Results 1 to 19 of 19

Thread: Vacuum Advance Question

  1. #1
    DX User ArkyHog88's Avatar
    Join Date
    Mar 2012
    Vehicle
    1988 Accord Lx-i
    Location
    Fayetteville, AR
    Posts
    23

    Vacuum Advance Question

    Are the two diaphrams completely separate? Right now if I pull the hose off of diaphram B (cold start advance line) vacuum is being pulled through the nipple from the hose connected on diaphram A. There is still advance function even though it "seeps" vacuum. Is my advance unit shot?
    The Garage keeps growing: 1969 Chevelle SS 396, 1984 Chevy K10, 1988 Honda Accord Lx-i. Love 'em all.



  2. #2
    3Geez Veteran lostforawhile's Avatar
    Join Date
    Dec 2002
    Vehicle
    86 hatchback, 1990 Lincoln Towncar
    Location
    nowhere GA
    Posts
    14,981

    Re: Vacuum Advance Question

    Quote Originally Posted by ArkyHog88 View Post
    Are the two diaphrams completely separate? Right now if I pull the hose off of diaphram B (cold start advance line) vacuum is being pulled through the nipple from the hose connected on diaphram A. There is still advance function even though it "seeps" vacuum. Is my advance unit shot?
    Yep

  3. #3
    DX User ArkyHog88's Avatar
    Join Date
    Mar 2012
    Vehicle
    1988 Accord Lx-i
    Location
    Fayetteville, AR
    Posts
    23

    Re: Vacuum Advance Question

    Thanks man. Damn, looks like I'll be headed to the yard to find a dizzy.
    The Garage keeps growing: 1969 Chevelle SS 396, 1984 Chevy K10, 1988 Honda Accord Lx-i. Love 'em all.

  4. #4
    3Geez Veteran lostforawhile's Avatar
    Join Date
    Dec 2002
    Vehicle
    86 hatchback, 1990 Lincoln Towncar
    Location
    nowhere GA
    Posts
    14,981

    Re: Vacuum Advance Question

    Quote Originally Posted by ArkyHog88 View Post
    Thanks man. Damn, looks like I'll be headed to the yard to find a dizzy.
    you should be able to buy just the advance new

  5. #5


    Join Date
    Nov 2000
    Posts
    3,167

    Re: Vacuum Advance Question

    Yeah, I wouldn't mess with any junkyard distributors/parts for these cars. The things just wear out.

  6. #6

    Dr_Snooz's Avatar
    Join Date
    Jun 2007
    Vehicle
    1989 Accord LX-i
    Location
    Fresno, California
    Posts
    7,499

    Re: Vacuum Advance Question

    Hee hee! I'm running a junkyard advance diaphragm right now! Of course, if I could have found a new one, I would have bought it instead.
    Dr_Snooz
    www.snooz.cc

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 208k miles, MT swap, rear disc swap, nuthin' else

  7. #7

    A20A1's Avatar
    Join Date
    Sep 2001
    Vehicle
    2006 Chevy Cobalt LS
    Location
    HAWAII
    Posts
    88,695

    Re: Vacuum Advance Question


  8. #8
    DX User ArkyHog88's Avatar
    Join Date
    Mar 2012
    Vehicle
    1988 Accord Lx-i
    Location
    Fayetteville, AR
    Posts
    23

    Re: Vacuum Advance Question

    Thanks for the pic that's dedication right there ha! As far as the yard goes, I've got a pretty good source for parts here where I'm at. He's only charging me $40 for the entire dizzy. A new vac unit costs about 60 bucks plus I'll have some spare parts. I'll prob go ahead and give the yard unit a shot. Thanks for the help guys!
    Last edited by ArkyHog88; 05-03-2012 at 09:01 PM.
    The Garage keeps growing: 1969 Chevelle SS 396, 1984 Chevy K10, 1988 Honda Accord Lx-i. Love 'em all.

  9. #9

    A20A1's Avatar
    Join Date
    Sep 2001
    Vehicle
    2006 Chevy Cobalt LS
    Location
    HAWAII
    Posts
    88,695

    Re: Vacuum Advance Question

    I'll melt my car down to it's base metals if it helps fix someones car.

  10. #10

    2oodoor's Avatar
    Join Date
    Jun 2006
    Vehicle
    86 LX JDM B20A
    Location
    Georgia-lina
    Posts
    8,663

    Re: Vacuum Advance Question

    I believe that!
    Hey sometimes you luck up on a "new" distributor in the junk yards, among other recently replaced parts before the car found it's way to the yurd.

  11. #11
    DX User ArkyHog88's Avatar
    Join Date
    Mar 2012
    Vehicle
    1988 Accord Lx-i
    Location
    Fayetteville, AR
    Posts
    23

    Re: Vacuum Advance Question

    Went to the yard and found a unit but it had a leak also. After looking the past couple of weeks I have found that they have quit making new vac advance units for us Lxi guys.

    I really, really don't want to buy a whole new dizzy. Looks like I'll be making a post in the wanted section...
    The Garage keeps growing: 1969 Chevelle SS 396, 1984 Chevy K10, 1988 Honda Accord Lx-i. Love 'em all.

