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01-07-2014, 07:49 PM
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#1 |
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Registered User
Join Date: Oct 2010
Location: Hayward California
Posts: 16
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700r Lock up kit
Hello all
I am currently going to swap out my th350 for a 700r-4, I have looked at several lock up kits and I think I will go with the pressure switch kit, I was wondering if anyone knows what kind of switch it is? I would like to buy the parts myself and save a few bucks, it looks pretty straight forward and would hate to shell out $100 bucks when I could do it for half of that, also do I have to make any modifications to the inside wiring of my tranny? it is out of 1990 camaro, any and all replies are appreciated... |
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01-07-2014, 09:22 PM
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#2 |
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Registered User
Join Date: Jan 2013
Location: Irving,TX
Posts: 122
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Re: 700r Lock up kit
I am finishing up the exact same swap right now. I bought the TCI lock up kit. Its pretty straight forward. Removed the internal wiring harness and connected the kit to the switch and solenoid. Pretty easy kit to install. As far as buying the parts separate im not sure the specifics. I have the drive shaft at the shop now and I'll be done.
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01-07-2014, 09:50 PM
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#3 | |
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Senior Member
 
Join Date: May 2002
Location: Hammond, WI
Posts: 1,812
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Re: 700r Lock up kit
This is what I did:
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Mike 2001 Dakota R/T - Silver CC - 1 of 1671 •360 w/46RE •392 limited slip 1972 Chevy Suburban - Turquoise/Black 1969 Chevy C/10 - Blue LWB •350 w/ 700R4 •3.73 posi •PS PB A/C - SOLD  Using your turn signal is not "giving information to the enemy" 67-72 FAQ Quote:
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01-07-2014, 09:55 PM
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#4 |
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Registered User
Join Date: Oct 2010
Location: Hayward California
Posts: 16
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Re: 700r Lock up kit
yes I have seen the kits and from what I can tell I like the oil pressure switch kit, it mounts on the side of the tranny on the 4th gear pressure vane, what I am trying to figure out is what switch it is or which I can use...?
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01-08-2014, 02:54 AM
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#5 |
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Registered User
Join Date: Oct 2010
Location: Hayward California
Posts: 16
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Re: 700r Lock up kit
I found this web page that was also very informative in case anyone else wants more info...
http://www.chevyhiperformance.com/howto/53562/ |
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01-08-2014, 08:01 AM
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#6 |
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Registered User
Join Date: Sep 2007
Location: Katy TX
Posts: 1,268
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Re: 700r Lock up kit
I used the hydraulic lock up kit that no longer requires the use of any wires or switches. You can get it from most trans shops. Adjustment for lock up is set when you build the trans with different springs. I used the stiffest spring and it works great
__________________
 HSRACERSlammed 53 5 window Blown/Bagged 54 Pickup Patinaed 67 LS stepside Supercharged 67 Nova Bagged 69 Suburban Turbo'ed 5.3 LS |
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01-08-2014, 10:15 AM
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#7 | |
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Registered User
Join Date: Dec 2012
Location: Chandler AZ
Posts: 1,149
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Re: 700r Lock up kit
Quote:
I then found a vacuum switch that I connected to manifold vacuum that sends 12 volts to the solenoid. One problem I have found is the switch searches for lockup many times OR turns on too soon depending on the adjustment. I have prototyped a simple 3 second delay circuit that will lock up the converter 3 seconds after the vacuum switch says it's OK. This should reduce or eliminate searching. I have the vacuum and a towing switch installed and working but have to complete the delay board. It will look like this......Kinda I am into the extra switches and wiring about $20 including the delay.
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1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
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01-08-2014, 12:50 PM
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#8 |
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Registered User
Join Date: Oct 2010
Location: Hayward California
Posts: 16
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Re: 700r Lock up kit
Hello... I have looked for that specific kit, I even called Summit racing and they told me they were unaware of such a kit, can you tell me which one you used? part No. and brand...? thank you...
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01-08-2014, 01:09 PM
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#9 |
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Registered User
Join Date: Oct 2013
Location: Stockton, CA
Posts: 475
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Re: 700r Lock up kit
American Auto Wire, and others, have a kit that does not require dropping pan - be sure to have correct carburetor kick down lever, (found at summit.com, etc), and tv cable adjusted correctly
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01-08-2014, 01:28 PM
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#10 |
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Registered User
Join Date: Dec 2012
Location: Chandler AZ
Posts: 1,149
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Re: 700r Lock up kit
If you don't want to drop the pan, THIS KIT may be what you are looking for. It was too pricey for me.
EDIT: Read through the instructions here. You may or may not have to drop the pan depending on how the transmission is set up.
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1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 Last edited by Longhorn 70; 01-08-2014 at 01:35 PM. |
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01-10-2014, 02:47 PM
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#11 |
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Registered User
Join Date: Feb 2009
Location: southeasternfoothillsofusa
Posts: 1,557
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Re: 700r Lock up kit
Superior makes a kit, WITH INSTRUCTIONS for like $40.
>> http://www.ebay.com/itm/GM-Transmiss...p2054897.l4275 << Sam |
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