Results 1 to 24 of 24

Thread: EK1 to EL1 Head Conversion (More Info)

  1. #1
    2ndGenGuy
    Guest

    EK1 to EL1 Head Conversion (More Info)

    So, I sold me EL1 head that I got from Mike (Guyhatesmycar). It's going to go to Xvok. I'm pretty stoked that someone in town is going to be using this head. He has an '82 Accord, and had the head off. So I was able to take Mike's '83 EL head and match it up to the '82 Accord EK1 head gasket. Everything lines up perfectly! Even the manifolds line up. Finally, we know for sure that the swap is possible... JUST MAKE SURE THEY'RE THE SAME YEAR!!! (82 and 83 will interchange)

    The dirtier looking head is from the US '82 Accord, and the clean one is from a Canadian '83 Accord.

    Here's a top view. Everything looks like it lines up this time!


    The intake ports are the same, same size and layout. Just missing the CVCC ports on the Canadian head.


    The combustion chambers appear to share the same bore size. And the chambers themselves look the same size. It doesn't look to me much like the Canadian EL head will actually raise compression. The valves look to be the same size as well. My guess is that the 1800 EK bottom end is a stroked 1600 EL. You can also see how the spark plug holes are directly in the combustion chamber in the EL head, replacing the Auxiliary chamber.




    The final test was really to see if the US headgasket matched up onto the Candian head. And as you can see here, it does.


    And finally, here is the new head, in mad tyte Type-R color configuration.


    As rjudgey says, I'm a headophile.



  2. #2

    AccordB20A's Avatar
    Join Date
    Sep 2005
    Vehicle
    1987 Honda Accord 2.0Si
    Location
    Stratford, New Zealand
    Posts
    7,407

    Re: EK1 to EL1 Head Conversion (More Info)

    ohh mate that looks mint

  3. #3
    3Geez Veteran MessyHonda's Avatar
    Join Date
    Feb 2006
    Vehicle
    89 LX-i(5speed)
    Location
    Bay Area
    Posts
    22,159

    Re: EK1 to EL1 Head Conversion (More Info)

    i want to see it on the car already.

    1989 Honda Accord LX-i
    B18c1 swap since 7/2011
    175whp and 132tq
    Redzone tuned

  4. #4
    LX User xvok's Avatar
    Join Date
    Jun 2007
    Vehicle
    83 accord honda hatch
    Location
    olympia WA
    Posts
    212

    Re: EK1 to EL1 Head Conversion (More Info)

    thanks agin to john im think this car is probaly still 3-4 weeks out as far as the engine is concerned. would have been two-3 but some oh and mines an 83'
    And I think I figured out where the change in displacement occurs rember that the cvcc is another chamber that opens to become part of to combustion chamber so logicaly without that there is less combustion chamber thus less displacement does that explain the 1.8L to 1.6L change?
    Last edited by xvok; 09-14-2007 at 12:36 PM.

  5. #5
    2ndGenGuy
    Guest

    Re: EK1 to EL1 Head Conversion (More Info)

    No, it doesn't account for the displacement change bore x stroke is all that changes your displacement. But it DOES make sense for the compression change. I imagine that auxiliary pre-chamber takes a little bit of compression out of the head. I guess we'll see how it runs. Hopefully no detonation!

  6. #6
    LX User xvok's Avatar
    Join Date
    Jun 2007
    Vehicle
    83 accord honda hatch
    Location
    olympia WA
    Posts
    212

    Re: EK1 to EL1 Head Conversion (More Info)

    oh Ill take you word for it.

  7. #7
    2ndGenGuy
    Guest

    Re: EK1 to EL1 Head Conversion (More Info)

    Quote Originally Posted by xvok View Post
    oh Ill take you word for it.
    That's right, bitch.

  8. #8
    LX User xvok's Avatar
    Join Date
    Jun 2007
    Vehicle
    83 accord honda hatch
    Location
    olympia WA
    Posts
    212

    Re: EK1 to EL1 Head Conversion (More Info)

    ok so I just talked to britco and they quoted me 300$ for the hot tank pre and post maching , home bore, deck the block, and remachine the crank and rods. so probaly anouther 200 or so for new berrings and tomi pistons and rings. and that shouold do it i think so 500$

  9. #9
    2ndGenGuy
    Guest

    Re: EK1 to EL1 Head Conversion (More Info)

    Quote Originally Posted by xvok View Post
    ok so I just talked to britco and they quoted me 300$ for the hot tank pre and post maching , home bore, deck the block, and remachine the crank and rods. so probaly anouther 200 or so for new berrings and tomi pistons and rings. and that shouold do it i think so 500$
    Cool. I will talk to Johnson Machine and see what they quote me on that. I figure if I bring in a bunch of work, they'll cut me a little slack. Plus, they're open until 6:00 and are in Olympia.
    Last edited by 2ndGenGuy; 09-14-2007 at 09:53 AM.

