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  1. #26

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    Quote Originally Posted by gr79 View Post
    This one. Outer holes for manifold bolts, inner for tc.
    Mounts over the manifold oil drain hole, tc sits on top of it.
    Attachment 121952
    Well I sent my turbo to GPOP for a rebuild/upgrade. I hope my clocking marks somehow don't get wiped in the cleaning process as I don't have a spare like you had and it goes all bad!
    Last edited by m81mclaren; 07-17-2018 at 08:40 PM.
    Current FEP:
    1980 M81 McLaren Carb Turbo 2.3T #003P ... IT'S ALIVE after a 22 year slumber thread!

    Past FEP:
    1986 Capri GS 5.0- very missed but in goods hands
    1985 LTD SSP- quick little fox 5.0

  2. #27

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    xtasy I just got confirmation of M81 car#10 also was here in CA and has the VECI sticker E0ZE-9C485-JB then BZW. My car is Federal Standard car according to my BAR sticker and door tag rather than typical California car. So I'm hoping that VECI sticker is a match to a 49 state car with A/C. Let me know if I'm on the right track and if this maps to s specific vacuum diagram I should be using!
    pic of his sticker





    Quote Originally Posted by xctasy View Post
    Since Mclaren replaced the stock hood with another, 1980 M81's don't have a VECI label, so m81mclaren cannot quote his existing

    engine type,
    trans and
    engine code from your VECI label.


    m81mclaren's VECI will be EOZE_9C485_xx with another three letter code.

    Calibration code for 1979 49 state Mustang/Capri 2.3L turbo is 9-2E-R93
    1979 Calif is 9-2R-R93


    No Vacuum Emmission Control Information diagrams existed on the engine bay VECI placard on Ford passenger cars untill 1981 on wards.

    It didn't even exist in the 1979 and 1980 Electrical and Vacuum Troubleshooting manual (EVTM).

    The 1979 Mustang/Capri EVTM has no detailed turbo vac schematics.

    1979 Ford Service Highlights 2.3L Turbo handbook does.

    The car was the VECI before 1981

    Jim Koch has been a wealth of info on this.


    See http://myzephyrs.com/VAC_2.3/index.html

    He has 107 VECI diagrams from 1978-1983
    gr79 feels that Diagram 12 of 107 , 9-2E-R0, might be the 1979 CA one, the closest match



    http://myzephyrs.com/VAC_2.3/http://...E-R0.html.html


    I think Diagram 22 of 107 might be the 1979 CA one.

    9-2R-R11

    http://myzephyrs.com/VAC_2.3/9-2R-R11.html




    A CA or CO 1979 stickers differs to the other 48 states 1979 cars.

    The CA and CO 1980 sticker differs to the other 48 states, and are 4speed/5 speed and Automatic specific.

    Everything 1980 had a primary light off catalyst, and feedback control carb everywhere. Canadian Cobras might have been different.

    Feedback carbs are the California and maybee Colorado 1979 types, and are very different to the other 1979 non feedback carb turbo's.



    m81mclaren, check and match one of these 12.

    47 or 51. One of these is likely to be your 1980 M81 VECI diagram

    0-01H-R10 1980, 40 of 107 These have the dot 4RNR, but its not for a turbo CA MANUAL 4 or 5 speed
    0-01H-R15 1980, 41 of 107 49 States A/C, NON A/C These have the dot 4RNR, but its not for a turbo CA MANUAL 4 or 5 speed
    0-01S-R11 1980, 42 of 107 * CA Auto, A/C, NON A/C These have the dot 4RNR, but its not for a turbo CA MANUAL 4 or 5 speed
    0-1B-R0 1980, 43 of 107
    0-1B-R11 1980, 44 of 107 49 States A/C, NON A/C
    0-1B-R12 1980, 45 of 107 49 States A/C, NON A/C
    0-1G-R0 1980, 46 of 107
    0-1P-R0 1980, 47 of 107 * CA Manual gearbox A/C, NON A/C

    http://myzephyrs.com/VAC_2.3/0-2T-R0%201980.html

    0-21A-R0 1980, 48 of 107 49 States A/C, NON A/C
    0-21B-R0 1980, 49 of 107 49 States & Canada A/C, NON A/C
    0-2B-R0 1980, 50 of 107 49 States A/C, NON A/C

    0-2T-R0 1980, 51 of 107 * CA A/C, NON A/C

    http://myzephyrs.com/VAC_2.3/0-2T-R0%201980.html
    Last edited by m81mclaren; 01-11-2019 at 03:26 PM.
    Current FEP:
    1980 M81 McLaren Carb Turbo 2.3T #003P ... IT'S ALIVE after a 22 year slumber thread!

    Past FEP:
    1986 Capri GS 5.0- very missed but in goods hands
    1985 LTD SSP- quick little fox 5.0

  3. #28
    FEP Super Member gr79's Avatar
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    Any 1979 diagrams are close but wont match 1980 from the looks of it.
    Still learning. Or relearning what was forgotten.
    Looks like 9-2E- is 49 state. 0-01-S-R11 and 9-2R- is Calif.

