2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

how to mod throttle body for use with N/a Throttle cable

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Old May 23, 2009 | 11:50 PM
  #26  
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From: PHL
i suppose you could customize the bracket to push the cable back far enough. i'd like to see yours when its done.
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Old May 24, 2009 | 08:43 AM
  #27  
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ok im going to try and do it without shortening the cable.. i ordered a new cable from mazdatrix and it should be here in a few days so ill post up pics when im done...im also still trying to source a thick piece of aluminum..all i can find is thin sheets
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Old May 24, 2009 | 09:52 AM
  #28  
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a local welding or machine shop will have a scrap piece, heck try a scrap yard!
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Old Jun 15, 2009 | 06:52 AM
  #29  
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i finally finished this mod, and WOW the throttle feels awesome! very very smooth and i havent drove the car yet but throttle response feels like it will be greatly improved.. i ended up making about a 3/8th spacer and i used the stock cable bracket...i also removed an extra spacer from the throttle rod that i just took apart to swap the cable pull thingy. then i had to shorten the cable and i bought a really nice barrel nipple from feked.com that was identical to the stock one, i used some plumbers silver solder and a torch to solder it on and it was ready to go, piece of cake..
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Old Jun 15, 2009 | 11:23 AM
  #30  
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From: PHL
post some pics! Glad to see you got it done.
Sorry I didn't get back to your PM. I've been pretty busy between work and getting my clutch hydraulics fixed.
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Old Jun 16, 2009 | 07:08 AM
  #31  
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ill take some pics later today if i remember, its really nice to be able to use the stock bracket because it looks stock and it has the perfect holder cut out for the rubber grommet on the cable..im shocked how much smoother and faster the throttle feels.. i didnt think it would make much of a difference, i just wanted to do the mod to get rid of the ugly 6ft TII cable. I highly recommend everyone to do this mod.
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Old Jun 16, 2009 | 09:08 AM
  #32  
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Is there any reason why the cruise control couldn't be retained with this mod? It seems like it should be able to stay
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Old Jun 16, 2009 | 01:12 PM
  #33  
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From: PHL
not sure about the CC, deleted mine way before this mod.

I was pretty surprised at the difference in the feel of the throttle myself.
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Old Jun 16, 2009 | 09:33 PM
  #34  
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From: lancaster PA
here is a pic...[IMG][/IMG]
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Old Jun 16, 2009 | 09:40 PM
  #35  
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this cant be done with a TMIC correct?

i want throttle response too!
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Old Jun 16, 2009 | 11:03 PM
  #36  
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From: lancaster PA
im not sur if it can be done as easily but anything is possible, im sure you cant do it the exact way that we have, the TMIC is the reason the TII cable is so long
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Old Jun 17, 2009 | 01:44 PM
  #37  
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From: PHL
I had a TMIC when I first did this. Worked fine.



Can't find any pics tho, I know I had the TM when this pic was taken.
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Old May 1, 2011 | 05:18 AM
  #38  
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I did this and want to know how this is not a sticky! engine bay looks so much better.
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Old May 1, 2011 | 11:23 AM
  #39  
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Originally Posted by stylEmon
I had a TMIC when I first did this. Worked fine.



Can't find any pics tho, I know I had the TM when this pic was taken.
You can actually see the 2 inch intercooler hose going to the Elbow,so I don't think ya need to sweat findin a pic Style..
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Old Dec 11, 2011 | 08:49 PM
  #40  
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WHy do you have to do the TB mod to do this?
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Old Dec 11, 2011 | 09:08 PM
  #41  
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Looks like the thermowax gets in the way of the cable, or at least the bracket. I don't see why you can't just go out and get a bicycle brake cable and some ferrules from a hardware store. Works just the same, you can make it whatever length you want, route it however you want, and no need to ditch the thermowax.
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Old Jan 15, 2012 | 04:57 PM
  #42  
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I went ahead and did this to save myself the trouble of having to replace throttle cable (also saved me $61.98 from not having to buy a new one). I did leave 90% of the thermowax system in place. The only thing I removed was the bracket and brass plunger deal that slows the butterflies down on the way to full closed (not even sure really what that thing does.. )JUst need to install the spacers I bought as I am using the OEM bracket.
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Old Jan 15, 2012 | 08:45 PM
  #43  
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You have any pictures RRTEC?
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Old Jan 15, 2012 | 09:42 PM
  #44  
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Here is as far as I am. Will install it in the car tomorrow. I am going to run the TMIC for now, but will be swapping to FMIC after I get the car running reliably.

Attached Thumbnails how to mod throttle body  for use with N/a Throttle cable-t2intake.jpg  
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Old Jan 16, 2012 | 03:14 PM
  #45  
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Alright, I decided to go a slightly different route with my mounting method of the cable. I have tested the throttle and it works great, very smooth operation. I feel that the slight lateral pull will not effect anything substantially.My method is as follows:

Follow the directions above (except I did not do the TB mod) and then add an additional 3/8 spacer inbetween (i used a grade 8 nut) the TB and the end of the butterfly shaft. Slightly bend the throttle cable sling to slightly tilt toward the firewall. Mount the OEM throttle cable mount upside down sharing the mounting point for the clutch slave. Line up the cable with the slightly adjusted sling and then set your slack.

I decided to do it this way to avoid some clearance issues w/ running the topmount IC. If this does end up getting a sticky status at some point I would reccomend changing the title of the thread to something along the lines of "N/A throttle cable for T2 swap/front mount install" ect.


Attached Thumbnails how to mod throttle body  for use with N/a Throttle cable-tbmod.jpg   how to mod throttle body  for use with N/a Throttle cable-tbmod1.jpg  
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Old Jan 16, 2012 | 05:24 PM
  #46  
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Interesting twist. I have a v-mount, but I won't be removing my thermowax either (not part of the TB mod anyway) so I might try it your way. Although that means actually installing my clutch mounting bracket (car didn't have one when I got it, and I haven't felt like bleeding the cluch since I've found one)...oh well.
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Old Jan 16, 2012 | 07:44 PM
  #47  
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Oh, one last thing.. When doing it my way if you are running a top mount you will have to either notch the bottom heat shield, or remove it on the TMIC. I opted to remove it.. drilled out the 4 rivets and set it to the side incase I ever want to re-install. Final product looks like this:

Attached Thumbnails how to mod throttle body  for use with N/a Throttle cable-tbmod2.jpg  
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Old Oct 7, 2012 | 08:39 AM
  #48  
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did this on my t2/n/a build and worked wonders! good wright up
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Old Dec 11, 2013 | 05:59 PM
  #49  
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Ya, like this
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Old Dec 11, 2013 | 10:22 PM
  #50  
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How does the throttle feel after this mod? Anyone done this with fmic that has pics? I wanted to see a full engine bay shot.
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