2 questions I haven't seen for D35-D44a swap. - JeepForum.com

 
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post #1 of 7 Old 04-17-2013, 12:22 PM Thread Starter
SCZJ
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2 questions I haven't seen for D35-D44a swap.

I'm doing the old D35-D44a swap as the 35 has had it and I have the 44a sitting here. I've researched but haven't seen two questions answered:

1) I'm going from drum brakes on the 35 to discs on the 44a. Will I have to change any brake lines or the master cylinder for the change in brake pressure due to the calipers?

2) Will any sensors or the speedo be affected?

Thanks for any input.


'94 ZJ, 4.0, D30/D44A, 4 1/2" lift, 32" tires, 3.73 gears, etc... Just another cookie cutter ZJ.
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post #2 of 7 Old 04-17-2013, 12:43 PM
Bigdjs123
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Quote:
Originally Posted by SCZJ View Post
I'm doing the old D35-D44a swap as the 35 has had it and I have the 44a sitting here. I've researched but haven't seen two questions answered:

1) I'm going from drum brakes on the 35 to discs on the 44a. Will I have to change any brake lines or the master cylinder for the change in brake pressure due to the calipers?

2) Will any sensors or the speedo be affected?

Thanks for any input.
I'm probably going to do this swap too. The speedo will not be affected unless you are changing gear ratio or tire size.
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post #3 of 7 Old 04-17-2013, 05:44 PM
95zjman86
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speedo will be fine unless gear ratio change. As for the proportioning valve I am not sure but I bet it has to be changed.

95 zj iron rock offroad 7 inch long arm front 242 swap 4.56 gears ford 8.8 with yukon grizzly bfg km2's 35 inch warn m8000
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post #4 of 7 Old 04-17-2013, 05:46 PM
kg6mov
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Speedo sensor is in the t-case on a zj so it shouldn't matter.

I don't know about the brakes.

1996 ZJ Green Laredo V8, 2.5" OME and Bilsteins, 33's, Holes drilled in the roof.
1998 ZJ 5.9 - Junked
1984 F250, 460 BB, T19, work truck/future tow pig
1987 Mercedes 300D Turbo, the diesel daily, 30mpg in style

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post #5 of 7 Old 04-17-2013, 06:16 PM
dnuccio
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Quote:
Originally Posted by kg6mov View Post
Speedo sensor is in the t-case on a zj so it shouldn't matter.

I don't know about the brakes.
doesn't matter where the speed sensor is, it would still read wrong if the gear ratio changed.

Reliability is relative
R.I.P. Ratmonkey
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post #6 of 7 Old 04-17-2013, 06:29 PM
Bigdjs123
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Or tire size
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post #7 of 7 Old 04-17-2013, 07:04 PM
dnuccio
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Quote:
Originally Posted by Bigdjs123 View Post
Or tire size
right

Reliability is relative
R.I.P. Ratmonkey
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