  12. #12

    2oodoor's Avatar
    Join Date
    Jun 2006
    Vehicle
    86 LX JDM B20A
    Location
    Georgia-lina
    Posts
    8,663

    Re: Vacuum Advance Question

    You could try cleaning out the distributor and lube up the centrifugal advance as well as the advance mechanism the vacuum motors pull. This would make it easier moving so the issue of the diaphragm plunger cocking sideways inside, in case it is only intermittently leaking down, would be helped.
    That is only if the diaphragm isn't completely busted in which case replace it.

    It's a shot in the dark but I have seen it work, being optimistic.

  13. #13
    DX User ArkyHog88's Avatar
    Join Date
    Mar 2012
    Vehicle
    1988 Accord Lx-i
    Location
    Fayetteville, AR
    Posts
    23

    Re: Vacuum Advance Question

    Thanks for the tip man but it's a fairly significant leak between the two chambers.
    I had already cleaned the centrifugal advance because it was completely frozen. It works great now, if I could just get the diaphram situation taken care of.
    The Garage keeps growing: 1969 Chevelle SS 396, 1984 Chevy K10, 1988 Honda Accord Lx-i. Love 'em all.

  14. #14

    Dr_Snooz's Avatar
    Join Date
    Jun 2007
    Vehicle
    1989 Accord LX-i
    Location
    Fresno, California
    Posts
    7,499

    Re: Vacuum Advance Question

    Have you tried Rock Auto for the diaphragm? It looks like they have heaps of them.
    Dr_Snooz
    www.snooz.cc

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 208k miles, MT swap, rear disc swap, nuthin' else

  15. #15
    DX User ArkyHog88's Avatar
    Join Date
    Mar 2012
    Vehicle
    1988 Accord Lx-i
    Location
    Fayetteville, AR
    Posts
    23

    Re: Vacuum Advance Question

    Yeah man unfortunately their listing was off. After I tried to order one they realized no one is manufacturing them anymore for EFI setups. They called me and told me none of their suppliers had them anymore. I've noticed since then they took the EFI part numbers off the listing. All of the EFI diaphrams are clocked differently even though some look the same as carb'd versions. You end up with the hoses pointing down towards bellhousing. I did manage to finally find a NOS piece on Ebay though.

    My advice is that if you come across one, you better grab it up because they're getting rare.
    The Garage keeps growing: 1969 Chevelle SS 396, 1984 Chevy K10, 1988 Honda Accord Lx-i. Love 'em all.

  16. #16

    Dr_Snooz's Avatar
    Join Date
    Jun 2007
    Vehicle
    1989 Accord LX-i
    Location
    Fresno, California
    Posts
    7,499

    Re: Vacuum Advance Question

    Good to know. I scavenged my current one from the junkyard. There are those guys selling new TEC distributors on eBay with the diaphragm included. I wonder if they would sell a diaphragm separately.
    Dr_Snooz
    www.snooz.cc

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 208k miles, MT swap, rear disc swap, nuthin' else

  17. #17
    LXi User ecogabriel's Avatar
    Join Date
    Apr 2008
    Vehicle
    1986 Accord LX-i (BT- 142K) - 1993 Civic DX (225K) - 1996 Camry DX (173K)
    Location
    Atlanta, GA
    Posts
    940

    Re: Vacuum Advance Question

    Quote Originally Posted by ArkyHog88 View Post
    My advice is that if you come across one, you better grab it up because they're getting rare.
    Mine is also running from a jy unit.... I'd better get a spare then.
    If it ain't broke... I fix it!

  18. #18
    DX User ArkyHog88's Avatar
    Join Date
    Mar 2012
    Vehicle
    1988 Accord Lx-i
    Location
    Fayetteville, AR
    Posts
    23

    Re: Vacuum Advance Question

    Quote Originally Posted by Dr_Snooz View Post
    There are those guys selling new TEC distributors on eBay with the diaphragm included. I wonder if they would sell a diaphragm separately.
    I was thinking the same thing. You can get rebuilt TEC units at local parts houses too. Either Cardone has a stash built up or someone is making them over seas possibly. Couldn't see spending around $250 for just a vac unit though, haha!
    The Garage keeps growing: 1969 Chevelle SS 396, 1984 Chevy K10, 1988 Honda Accord Lx-i. Love 'em all.

  19. #19

    Dr_Snooz's Avatar
    Join Date
    Jun 2007
    Vehicle
    1989 Accord LX-i
    Location
    Fresno, California
    Posts
    7,499

    Re: Vacuum Advance Question

    I couldn't see spending $250 on anything from Cardone. LOL
    Dr_Snooz
    www.snooz.cc

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 208k miles, MT swap, rear disc swap, nuthin' else

Similar Threads

  1. Vacuum advance question
    By nswst8 in forum EFI Tech
    Replies: 4
    Last Post: 01-04-2010, 08:46 PM
  2. Vacuum advance question
    By FyreDaug in forum 3geez Accords
    Replies: 13
    Last Post: 10-06-2005, 03:35 PM
  3. Vacuum Advance
    By hondaluvva in forum EFI Tech
    Replies: 0
    Last Post: 09-12-2005, 01:56 PM
  4. Vacuum advance
    By FyreDaug in forum 3geez Accords
    Replies: 8
    Last Post: 04-24-2005, 02:12 PM
  5. vacuum advance?
    By Civvy in forum 3geez Accords
    Replies: 2
    Last Post: 04-14-2005, 10:49 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
  •