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| Lock up for mpg https://slantsix.org/forum/viewtopic.php?t=46332 |
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| Author: | olafla [ Thu Sep 15, 2011 12:26 pm ] |
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It is relatively easy to replace the transmission and converter, so unless you need a new one right away, you could always use the one you have while being on lookout for a suitable replacement object. Time is a very relative thing in the slanted world! Good hunting! Olaf. |
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| Author: | raPoM [ Thu Sep 15, 2011 12:30 pm ] |
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Yep thats the plan. Find a good trans,buy the transgo kit,install it,then replace the stock trans. |
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| Author: | Jeb [ Sat Sep 17, 2011 8:39 am ] |
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I have a lock up 727 in my D150, with 3.25 gears outback. The combo seems to work good. The only gripe I have is the fact that the convertor lockup is done hydraulically, so I really can't have any control over it. On my chevy (TH350C) I had a toggle switch on the dash so I could control my convertor lockup. On the dodge I can't do that so I have to deal with the convertor locking in as soon the truck shifts into third gear, which is really annoying. |
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| Author: | olafla [ Sat Sep 17, 2011 12:31 pm ] |
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Jeb, the lock-up point can be changed, follow the link below. I directed you all to the incorrect thread (sorry raPom), when referring to bigslant6fan's thread about the difference in the lock-up mechanism for different years. The correct one is: Disection of a 1978 S/6 lock-up 904 trans. Olaf. |
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| Author: | raPoM [ Sun Sep 18, 2011 2:14 am ] |
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Thanks for that Olaf. I will be buying a L/U 904 from Wes this weekend,he says it is out of an 80 Volare so it should be the better trans. Should I still buy the shift improver kit you linked on the last page? |
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| Author: | 70valiant [ Sun Sep 18, 2011 5:27 am ] |
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I had an A999(I think, it came out of a big van) I installed a cheetah shift improver and cranked the line pressure up per Doc's instructon. Behind my very healthy slant it would lock up at 45-50 mph if I wasn't "on it" I would watch it drop 300-350rpm on the tach. I would get 21mpg cruising at 70mph turning 3100rpm. The rear was an 8 3/4 3.23 SG and 24" tall tires(235/60R14) |
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| Author: | Jeb [ Sun Sep 18, 2011 10:15 am ] |
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Thanks guys I will definitely look into that. My convertor locks up at 35-40 MPH unless you have it nailed to the floor. |
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| Author: | Rug_Trucker [ Tue Sep 20, 2011 4:24 pm ] |
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Can you get 2500-3000 stall converters for the LU's?? |
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| Author: | Dart270 [ Tue Sep 20, 2011 8:02 pm ] |
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I have seen up to 3000 RPM stall on a V8. I have a 3000 stall (rated for V8 ) converter on my '68 Dart w/A500 trans, but it only stalls at 2200. Lou |
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| Author: | olafla [ Tue Sep 20, 2011 9:54 pm ] |
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raPom: Yes! Look it up on the web, and see what it does. If you think it isn't necessary, your transmission will work good anyway Olaf. |
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