How to Rear Disc Brake Conversion (88-91 Honda Civic CRX EF)
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Jon Widmer
PO Box 13594
El Paso, TX 79913
GarageBuiltHondas
Thanks for watching - ยานยนต์และพาหนะ
Hey Jon I know for sure 92-00 civics and 94-01 integra RTA work and all interchange
Ronnie Gonzales
What all needs to be swapped out to make the DC Integra brakes work?
Same as in the video
I have trailing arms for a 93 si on my 95 Civic... do you think it will fit in my 2000 Civic ex? I rather have them on the EK
Yes
The 40/40 valve can be found off an integra ?
Thank so much Garage Built Honda's. I own a JDM GSR swapped 90 Si Hatch, you've made this process incredibly easy. You also made the GSR fuel filter replacement very very simple. You've single handedly made me a significantly more self reliant person. That is an invaluable trait to bestow upon others. You're doing good work man. Thank you.
Love to hear it, thanks for letting me know!
And 1 thing never mentioned is brake lines need to match caliper if u use da teg u need da lines and DC needs DC lines cause it comes out side of caliper and da is angled to bottom and longer
It's 2020 and I converted my 89 si 17 years ago, 1992 integra rear brake swap, just wanted to say you are doing a great job.
Thanks Ben
I bought LS RTA just for this. Glad you made this video to remind me I'm slacking
I just want to thank HBG and all the positive/informative comments in the comment section of this video 🙏🏽🫶🏼
Thanks, hope it all helps!
great video Jon super detailed..this had to be one of the best upgrades I ever did to my sedan stopping power after was night and day.
Just got a 91 hatch si with a GSR all cuz of binge watching your vids... and this will be one of my 1st mods
Hell yeah, love to hear that!! 😍
I think this is the best video by far for explaining things. Great camera work too👌🏻 subscribed!
Thanks Evan, and welcome!
Amazing videos man! I hope you won't stop sharing these honda mechanic tutorials. It helps me when i work on my civic! 👏👏👏👍👍👍
Thanks, I don't plan on it, hoping to keep bringing some decent content!!
@@GarageBuiltHondas maybe you can show someday how to do an auto to manual tranny swap, esp. on a 98 civic ex (wishful thinking).
If given the opportunity I definitely will. I haven't done a swap like this in a while now!
Yes!!! Finally!! Thank you jon! Your vids are great! I did my rear disc conversion last week
jessie M awesome, sorry it's a little late to help you out if help was needed!!!
Canada here, replacing cables on rear drums today...sweeeeet vid...tutorial really lol...best wishes to you n yours...keep turning that wrench...one love
Which brake lines did you buy for your EF??
amzn.to/3fRYugu
About to do my RDC, just picked up some DA RTA's, thanks for this and all your vids.
👍
Grabbed a set of RTA's and ebrake cables from the junkyard off if a DA this morning. Will be doing those in the next month or so. So many cars, so little time lol
Will def ne using your video as a guide. A lot of the old walk throughs online are missing photos and such.
Perfect, you shouldn't have any issues!!
Thanks for the perfect walkthrough for my upcoming weekend project!!
Just gotta go grab the 40/40 valve.
+Chad Geissler awesome! Good luck!
Is that what it's really called ?
Thank you for your videos. They are very helpful and simple
Thank you, I'm glad you enjoy the simplicity of them! 😀
what I currently have to do .previous owner installed the rear trailing arm but no brake cable, brake lines, pads or rotors. debating on just getting a new set. but this helped a lot as every car ive bought had rear disc already. keep up the great work. #GulfCoastEfs
I'd just add the parts. They did the hardest part so far!
Great job as usual Jon. never let us down with the detailed info and step by step instructions. Hopefully soon enough TH-cam will start sending you a check to keep the projects going. Read something about some tshirts. Very excited for that 👍👌
+Anthony Del Rio right dude! I'm smart about my money and always selling & buying cars/parts for profit. These videos are what I have always been doing before I started recording them, now I enjoy it! Hopefully I can continue to keep growing and making more new content!
I had an '88 CRX Si that I wanted to do this on...never did. Great to see!
+spalkin thanks buddy!!!
For 88-91 ebrake cables that fit (CRX=short, DA=long) use 92-95 Civic Si or 93-95 Civic EX coupe (not sedan). They are the exact same length as the EF3/EF9 ebrake cable. The bolt brackets from the 88-91 HB easily swap over to the 92-95 cable and allows for a seamless install in the factory location.
Is there any other option for crx cables? A shorter option other than the 90-91 CRX SI cables that you know of?
So Civic ex sedan wont work for CRX?
They'll be long, but you can probably loop them a little. Watch this video to see how the DA cables fit on a crx. th-cam.com/video/hyq57nH9cHE/w-d-xo.html
Appreciate all the vids. These will probably help in the future.
Legacy75100 you got it!
You're very thorough, kudos. Thanks for the help!
Thanks Cody
I can also confirm that 2000 Acura integra gsr arms fits. The brake feel feels good even without the proportioning valve which I still plan on installing in the Future.
Thanks for the info!
Always great dyi videos
Amazing videos thank you so much!
Keep up the great work sir. Great detail and simple instructions.
billy bob Thanks Billy!
Great video. Very informative. Keep these great videos coming.
Felix Rodriguez I'm trying!!
Man awesome diy vids Bro...I have a 91 crx that I plan to turbo.. I have a d15b7 and just finished the wire tuck and painted engine bay after removing the dash (thanks to your dash removal video)..I was considering moving on to the rear disc conversion and suspension but I have electrical and possible roll cage to take care of since the dash is out wanted to check your thoughts on what is best to knockout first..at this point im saving the engine work last
Thanks, I appreciate the comment!
No particular order, just keep working on something and you'll get to the end point eventually. Just do what needs to be done and keep knocking them out one at a time!
Badass video Jon awesome work man
The_Caveman thanks man!
Good stuff as always john!✌
Oldskool DA9 👍😎🍻
Love the video keep on making them great diy
William Fullman will do!!
Great video I’ll be using this in the near future
+eric baynard thanks! 👍
I have the same wheels, love them.
+Armando Guzmán such a classy wheel too!
Thanks for that video, my ef need that convertion
You're welcome!
Great video! Much appreciated!
👍
Excellent tutorial!
Thank you!👍
Currently running eg trailing arms on my 89 si 👍🏾
+Toriano Smith awesome, thanks for the info!
Thanks for all the great videos you def helped on my sedan build one question what did you do to get those seats in I have the same integra seats
This. th-cam.com/video/zfg7bLRNiRI/w-d-xo.html
Great Vid.! Another way is to just get the rear spindle or hub assembly from a DA teggy it unbolts from the RTA with 3 torx bolts. You can bolt it straight on the stock RTA 👍👍👍
Austin Johnson I'd like to try that next time, I've just never done it that way. Thanks for the info!!
he had to replace the bushings so it was coming off regardless.
👍
Austin Johnson
Hey men, can i do this installation if a have a crx ed8 (japan) with no solid lower control arms (as eg6 or dc2) i have a conversion from civic 92-95 but i dont want to change my lower control arms and shock.
Yes. The LCA still mounts the same to the trailing arm.
Nice vid man 😍
Great video and great channel.
Thanks for commenting, really appreciate the support!
Jon, I recently completed a rear disc swap from a 93 Del Sol into 90 EF hatch. Cable were a little tight, and I had to make the threaded ebrake screw a little longer, but it works!
Bradley Tharp Awesome, good to know! Maybe the cables were just an inch or so shorter since the Sol is short, but glad it worked!
Yea, and I used your other videos to replace rear trailing arm bushings, and went with ARP extended studs. Thanks for everything you share! My Build. honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/my-new-ef-3294176/
Bradley Tharp Dude awesome, just checked it out, getting a bunch of stuff done! So glad to have been a help in that!!
thanks for the video man really helpfull!!!
👍👌
needed this thanks
pilgrum you got it!
