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torque converters #1476150 07/29/13 08:46 PM 07/29/13 08:46 PM
Joined: Mar 2004 Posts: 300 St.Louis ,Mo. 7 72sat OP enthusiast
72sat OP enthusiast 7 Joined: Mar 2004 Posts: 300 St.Louis ,Mo.	are old converters (727,904)compatable with new trans 518s

Re: torque converters [Re: 72sat] #1476151 07/30/13 08:45 AM 07/30/13 08:45 AM
Joined: Oct 2006 Posts: 176 NC USA U ultimatelenny member
ultimatelenny member U Joined: Oct 2006 Posts: 176 NC USA	No, different spline counts. The 518 is a lock up and the 727/904 is not. Lenny Croteau www.ultimateconverter.com Phone 704-892-6837 Fax 704-892-6880

Re: torque converters [Re: ultimatelenny] #1476152 07/30/13 02:31 PM 07/30/13 02:31 PM
Joined: Jan 2003 Posts: 25,925 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,925 Rio Linda, CA	Not all 518's are lockup, if the 518 is non-lockup the 727 converter will work. 904 converter won't fit any 518. The INTERNET, the MISinformation superhighway

Re: torque converters [Re: John_Kunkel] #1476153 07/30/13 04:02 PM 07/30/13 04:02 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	Quote: Not all 518's are lockup, if the 518 is non-lockup the 727 converter will work. 904 converter won't fit any 518. I had to go to the 518 non lock up input and I changed pumps at that time also so I could use a standard 727 high stall conv in my 518

Re: torque converters [Re: ultimatelenny] #1476154 07/30/13 05:11 PM 07/30/13 05:11 PM
Joined: Jan 2003 Posts: 5,894 Florida Locomotion master
Locomotion master Joined: Jan 2003 Posts: 5,894 Florida	Quote: No, different spline counts. The 518 is a lock up and the 727/904 is not. Many 727's and 904's become lock-up starting in the late '70's.

Re: torque converters [Re: Locomotion] #1476155 07/30/13 10:58 PM 07/30/13 10:58 PM
Joined: Mar 2004 Posts: 300 St.Louis ,Mo. 7 72sat OP enthusiast
72sat OP enthusiast 7 Joined: Mar 2004 Posts: 300 St.Louis ,Mo.	so,how do I identify a lock-up and non lock- trans? and converters?

Re: torque converters [Re: 72sat] #1476156 07/30/13 11:15 PM 07/30/13 11:15 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	Quote: so,how do I identify a lock-up and non lock- trans? and converters? The lock up conv is big... as far as I know they only built the one diameter and its like 11.5... on the trans that pretty easy... if you have a 518 and its a 1 pin connector that is OD only... a 3 pin is OD and lock up... you dont want the 7 pin one.. thats a computer controlled one and is all electrical controlled

Re: torque converters [Re: 72sat] #1476157 07/30/13 11:22 PM 07/30/13 11:22 PM
Joined: Aug 2003 Posts: 1,062 Amherst,NY challengermike super stock
challengermike super stock Joined: Aug 2003 Posts: 1,062 Amherst,NY	Quote: so,how do I identify a lock-up and non lock- trans? and converters? Look at the end of the input shaft, if there's a hole going deep into it it's a lockup.

Re: torque converters [Re: challengermike] #1476158 08/01/13 03:43 AM 08/01/13 03:43 AM
Joined: Mar 2004 Posts: 300 St.Louis ,Mo. 7 72sat OP enthusiast
72sat OP enthusiast 7 Joined: Mar 2004 Posts: 300 St.Louis ,Mo.	thanks everyone

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