  10. #10
    LXi User SZfiftyfour's Avatar
    Join Date
    Jun 2006
    Vehicle
    '82 Accord DX Sdn
    Location
    Ocala, FL.
    Posts
    664

    Re: EK1 to EL1 Head Conversion (More Info)

    sweet. i wanted to get that head off you, but i was skerd it wouldn't fit. cant wait to see it running!
    Last edited by SZfiftyfour; 09-14-2007 at 08:14 PM.

  11. #11

    Ichiban's Avatar
    Join Date
    Jan 2005
    Vehicle
    82 Honda Accord B20A, 76 Honda XL 175, 04 Honda Foreman ES, 83 Toyota shortbox 4x4
    Location
    North of You.
    Posts
    2,090

    Re: EK1 to EL1 Head Conversion (More Info)

    John, you are right. The EK is a stroked EL block, the bore size is the same. According to my haynes (shitbook) manual, the compression on the EK is 8:1 while the EL is 8.4:1. This may vary depending on location and year. Factor in the displacement change, and I'd recommend premium fuel for this engine. Also consider any block and/or head skimming. Remember that increasing the displacement for a given chamber volume will increase the compression ratio. CR=disp/chamber volume (including head gasket height)
    Last edited by Ichiban; 09-14-2007 at 10:13 PM.
    ICHIBAN!
    "Now, even more better!"

  12. #12
    2ndGenGuy
    Guest

    Re: EK1 to EL1 Head Conversion (More Info)

    Yeah, the head was skimmed quite a bit. The machinist said that it looked like it had been on fire! Hmmm... I wonder who could have done something like that! I'd probably guess the compression at around 9:1 by the time it's done. But do you think that 9:1 compression really would necessitate Premium gas?

  13. #13

    Ichiban's Avatar
    Join Date
    Jan 2005
    Vehicle
    82 Honda Accord B20A, 76 Honda XL 175, 04 Honda Foreman ES, 83 Toyota shortbox 4x4
    Location
    North of You.
    Posts
    2,090

    Re: EK1 to EL1 Head Conversion (More Info)

    My 82 is for some reason rattling on regular under acceleration, even while running pig rich. I can't time it because the index mark on the block is somehow missing.
    ICHIBAN!
    "Now, even more better!"

  14. #14
    2ndGenGuy
    Guest

    Re: EK1 to EL1 Head Conversion (More Info)

    Can't you just keep retarding the timing until it quits detonating?

  15. #15
    LX User xvok's Avatar
    Join Date
    Jun 2007
    Vehicle
    83 accord honda hatch
    Location
    olympia WA
    Posts
    212

    Re: EK1 to EL1 Head Conversion (More Info)

    so um the engine is going to the machine shop tomarrow sounds like ill be in a bit of money soon so ya. oh where you able to get the oil pan because mine def has a hole in it when i got it off i could see daylight

  16. #16

    carotman's Avatar
    Join Date
    Jul 2000
    Vehicle
    89 Accord LX/B20A | 87 Accord Hatch "S" Stock | 94 Civic Hatch CX
    Location
    Montreal South Shore
    Posts
    9,911

    Re: EK1 to EL1 Head Conversion (More Info)

    Quote Originally Posted by 2ndGenGuy View Post
    Can't you just keep retarding the timing until it quits detonating?
    Yes but you'll lose power. If you use the canadian carb I'm sure it would solve the detonation problem. Or, use an aftermarket carb

  17. #17
    2ndGenGuy
    Guest

    Re: EK1 to EL1 Head Conversion (More Info)

    Quote Originally Posted by xvok View Post
    so um the engine is going to the machine shop tomarrow sounds like ill be in a bit of money soon so ya. oh where you able to get the oil pan because mine def has a hole in it when i got it off i could see daylight
    Yeah, I got your oil pan. w00

    Quote Originally Posted by carotman
    Yes but you'll lose power. If you use the canadian carb I'm sure it would solve the detonation problem. Or, use an aftermarket carb
    Ah yeah I see. Well, I would rather lose power though, than burn out my engine!

    We'll be using the Canadian carb on this setup, since I'm pretty sure the mounting flanges for the US carb won't line up on the Canadian manifold. Manual choke FTW!

  18. #18
    LX User xvok's Avatar
    Join Date
    Jun 2007
    Vehicle
    83 accord honda hatch
    Location
    olympia WA
    Posts
    212

    Re: EK1 to EL1 Head Conversion (More Info)

    lol yush yush they where closed at the machine shop today I shuld have figured that cuse its sat o whell 1st thing monday then.

