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12-21-2007, 12:04 PM
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#1 |
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Registered User
Join Date: Oct 2003
Location: Sunny, Florida, some might call it South Alabama
Posts: 834
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700R4 lock-up in 68
How did ya'll hook up your lock mechanism in your tranny without having the proper wiring harness?
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Just sold my C10...sad day... Looking for a 1972 Blazer to hopefully fill the hole in my heart. |
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12-21-2007, 12:12 PM
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#2 |
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Hittin E-Z Street on Mud Tires
 
Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: 700R4 lock-up in 68
http://bowtieoverdrives.com/index.shtml
I used the TV made EZ cable and their TC lock-up kit. A little over 1 year and over 5K miles later my tranny still shifts great.
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride  American Born, Country by the Grace of God  1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! |
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12-21-2007, 12:53 PM
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#3 |
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Senior Member
Join Date: Aug 2002
Location: Valley Center KS
Posts: 3,524
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Re: 700R4 lock-up in 68
I use the TPI computer to control my lock up.
But, if you look at the wiring diagrams and do a little reseach you should be able to hook up your own lockup switch yourself. If I remember right, its a 5V signal to the tranny. you could just wire it up so that on the highway you flip the switch and it locks up, otherwise run it unlocked. But it wouldn't really be integrated and as convienent. |
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12-21-2007, 12:57 PM
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#4 |
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yes, i do
Join Date: Jun 2007
Location: Spokane, wa
Posts: 2,734
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Re: 700R4 lock-up in 68
what is the pros and cons about running locked and unlocked trans??
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ERROR 404....... SNAPPY COMEBACK NOT FOUND  _______________________________________________________________________________________________ -60 Chevy C10, dead 350/good th350 combo, sitting on a 76 c10 blazer frame, built from 11 different vehicles "the abomination" -07 gmt900 silverado 1500 lt xcab z71, granite blue -81 suzuki gs650g "shelah"- current project -81 kz1000m1 csr "sarge" -next project (just beautification) -07 kawasaki vulcan classic vn900 |
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12-21-2007, 01:05 PM
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#5 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: 700R4 lock-up in 68
I bought mine from B&M. I have a toggle switch on the dash to lock or unlock it. If you run it in unlock bassicly is for towing or slower speed's...45MPH or less. Once out on the road and speed over 55MPH lock it in and get the best milage out of your truck.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71  Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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12-21-2007, 07:18 PM
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#6 | |
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Speed Limit = Floorboard
Join Date: Jan 2004
Location: Kasilof, Alaska
Posts: 803
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Re: 700R4 lock-up in 68
Quote:
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1971 C20 350, 4-speed - Sold. 1985 K10 350, Built 700r4, Edel 1406, Performer intake, MSD Ign, Hooker Comps, Silverstars, Piaa drivers, LED tails, Toyo A/T 31's, Eaton Posi, the project. "Build for torque, horsepower will follow" |
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12-21-2007, 08:46 PM
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#7 |
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Back in the sticks
Join Date: Jan 2001
Location: Fordland, MO
Posts: 3,188
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Re: 700R4 lock-up in 68
When I had the 700R4 rebuilt for the second time, I had the guy run mine hydraulically. It just goes into lockup at 35mph, all the time. I don't know how its done, but thats what he said he did. Prior to that, I ran it like cparman had his, just hot all the time. May have been why I had to rebuild the tranny more than once...
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1971 Cheyenne C-10 w/700R4 and Tuned Port Injection 1969 K5 Blazer w/Tuned Port 2010 2SS/RS Flaming Orange Camaro 2011 K1500 Suburban 2014 K1500 Pickup 2008 Nissan Altima? The wifes' hoopty |
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12-21-2007, 01:34 PM
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#8 |
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Registered User
Join Date: Nov 2007
Location: Central OK
Posts: 396
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Re: 700R4 lock-up in 68
A buddy of mine who runs a tranny shop just puts it on a dimmer switch a little higher up than the stock dimmer and uses that for the lockup
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12-21-2007, 02:21 PM
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#9 | |
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Senior Member
Join Date: May 2002
Location: Hammond, WI
Posts: 1,817
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Re: 700R4 lock-up in 68
I did this in my '84 Camaro when I took out the computer. All that I did was run an ignition only power wire to the tranny. All GM parts, using the specified p/n's. It works great, and only locks up in 4th gear.