When I did this on my car I left the rubber boot in the car just spray a little oil on the cables Works Beauty last work.
+Allan A nice!
Awesome diy! I have a 1990 teg with a b20b that ima be swaping into my crx along with the front knuckles and rta. My question is what dog bone to use when swappin in da rta?
mark0shark0 You need the DA dogbone, the Civic is too small in diameter.
I did the swap to my civic dx
From a civic ex
Thanks.
Holy crap thats Easy thanks 👍
You're welcome!
awesome vids! whats the geometry difference with rear da trailing arm/brake/hub on ef hatch? ive heard the hub sticks out further compared to oem ef assembly, but cant find out how much. (trying to plan ahead for wheel fitment.)
Unsure precisely. Probably like 7-10 mm
I used 90 Integra rear trailing arms and all of the brake lines and e brake cables both of them a hundred percent is the 40/40 valve from a different type of car because mine has it something that looks just like what you put in
All of these cars have the proportioning valve and they look identical, but they do not perform identical. It'll be stamped on the front of the valve.
Thanks for the info. I'll get back to you.
Do you by any chance know what brand of rims were on the white wagon? Also I greatly enjoy your videos they are very informative and help greatly
Here ya go. th-cam.com/video/PhdF3EoQ1Sg/w-d-xo.html
Does the Integra DA e-brake cable work or does it have to be from a CRX Si?
Great thnx for the help
+Zoe Pat you're welcome!
I am doing the swap on my 1989 Honda Civic LX sedan I heard the when you swap the 90-93 Integra the wheels stick out more. Anyone confirm and how much they would stick out? Also does it matter if you use a 94-01 trailing arm that have ABS versus non ABS? thank you
Great video. I'm doing my disc brake conversion with Scarebird brackets, etc. My question to you is that you haven't or don't need to address the power brake booster, proportioning valve or master cyclinder. Scarebird recommends 1997 acura integra for its conversion. They go as far as replacing the master cylinder. Can all these changes work correctly with the existing power brake booster (91 CRX HF)? If not, any suggestions?
It'll still work fine...if you're not racing the car on track it won't be an issue. If you are, look into the 90-91 Civic ex. It's a 15/16" size.
Also what brake lines should I buy
Will the 88 crx Sir work on a 91 Si? If so what will i need from the donor car?
I have 1991 EF civic can use 2000 mode ek brake all around ( front and rear disc ) on my EF ?? And it’s plug and play or ???
Soapy water works to slide rubber, also adult lube is good and doesn't eat the rubber
Great diy video, seems so simple until you run into siezed bolts lol
Jdm Enthusiast very true!
Heat them! Then run ur impact rev then forward and keep going and they will normally get loose and come out! I work on cars in canada... so ive had my fair share!
Great tip!!
Take it slow with the heat and impact.
That's a quick way to strip the head or break the thing off.
Slow is safe
This it's a great video, very helpful. Though I have just one question.
Can you keep the original e-brake cables, or is it a must to replace them?
I ask the question because my EF LX came with the rear disc conversion already, but am having issues with my e-brake, I've adjusted it as much as possible from the center console but, really makes no big difference.
Thank you!!!
You can't use drum cables, you need disc brake cables. They are not the same. You can purchase the cables brand new also if you want to try replacing them. You may want to see if the caliper is sticking where the cable is attached to it.
Much appreciated guys, I'll jack up the car and remove them completely, to see what's the issue.@@GarageBuiltHondas
Great video...I have trailing arms from a DC integra...can I still use the e brake lines ? Will I need to loop them? Everyone says the DA e brake lines are the best choice since they arnt as long as DC, but when I look up the specs the DC lines are 3 inches shorter...a bit confused. I think il replace them with new regardless, just want to know the best lines to use for the ef
I think those will fit just fine. .👍
Feels good to own 90 SiR :DD
Lucky you!
Hello There,
First great video. Now, the real question. I have a 1997 honda Civic LX , and I would like to do a real disk conversion. What would you recommend regarding the parts need it to complete the job? I don't know from what year and model I can take the parts I need to make the conversion. This is my first Honda; well it's my daugther's car. Any info will help. Thanks, and keep up the good videos.
