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View Full Version : removing abs system, use non-abs hard lines?


2muchboost
07-07-2009, 07:03 AM
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I just finished removing my abs system out of my s14. I am swapping the front brakes over to 30mm 300zx set up and i was wondering if i needed to get Non-ABS hardlines for the S14 in order for it to work properly with the 300zx MBC? Just to clarify, i am not concerned about the 300zx master cylinder, i know it will work either way, i am concerned about the ABS vs NON-ABS hardlines and if i need to buy the non-abs hardlines to completely remove the system?

I have searched around and it seems that i will need the hardlines that run inside the engine bay (2 for the the fronts and 1 for the rear which "t's" off for the rear) I just want to make sure i do need the lines before i go out and buy them if they are not needed.

g6civcx
07-07-2009, 09:59 PM
There are a lot of problems with your question.

I just finished removing my abs system out of my s14.

What exactly was removed? The ABS module? All the lines? The entire brake system?

I am swapping the front brakes over to 30mm 300zx set up and i was wondering if i needed to get Non-ABS hardlines for the S14 in order for it to work properly with the 300zx MBC?

Let's think about this. The ABS master cylinder has 2 brake lines going to the ABS module. The non-ABS master cylinder has 3 brake lines going straight to the front and rear calipers.

What do you think?

Just to clarify, i am not concerned about the 300zx master cylinder, i know it will work either way

Then why did you feel the need to include this information?

to completely remove the system?

You need all the brake lines from a non-ABS car.

I have searched around and it seems that i will need the hardlines that run inside the engine bay (2 for the the fronts and 1 for the rear which "t's" off for the rear) I just want to make sure i do need the lines before i go out and buy them if they are not needed.

See above.

2muchboost
07-09-2009, 07:24 AM
well i removed the ABS Module/Unit at this moment and will be removing the hardlines this weekend. Someone informed that the non-abs hardlines do not run across the engine bay like the abs model does. This would make sense since the harlines go from the brake setup directly to the MBC. The MBC does have the 3 lines but the middle one gets plugged up anyway according to ImportNut. I have all of the hardlines from a Non-abs car now so I am pretty sure all i need is the 300zx MBC. I have stainless steel brake lines up front and rear.

If anyone has done the abs ----> non-abs conversion please chime in.

DALAZ_68
07-09-2009, 09:52 AM
i would also suspect you would need a non ABS ECU to avoid gettinga CEL on ur cluster...but i havent messed around wiht s14 enough to know for certain...

Jonnie Fraz
07-09-2009, 10:58 AM
You will not get a CEL you get a ABS light instead. Just pull the bulb.
I can chime in on this a little...My buddy recently did his S14. His build can be seen here. Mestiso's Daily S14 (http://www.mestiso.net/forums/index.php?showtopic=535)
I recomend getting the hard lines either from Nissan or from the wrecker. I believe they are pretty inexpensive through Nissan. The clips that hold the ABS line vrs non ABS are different, but that is not a big deal.

2muchboost
07-10-2009, 09:45 AM
Jonnie You my friend are my hero. I do have the hardlines already, picked them up from my bud and the 300zx MBC is on its way. I am going to check out the link now....

g6civcx
07-10-2009, 10:45 AM
Another alternative is to use custom braided brake lines like I have.