TH400 kickdown w b&m shifter question - JeepForum.com

 
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post #1 of 15 Old 10-09-2013, 09:42 PM Thread Starter
maxamillion
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TH400 kickdown w b&m shifter question

ok here it goes. im getting ready to put the TH400 in the CJ with novak dana300 adapter w dana 44 rear i snagged in VA. my issue is what are you guys running as in kickdown. found lokar kickdown that mounts in the same place i would mount the shifter to Trans oil pan. im running stock intake and stock carb 304. i know search feature ive been at this for months looking this up please any help would be great check out my build in the link for this to see what im talking about. thanks for the help guys


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post #2 of 15 Old 10-09-2013, 10:06 PM
dg6772
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I was under the impression that the passing gear or kickdown was electric on th400's.

Dave in Muskegon
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post #3 of 15 Old 10-09-2013, 10:32 PM
Newbjeep
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The kick down on my 87 suburban with the th400 is electronic
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post #4 of 15 Old 10-10-2013, 07:41 AM
holliewood61
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I'm running a th 400 out of a commando and its electric. I don't even have it hooked up. It will kick down without it

08 WK bone stock
00 WJ daily driver
99 TJ mostly stock 97 TJ cheap jeep
81 CJ7 very little stock
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post #5 of 15 Old 10-10-2013, 07:49 AM
2Xtreme
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TH400 kickdown is electronic.

Kickdown switch is mounted to the firewall and activated by the accelerator pedal arm.
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post #6 of 15 Old 10-10-2013, 04:32 PM
skizriz
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Quote:
Originally Posted by holliewood61 View Post
I'm running a th 400 out of a commando and its electric. I don't even have it hooked up. It will kick down without it
I've heard it's hard on the transmission that way. No personal knowledge, just what I have read in my TH400 research.

Mine originally wasn't working due to a burned up wire hitting the exhaust. It made a big difference once it was working properly. It would kick down without it hooked up, but is night and day with it actually working.
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post #7 of 15 Old 10-10-2013, 07:54 PM Thread Starter
maxamillion
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sorry if i wasn't clear in i was aware the kick-down is electronic that's why i said i found the lokar kick-down but it mounts in the same spot as the shifter cable on transmission pan.
Quote:
Originally Posted by holliewood61
I'm running a th 400 out of a commando and its electric. I don't even have it hooked up. It will kick down without it
i thought about doing this also but heard and read on other threads that its really rough on tranny and can blow out the seals after while.
http://lokar.com/product-pgs/throttl...s/th400kd.html

i also found the B&M kit but seems it only works if had TH350 or 700r4 before.

_______________________________________________
Never tell people how to do things.
Tell them what to do and they will surprise you with their ingenuity.
- General George Patton Jr


http://www.jeepforum.com/forum/f8/je...build-1305180/


jeep cj part out http://www.jeepforum.com/forum/f149/...p-cj7-1313023/
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post #8 of 15 Old 10-10-2013, 08:29 PM
holliewood61
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I haven't been too concerned with it. It's a very rare occasion that I ask mine to kick down. It sees very little highway and no interstate driving but I reckon that's a perk of living in the country, you don't usually have to hit a highway to get where you're going.

08 WK bone stock
00 WJ daily driver
99 TJ mostly stock 97 TJ cheap jeep
81 CJ7 very little stock
60 CJ5 tore down
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post #9 of 15 Old 10-10-2013, 08:42 PM
lucdog
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I don't have a clue why they say it mounts to the tranny pan, maybe so it's out of sight. The Locar still needs hooked up the the carb , to activate the kick down. And needs 12 volts postive to operate.

The only thing that gets hooked to the tranny is 1 wire. 12 volts + from whatever kickdown you use.

Bill

1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
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post #10 of 15 Old 10-11-2013, 08:36 AM
Blakescj7
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B&m makes a pull style switch for the th400 that mounts on the throttle linkage.
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post #11 of 15 Old 10-11-2013, 08:38 AM
Blakescj7
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I assume you're runnig a gm motor, if so, get a cable bracket with an adjustable kickdown mount if you don't already have one. Oreilys has them on the wall and they are only about 10 $.
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post #12 of 15 Old 10-11-2013, 08:42 AM
Blakescj7
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Here's how it will look in the mount. Its a pretty straight forward procedure. Then all you do is run a wire to a 12volt switched source then run a wire to the kickdown solenoid. Adjust the bracket to what throttle percentage you want tge kickdown to come in at. I usually do it a lil less than 3\4.
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post #13 of 15 Old 10-11-2013, 04:37 PM
lucdog
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Quote:
Originally Posted by Blakescj7
I assume you're runnig a gm motor, if so, get a cable bracket with an adjustable kickdown mount if you don't already have one. Oreilys has them on the wall and they are only about 10 $.
The OP is using a AMC 304, you idea would still work.

OP, I have a OEM gas pedal kick down. It's yours for the cost of shipping! I don't know if it works, if your interested, I'll check the switch for proper operation.
Let me know.

Bill

1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7
1989 YJ the CJ to YJ.
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post #14 of 15 Old 10-12-2013, 09:36 PM Thread Starter
maxamillion
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Quote:
Originally Posted by Blakescj7 View Post
B&m makes a pull style switch for the th400 that mounts on the throttle linkage.
i saw that B&M one but was unsure because the descriptions i saw said it would work only if you had previous TH350 or 700R4 then you could use the old hookup for it so was unsure.

Quote:
The OP is using a AMC 304, you idea would still work.

OP, I have a OEM gas pedal kick down. It's yours for the cost of shipping! I don't know if it works, if your interested, I'll check the switch for proper operation.
Let me know.

Bill
thanks lucdog let me know ill pm you.

you saved me i just hope i can figure it out im an idiot when it comes to electrical.

_______________________________________________
Never tell people how to do things.
Tell them what to do and they will surprise you with their ingenuity.
- General George Patton Jr


http://www.jeepforum.com/forum/f8/je...build-1305180/


jeep cj part out http://www.jeepforum.com/forum/f149/...p-cj7-1313023/
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post #15 of 15 Old 10-12-2013, 09:44 PM
Blakescj7
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Any type of momentary switch will work. I've seen people use mirco switches, the same used in nitrous systems. But the bm will work. Its universal
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