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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:
Last edited by nightmare; 12-21-2007 at 02:23 PM. |
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12-21-2007, 02:33 PM
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#10 |
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sharp as a marble
Join Date: Jan 2007
Location: atlantic beach,florida
Posts: 1,082
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Re: 700R4 lock-up in 68
I did this in a 67 chevelle. Here goes. the 4 wire connector in the trans is lettered a,b,c,d. The purple wire in the connector you get at the local boneyard is " A"
I ran "A" to a toggle switch, and THEN thru a 4 pin brake light switch out of a 78 corvette with cruise. the tcc lock up was wired thru the cruise " on off " part of the brake light switch. SO if you were cruising slowly and did not want the TCC to lock up, TURN THE TOGGLE SWITCH OFF. If you are cruising on 45-55 + TURN THE SWITCH ON. this way you have the best of everything. TCC lock up when you want it. I intend to do this to my NEW 69 chevy short bed soon. |
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12-21-2007, 05:37 PM
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#11 |
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Msgt USAF Ret
 
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,719
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Re: 700R4 lock-up in 68
here's a wiring diagram of a lockup. If you have a trans older than 85 it will burn up if you don't run it in lockup.
http://www.smokemup.com/tech/700r4.php
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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12-22-2007, 01:52 AM
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#12 |
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Registered User
Join Date: Oct 2003
Location: Sunny, Florida, some might call it South Alabama
Posts: 834
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Re: 700R4 lock-up in 68
Thank ya'll for all the inputs...and guys that are using the toggle switch...do you ever get annoyed or wish it was automatic? And using a dimmer switch is a good idea.
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Just sold my C10...sad day... Looking for a 1972 Blazer to hopefully fill the hole in my heart. |
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12-22-2007, 02:31 AM
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#13 |
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Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Re: 700R4 lock-up in 68
Use this....works great......might consider putting it into the FAQ to help others
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1997 GMC Sierra Ext 1965 Mustang Last edited by 70GMCer; 12-22-2007 at 02:44 AM. |
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12-22-2007, 09:00 AM
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#14 |
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Registered User
Join Date: Jun 2006
Location: Olive Branch, MS
Posts: 824
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Re: 700R4 lock-up in 68
I got a B&M lockup kit from Jeg's that goes in line with the speedo cable and has a little box with a dimmer style knob that allows you to adjust at what speed/point the lockup comes on.
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68 C10 Shortbed Fleetside 06 Chevy Ext Cab Fleetside 03 Grand Prix GTP My build thread http://67-72chevytrucks.com/vboard/s...d.php?t=269999 |
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12-22-2007, 10:04 AM
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#15 |
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Registered User
Join Date: Oct 2003
Location: Sunny, Florida, some might call it South Alabama
Posts: 834
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Re: 700R4 lock-up in 68
Oh now that's cool...
__________________
Just sold my C10...sad day... Looking for a 1972 Blazer to hopefully fill the hole in my heart. |
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12-22-2007, 10:12 AM
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#16 |
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Registered User
Join Date: Jun 2007
Location: Netherlands
Posts: 191
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Re: 700R4 lock-up in 68
i have a 96 pickup with a 04l60e trans, this trans doesn't lock up until the oil reaches a certain temperature. Why is that and why isn't it mentioned anywhere when converting to a 700r4 with a lockup system.
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Anybody can restore a classic, takes a man to cut one up..... http://www.arnoldscustoms.com |
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12-23-2007, 02:21 AM
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#17 | |
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Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Re: 700R4 lock-up in 68
Quote:
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1997 GMC Sierra Ext 1965 Mustang |
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12-23-2007, 02:29 AM
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#18 | |
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Senior Member
Join Date: May 2002
Location: Hammond, WI
Posts: 1,817
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Re: 700R4 lock-up in 68
with the 4L60's past '92, i think, the shift points are controlled by the computer. whereas before that time it was controlled hydraulically. it's probably attributed to that
we're mainly talking about putting a non computerized 700R4 into these trucks.
__________________
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:
Last edited by nightmare; 12-23-2007 at 02:32 AM. |
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12-23-2007, 09:22 AM
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#19 |
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Registered User
Join Date: Jun 2007
Location: Netherlands
Posts: 191
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Re: 700R4 lock-up in 68
Ah of course, I could have thought of that by my self.
But it could be possible to put a an adjustable temp switch in the circuit, if it would be better.
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Anybody can restore a classic, takes a man to cut one up..... http://www.arnoldscustoms.com |
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