern on the flex plates are the same on the converter side. I have flex plates for all engine sizes. I was wondering about "application" more than fit, with the /6 converter being up to the big block. I think it is a smaller diamiter unit wich seems to be the way the heavy duty units are. Was just wondering if I can use what I have or if I need a specific big block converter. Don't need high stall but the car is kinda heavy (68 Chrysler New Port 4 door) and thought heavy duty would be best. bboogie |
Flex Plate
bb -
As for the flex plate, I am not sure? One place I have found a lot of help is Pat Blais from Ebay (tflitepatty@verizon.net) He has a store in Washington State and has been a GREAT help. Just off the cuff, I have a 24 spline 11" converter without a flex plate (four bolt) if you would like it. Pay shipping or come by and grab it - Shipping is from Reno area and its HEAVY. It is for an internally balanced motor - IM me if you are interested. Good luck |
Never did a Mopar TC, but are some of them weighted for externally balanced motors? Just something to check before you end up with a horrible vibration.
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Originally Posted by scotts74birds
(Post 65398)
Never did a Mopar TC, but are some of them weighted for externally balanced motors? Just something to check before you end up with a horrible vibration.
Still no input on the /6 converter working with a mild 400? |
Forged crank is a dead give away...if it is an original forged crank motor it will always be an internal balance motor...cast crank 99% of the time external balance...go to Transmission Specialties and get a 9 1/2 convertor...I was told my Rick with A&A that Mopar never made a 10" convertor they were always 11" convertors...the aftermarket 10" ones are from Fords and Chevys
http://transmission-specialties.com/ |
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