The info listed in the video would work for your car.
Does anyone have the parts numbers for all the energy suspension bushings and the brake lines?
So basically, I could just order said acura parts online and slap it on my ED7? Also, is it possible to convert 4 lug to 5 lug hubs? Love your videos, you make these tasks less intimidating. Can I be your disciple?...Sensei!
Yes.
5 lug is optional as well. You could grab some R knuckles and hubs and do a 5 lug. Many people have.
wow thanks! another cool a$$ vdo.
kracksmith4ejm1 just for you buddy!!
I'm doing this conversion now and for me there's no way in hell I'm getting those two bolts without pulling down the gas tank on top of that one of the bolts broke right off so I got to get in there with a drill and try to dig it out great video otherwise though I might be able to unscrew the tank a little bit give me some wiggle room and try again
Ouch. You might want to just drop the tank. It might save a lot of time and headache. th-cam.com/video/UOrw15qOLHI/w-d-xo.html
The Stainless Brake lines on the link are no longer available, wanted to get the correct one, could you provide a new link?
Hi John ☺, will the 90-93 DA integra SS brake hoses fit the Civic's front brakes also? or do i have to buy 2 different SS brake hose sets?
Yes, they fit perfectly!
Hey john was just wondering about wether the stock booster and master cylinder are fine with the conversion or if they need to be updated aswell. Cheers
Matthew Parham they work perfectly fine!
Do I really need to remove all that?
hey Jon I was wondering what e brake cables you used as I have read the da cables are too long for the ef hatch and you have to route them differently can you shed some light on this subject?
Jeff Marquette I've used DA cables on both my hatchbacks, no problems. The cables are a little long for the CRX though but I've seen people loop them and they still work.
So I have a crx and I was curious if you knew how to make a DA e brake cable work. Due to the increased length.
Loop them around underneath close to the gas tank. I've never done it but s good friend had it done on his crx. I want to see it but have never had the chance yet.
Holy shit that's a ton of work. .
It's looks harder than it is. But it is quite a process .
if i wanted to keep the original trailing arms, but use the disc brakes from a DA Integra, do i just swap the rotor and brake assembly?
Yes.
One question if I was to do this which I am gonna how do I match the front breaks to the backs? Do I order rear integra break pads then just normal ef break pads off rock auto?
Yes, just order the correct pads for each setup as you mentioned.
Hello, my friend, I want to change the rear carriers of my civic wagon and make disc linings, which honda vehicles' carriers fit directly? Thank you.
None
Was this done on a crx? My parking brake cables had a different setup of how they led into the cabin. The rubber grommets that lead into the cabin were different. They were 2 seperate grommets. Just wondering if your video is of a hatch or sedan
Crx cables have 2 separate grommets. All other civics and integrals have the single grommet with the 2 holes inside that one grommet.
90/91 crx si 1993 integra 92-00 civic ex work
When is the legend gs big brake video coming.
+Tony C. I'd love to try out a swapped big brake setup on my track car next!
Had a question, what steel braided lines did you use? Im putting 92si trailing arms in and was wondering what lines to buy
These amzn.to/2STA77S
ive been putting off doing the disk swap on my 91 even tho i already have the disk arms because i didn't want to drop the tank, but now that i can SEE you dont have too, might finally get to getting them installed. I Have one question tho, my arms have no handbrake cables and my OEM ones are cut, what cables do i need?
91 what?
@@GarageBuiltHondas 91 civic hatchback
I clicked on the discription for the stainless break lines I’m wondering if it’s still the same cause it says it doesn’t fit my car
What's your "car"?
Great video, I have 05 civic lx that I want to do the rear drum convert to disc, Does anyone know what rta I need? Thanks
Look into scarebird brackets. They might make them for your car.
Hey. Good day men. How can i do rear disc to a wagon? Is it posible? A big hug from Dominican Repúblic
It's become easier. There are some people making metal brackets to bolt to the original trailing arm. Speak to efparts.com. The owner is working on something. Tell him I sent you!!