  19. #19
    SEi User
    Join Date
    Apr 2002
    Vehicle
    81 HB LX, 84 HB S, 89 LX-i Coupe
    Location
    Indianapolis, IN
    Posts
    1,453

    Re: EK1 to EL1 Head Conversion (More Info)

    Damn, you guys are ready to teach thermodynamics, physics, and be an engineer for an F1 team with all that talk. That rebuilt head looks so damn good! So I'll make it simple with my inquiry...

    The studs on the backside of the head where the manifolds attach. I need a few and didn't know if there were any extra heads lying around with the threaded studs and "special" nuts still usable. Anyone know what makes these nuts "special" besides the flange? Honda refers to them as Special as opposed to just Flange nuts. How would you guys go about removing the studs (and reinstalling them) without stripping out the threads? Vise grips/pliers and a towel and trying not to twist on the threaded part?

    The bolt studs are like $4 per from Honda and the "special" nuts are about $2 per. Quantity is 10 per car. So, if anyone has any extras lying around, hit me up. The interchange for the studs is 76-85 Accord, 76-83 Civic, and 79-91 Lude. The special nuts fit 76-89 Accord, 75-83 Civic, 79-91 Lude, and 00-07 S2000!! Deez nutz are not ones I would want to get at a hardware store if they are indeed special. I got a cheap 81 head that is missing some things, but is usable should I ever need it. The guy at the machine shop wasn't impressed with the previous attempts on it, but he got her all fixed up (I hope). Just needs a couple special parts...

  20. #20
    LXi User SZfiftyfour's Avatar
    Join Date
    Jun 2006
    Vehicle
    '82 Accord DX Sdn
    Location
    Ocala, FL.
    Posts
    664

    Re: EK1 to EL1 Head Conversion (More Info)

    Quote Originally Posted by offthahook View Post
    .... How would you guys go about removing the studs (and reinstalling them) without stripping out the threads? Vise grips/pliers and a towel and trying not to twist on the threaded part?...
    The way i remove studs: Tighten two (non-flanged) nuts together on the stud and use the bottom nut to back the stud out. Use top nut to tighten it in.

  21. #21
    LX User xvok's Avatar
    Join Date
    Jun 2007
    Vehicle
    83 accord honda hatch
    Location
    olympia WA
    Posts
    212

    Re: EK1 to EL1 Head Conversion (More Info)

    lol i was kinda scwering around with my old head and thats what i did off da hook how many did you need i can get a few for ya

  22. #22
    SEi User
    Join Date
    Apr 2002
    Vehicle
    81 HB LX, 84 HB S, 89 LX-i Coupe
    Location
    Indianapolis, IN
    Posts
    1,453

    Re: EK1 to EL1 Head Conversion (More Info)

    Quote Originally Posted by xvok View Post
    lol i was kinda scwering around with my old head and thats what i did off da hook how many did you need i can get a few for ya
    I need about 6 or 7 since most of mine on my extra head are missing. But however many you can spare is cool with me. Maybe I'll shake a styrofoam cup outside the bus station with a cardboard flap that says "God bless. Need old Honda studs and nuts..." It seems I always need little stuff for my cars.

    Thanks man.

  23. #23
    LX User xvok's Avatar
    Join Date
    Jun 2007
    Vehicle
    83 accord honda hatch
    Location
    olympia WA
    Posts
    212

    Re: EK1 to EL1 Head Conversion (More Info)

    pm me with the contact info and ill have those out to you for shiping cost

  24. #24
    DX User
    Join Date
    Jun 2012
    Vehicle
    82 honda accord
    Location
    City Roses
    Posts
    11

    Re: EK1 to EL1 Head Conversion (More Info)

    BACK FROM THE DEAD!

    I need to find this EL cylinder head for a swap on my 1982 EK1.
    I need the complete cylinder head,valve cover, intake manifold, carb, and exhaust manifold.

    IF anyone is in Canada and can help me I would greatly appreciate it. My email is branscoset@yahoo.com

    I am in Washington US and would require shipping.

Similar Threads

  1. cyl head conversion question
    By lostforawhile in forum 3geez Accords
    Replies: 9
    Last Post: 07-19-2006, 01:59 PM
  2. B20A Head/Cam/Valve info!
    By RobT5580 in forum General Engine Swaps
    Replies: 8
    Last Post: 04-19-2004, 11:55 AM
  3. carto, rob, yk head rebuild info
    By mykwikcoupe in forum JDM B18A / B20A Swap Tech
    Replies: 11
    Last Post: 05-25-2003, 04:15 AM
  4. Where to but the conversion head lamps for 3G?
    By Euphoria in forum Classic Honda Community Chat
    Replies: 3
    Last Post: 08-17-2002, 07:52 PM
  5. Head Light Conversion
    By My 89 Accord Lxi in forum Performance
    Replies: 1
    Last Post: 07-23-2002, 06:08 AM

Bookmarks

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •