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Thread: 87 DX Sedan Project Log

  1. #176

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    Re: 87 DX Sedan Project Log

    Yeah, you should be able to hear it if it doesn't have a bigger leak somewhere else.

    I did take the oil cap off while it's running, no oil mist, light pulses of air. Same with the black box on back it's vta and unfiltered (probably bad) but if oil was coming out of it the cross member would be getting showered, everything is bone dry behind the engine.

    My head isn't super dirty either, I just don't like the stupid angle the plugs are at. Though, I'm just getting myself worked up, the time that I started to crossthread one it was nearly dark outside.



  2. #177

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    Re: 87 DX Sedan Project Log

    Got a used oil analysis and the results arent too bad. Due to the metals and silicon I'm going to put a filter on the pcv black box... its unfiltered vta right now. Some metals were expected though. Next oil change I am going to use Mobil 1 5w50, Rotella T6 is too expensive now anyway.
    Still haven't done the compression and leakdown test, I'll get the numbers during the oil change.

    What it does show is no blowby (insolubles) despite the ring wear (chromium), no gas from rich conditions, no water from not getting up to temp because it runs very cool, and the oil is still good. I hope the mobil performs well too, but I liked Rotella due to the copious additive package.
    Last edited by ShiRen; 10-26-2023 at 04:51 PM.

  3. #178

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    Re: 87 DX Sedan Project Log

    Emailed fastbrakes about a big brake kit today, I'm going to make that a priority. Car stops ok, but even in regular traffic I'm gonna put my foot through the firewall one of these days, do a hard stop and you're pressing really damn hard and wondering if you're actually going to stop in time, it of course does easily, but I don't like that feeling. I think a big portion of it is firewall flex too, probably why it is so hard to lock the brakes, the force I'm putting in isnt actually going into the pedal, but during my autocross runs I did find that limit after applying a ridiculous amount of force.

  4. #179

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    Re: 87 DX Sedan Project Log

    Leakdown test results:
    Cylinder 1 - about 5psi at 60psi
    Cylinder 2 - very little, kept wanting to roll the engine over and open the valves
    Cylinder 3 - same as cylinder 2
    Cylinder 4 - same again
    Not happy with these readings, but I expect cylinder 1 is the worst anyway, and its not that bad.

    Compression test
    Cylinder 1 - 170psi
    Cylinder 2 - 163psi
    Cylinder 3 - 165psi
    Cylinder 4 - 170psi
    Nothing to be concerned about there

    Surprising really, engine is nearing 200k mi, has a slight amount of scoring on at least one of the cylinders, and has metal from the rings in the oil. It is smoking on startup now that its cold, but since it doesnt need any oil added between changes its probably no more than a few drops making the smoke. Putting mobil1 5w-50 in it, hope that helps. Nothing concerning, I just don't like breathing it. Valve seals probably need changed, but I don't want to.
    Last edited by ShiRen; 10-31-2023 at 06:31 PM.

  5. #180


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    Re: 87 DX Sedan Project Log

    Quote Originally Posted by ShiRen View Post
    Leakdown test results:
    Cylinder 1 - about 5psi at 60psi
    Cylinder 2 - very little, kept wanting to roll the engine over and open the valves
    Cylinder 3 - same as cylinder 2
    Cylinder 4 - same again
    Not happy with these readings, but I expect cylinder 1 is the worst anyway, and its not that bad.

    Compression test
    Cylinder 1 - 170psi
    Cylinder 2 - 163psi
    Cylinder 3 - 165psi
    Cylinder 4 - 170psi
    Nothing to be concerned about there

    Surprising really, engine is nearing 200k mi, has a slight amount of scoring on at least one of the cylinders, and has metal from the rings in the oil. It is smoking on startup now that its cold, but since it doesnt need any oil added between changes its probably no more than a few drops making the smoke. Putting 5w-50 in it, hope that helps. Nothing concerning, I just don't like breathing it. Valve seals probably need changed, but I don't want to.

    Need that dino oil in there buddy!

    1988 Lxi owner since August 1995
    336k miles running strong!
    Now running E85.

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  6. #181

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    Re: 87 DX Sedan Project Log

    Eh, it's really a myth that conventional oil leaks less, molecule sizes are both bigger and smaller, so as much will get through as synthetic, viscosity will have a bigger difference. And nothing will rejuvenate seals that are worn out from moving parts... It does burn better though, that's why you don't put synthetic in a rotary
    I've run it pretty hard today and it hasn't smoked on me yet, so we will see what it does in the morning.
    I wish it was still summer, I'd love to know if oil temps dropped

  7. #182


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    Re: 87 DX Sedan Project Log

    Quote Originally Posted by ShiRen View Post
    Emailed fastbrakes about a big brake kit today, I'm going to make that a priority. Car stops ok, but even in regular traffic I'm gonna put my foot through the firewall one of these days, do a hard stop and you're pressing really damn hard and wondering if you're actually going to stop in time, it of course does easily, but I don't like that feeling. I think a big portion of it is firewall flex too, probably why it is so hard to lock the brakes, the force I'm putting in isnt actually going into the pedal, but during my autocross runs I did find that limit after applying a ridiculous amount of force.
    Do what Brian says but I would change out your master cylinder...I think its larger bore less pedal travel but double check me on that. There are formulas to get it right.

    it might also be pad knock back where the pads on disc brakes push out? in on the caliper bores and then the first application you get alot of pedal travel. ABS fixed that all up but older models it was pretty common.
    1988 Lxi owner since August 1995
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  8. #183

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    Re: 87 DX Sedan Project Log

    I have a wilwood master cylinder. It's still a 7/8" bore, but that's not uncommon, even with manual brakes. A smaller bore creates more pressure at the same amount of force, but I think travel increases because the amount of fluid that needs to be moved doesn't change.

    Not sure if the travel is excessive, there is just not a lot of pressure, even though the little brakes are ample to stop the car. I think I'd have to put my foot through the floor to lock them up. Bigger brakes should be more touchy and easier to threshold brake as long as they aren't too touchy. I've only ever barely locked the front brakes once, that was in autocross and I was worried about breaking my new seats lol, the recliners can't stand that kind of pressure.

    Working on making a master cylinder brace, but it didn't seem to move a ton. I'd like to take that out of the equation though.

    I think the next easiest thing is to drill a few more holes in the brake pedal to change the ratio a bit, I think I can get away with a little bit of angle on the pedal rod.

  9. #184


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    Re: 87 DX Sedan Project Log

    guessing a little but I think the LXi stock is 13/16" and some of the Hondas are 1.0"

    EDIT: how about 15/16" I flunked 2 nd grade math a few times.
    1988 Lxi owner since August 1995
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  10. #185


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    Re: 87 DX Sedan Project Log

    http://www.markwilliams.com/calculators.html

    This should work for you....
    1988 Lxi owner since August 1995
    336k miles running strong!
    Now running E85.

    Oldblueaccord <<< MY YOUTUBE PAGE!

  11. #186

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    Re: 87 DX Sedan Project Log

    You can see with that calculator you have to press a lot harder with a larger bore. Worst case scenario I go to a 3/4" bore, that will help with the unassisted brakes. Pedal ratio first though, it's doing essentially the same thing trading travel for force.

    Well before that, new calipers, won't know how anything will feel until those are on. I did pull the trigger on a set of wilwood 4 pots btw

    Really wanting a new rear swaybar, extended ball joints, and to call Fortune auto for some coilovers, but I don't think my wallet would like that after spending $800 on brakes.

  12. #187

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    Re: 87 DX Sedan Project Log

    Big brake kit done. It's the fastbrakes 88-00 civic 4 piston wilwood 11" kit. https://www.fastbrakes.com/product_p...ivic-11-4e.htm This kit is specifically for 9.5" cars, that's why I didn't get the significantly cheaper 11" Integra option for the accord.



    There were a few problems, though none really relating to the fitment of the brakes. All that was needed was a 4-5mm spacer, I just used 4 washers that were like 4.5mm thick. The problems I had was one brake line that came with the kit had a malformed thread and would not tighten, also I was shorted a caliper bolt. It's fine, that stuff happens, new parts shipped on Friday and I got them Monday. I had another small problem though, the 30mm offset wheels that I had on the front hit the calipers, so I had to get the track wheels out until I could swap the 35mm offset wheels from the back to the front lol, they had enough clearance. I'll have to use a small spacer if I ever need to swap the wheels front to back now I guess.

    Also tip, when you bleed brakes from totally empty, work on getting a little bit of fluid to the calipers then pump the crap out of the pedal until it starts to get hard. Make sure you lift all the way off the pedal. Press it down as hard as you can and crack the first bleeder, pump it up again and crack the next, and until the brakes start feeling normal repeat this, then start doing it like normal where you would bleed one wheel at a time until the air is gone. Your fluid will go down as you pump it too, so watch it.

  13. #188

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    Re: 87 DX Sedan Project Log

    Oh yeah... It stops good now. I still feel like I'd have to stomp the life out of the pedal to get every bit of force out of it though. Master cylinder brace and pedal ratio first, then pads, worst case scenario I go to a 3/4" master cylinder.

    Also, some relevant part numbers: this kit uses a 120-13839 caliper which takes a 7112 type pad, the rotor is a from an 09 Mini Cooper base model, centric part number 121.34100. Alternatively, Brembo has a drilled rotor 09A7611X
    Last edited by ShiRen; 11-14-2023 at 04:23 PM.

  14. #189

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    Re: 87 DX Sedan Project Log

    wow, definitely makes me want to upgrade mine. If i dont drive like a grandma i get warped rotors easily. With that said my brakes stop the car quick. I have locked up all 4 on the highway before with LXI fronts with SEI rears and prop valve.

    Not sure why you feel you have to stomp on yours so much.

    Are your wheels 15" or 16"?

    1988 Honda Accord LSDX-I

  15. #190

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    Re: 87 DX Sedan Project Log

    Manual brakes make a big difference in that regard lol. Mine should be hard to press, but I want more brake before I'm flexing the seat. And after further investigation, the pads my brakes were shipped with aren't performance oriented whatsoever, they're wilwood bp-10, I'll probably install hawk dtc-60s. Strange your rotors warp though.

    My daily wheels are 16, race wheels are 15

  16. #191

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    Re: 87 DX Sedan Project Log

    About a month ago my brand new brake caliper lost a mounting bolt and hit the wheel, putting a big scar in the caliper, wheel, and broke my valve stem. Everything is alright, its mostly cosmetic, but lesson learned use more loctite, I was running out when I put it together. That day I finished the paperwork to get an abandoned title for a 07 Ford Sport Trac with 113k mi, v8, 4wd, it is a hell of a little truck and I have been driving the crap out of it and hauling dirt bikes, haven't driven the accord a lot since. Part of that is ptsd lol, but the truck is just a bit easier to hop in and go, especially in the cold. I don't really like that, makes me feel complacent, and its part of why I sold the type R. Its fine if I am using the truck though, but Ill probably get tired to the abysmal gas milage pretty soon too lol. I'll probably throw some more parts at the accord soon to get it ready for autocross in a couple months, its definitely nice having another vehicle for that.

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