So glad I got to skip this step cuz I got an SI. Last car though I went full gsr suspension on my ej6.
It's convenient. I wanna try to use some scarebird adapters next.
Garage Built Hondas my 1st car I used their adapters. No complaints and very easy.
I've heard. I'll definitely try it on a future car.
Hey there quick question. Can I use the same lower arms where the shocks go For a 88 crx
The 89 and 88 and different rear shocks
Can the lower arms be interchangeable? Or do I have to use the 89 si shocks too?
Yes, you can use them on each other by swapping the rear lower control arms also.
Hey GBH you should do garage built t-shirts! Black t shirt with white lettering!! And charge like $15-$20 shipped! I would buy one for sure! Let me know what you think?
Not One In the works!! Hoping to have something finished within the next month!
Right on!
Quick question how are the brakes going to work after the swap will it still be with the ebrake or do they work with the brake pedal?
This changes nothing for brake usage, everything still works exactly the same.
For European owners, as I can tell from some documentation, can you use the same system of a Honda Concerto/Rover 200 series car?
+Karel van Voorst Vader I hope someone sees this, I don't have a clue on those models.
Hi, I'm trying to do a swap like this you did, however I've found a problem with the brake fluid lines.. Look, I'm mounting the Integra 1993 RTA on an Civic sedan EJ6 LX 1998, the problem is the original Integra's brake fluid lines are too short; so, my question is, what brake fluid lines should I buy to fit in my new rear Civic configuration? I'd really appreciate any help about this matter.. Thanks in advance..
Alvaro Urbaez 96-00 Civic EX or 99-00 Civic Si. All of those have rear disc brakes and will be the correct length.
I have an 99 ek b20 swap I’m going to awd do you know how long of a drive shaft that would be
No idea. I don't have any experience with awd Hondas.
I’m have an issue that I think may be kinda related. When my 91 CRX Si sits for a bit the passenger side ebrake sticks and recently I noticed a rubbing noise that seems to be coming from the rear. Would this be a sign that I need to replace the brakes? Would the sticking mean I need to replace the cable too? Thanks.
I would clean and lube all the parts and see if that helps. Cleaner off all the corrosion on any of the slide pins and contact surfaces. If that doesn't fix it then possibly the caliper might be broken.
The only problem with using the 90-93 Integra rear trailing arms is it widens the rear track.
Only a problem if you race, if you don't it's not an issue. And even then it's a minimal difference. You can easily fit 7" - 8" wide with 205 or 225 on both. I'm speaking from track experience using both DA and non DA sets.
what brake lines did you use since you can't use the ones for the drums? The crx is brake lines, lines for the DA, or some other option?
We used DA on this car. You need CRX SI cables for a CRX. That's the only exception.
I've always heard the disc brakes are heavier than the drums. Did you happen to weigh the different trailing arm assemblies?
+Muffin Racing damn you muffin!! I forgot and now that you reminded me, I'm a little annoyed at myself. Lol. I will weigh one the next chance I get and I'll update the results in the description.
Good point,,, my 88 CRX HF came factory with aluminum drums and they are the lighter option. Easy to work on and parts are dirty cheap on rock auto
do you know what size the rear caliper bracket mounting bolts are, or if they are all the same size for all rear disc conversions? im having trouble finding them for 90 crx si rear disc
I'm sorry I don't. Probably close to an m8x1.25 or m10x1.25.
Hey Jon, I know this is an old video but if you see this, can you tell me if I can attach the lines from the DA integra disks to the hardline on the body of a 90 civic hatch? I know you said to get stainless steel ones but I noticed that your lines were cut in the video and wasn't sure if you said to get stainless ones because of that.
Stainless isn't needed. The stock ones will fit. I always upgrade because those old rubber hoses start to crack and break and since I'm already disconnecting the lines, it just makes sense to replace them at that time.
Garage Built Hondas hell yeah! Thanks for the quick reply, I thought I was going to have to set back my swap and wait for some steel lines!