    A correct 1980 2.3T diagram will show a waste gate symbol (labeled W G) somewhere in the routing.

    7 variations for 1979 2.3T. Mine is one of 3. Others are Calif or have different connections than mine.
    One variation was the big hose at the waste gate.
    Some were connected to intake manifold, some onto air cleaner (a/cl) (mine).
    Engine won't run when wg big hose is connected to intake per other calibrations. Do not know why.


    Eliminate diagrams with parts that do not exist on engine or contain known connections that differ.
    Sorted, 1980 2.3T only diagrams (10 variations), noted differences:
    0-01H-R10 1980 (auto?) wg big hose to a/cl
    0-01H-R15 1980 (auto?) wg big hose to a/cl
    0-01S-R11 1980 (calif, auto?) wg big hose to a/cl
    9-2E-R0-1980 (72) wg big hose to main plenum
    9-2E-R12 1980 (73) wg big hose to main plenum
    9-2E-R16 1980 (74) wg big hose to a/cl, connections to/near #4 runner
    9-2E-R17 1980 (75) wg big hose to a/cl, connections to/near #4 runner
    9-2E-R18 1980 (76) wg big hose to a/cl, connections to/near #4 runner
    9-2R-R0 1980 (81) (calif?, single vac switch top of diagram)
    9-2R-R11 1980 (82) (calif?, dual vac switchs top of diagram)


    An automatic trans was available with 2.3T in 1980.
    Could be auto trans are the first 3 listed with '01H' or '01S'?
    Would assume extra components to keep auto trans from going wacko when shifting.
    No automatic/turbo combo, no '01H' or '01S' turbo calib in 1979.
    Last edited by gr79; 01-12-2019 at 01:52 AM.

  4. #29
    FEP Super Member xctasy's Avatar
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    Ok, thats cool. I gotcha!

    And Yes gr79, you got 'em!

    VECI sticker E0ZE-9C485-JB then BZW.

    None of it shows up on LMR....


    Your car has factory A/C.



    These are the most likely ones:-

    0-01H-R10 1980 40 of 107 and / or 0-01H-R15 41 of 107


    It also has the following.

    Spk Ret
    #1RNR - No. 1 Runner (Intake Mani, metal vacuum lines)
    #4RNR - No. 4 Runner (Intake Mani, metal vacuum lines)

    and WG....Waste Gate!


    So its 41 of 107 or 42 of 107. Click on these.


    1. 0-01H-R10 1980 (40 of 107) http://myzephyrs.com/VAC_2.3/0-01H-R10%201980.html ..... Matches

    2. 0-01H-R15 1980 (41 of 107) http://myzephyrs.com/VAC_2.3/0-01H-R15%201980.html Specifically 49 States..... Matches

    all these aren't the ones:-

    3. 0-01H-R15 1980 (42 of 107) http://myzephyrs.com/VAC_2.3/0-01H-R15%201980.html California Only ..... Not a Match
    4. 0-1B-R0 1980, 43 of 107
    5. 0-1B-R11 1980, 44 of 107 49 States A/C, NON A/C
    6. 0-1B-R12 1980, 45 of 107 49 States A/C, NON A/C
    7. 0-1G-R0 1980, 46 of 107
    8. 0-21A-R0 1980, 48 of 107 49 States A/C, NON A/C
    9. 0-21B-R0 1980, 49 of 107 49 States & Canada A/C, NON A/C
    10. 0-2B-R0 1980, 50 of 107 49 States A/C, NON A/C


    Check as well gr79's....he's got 'em!

    11. 9-2E-R0-1980 (72) wg big hose to main plenum
    12. 9-2E-R12 1980 (73) wg big hose to main plenum
    13. 9-2E-R16 1980 (74) wg big hose to a/cl, connections to/near #4 runner
    14. 9-2E-R17 1980 (75) wg big hose to a/cl, connections to/near #4 runner
    15. 9-2E-R18 1980 (76) wg big hose to a/cl, connections to/near #4 runner


    16. 9-2R-R0 1980 (81) (Most likely Calif?, single vac switch top of diagram)
    17. 9-2R-R11 1980 (82) (Most likely Calif?, dual vac switchs top of diagram)

  5. #30
    FEP Super Member xctasy's Avatar
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    There are 9 possibilities.

    40. 41, 72-78, and 81,82.

    Anything California won't be an option.

    Note that 11 to 17 (72-78, 81,82) are laid out differently to 1, 2 (40,41).

    The check valves differ, and single.dual vac switches.

    It could be the C3 auto option for the year are 40 and 41. TuxStang discussed this, as he checked the diagrams on line, and found the differences.


    I did a screen dump of the pictures way back in 2013. 1980 2.3T Cobra DSO 89. The details are that he used were 9-2E-R93, a '79 49-state routing (without A/C)

    Quote Originally Posted by TuxStang View Post
    Spent the afternoon on vacuum ... as the calibration is unreadable on the engine's sticker and vacuum lines seemed connected a bit at random, took some time to identify what's left and how ... so here's what we have :



    There are 4 vacuum hoses/ports going to nowhere (now plugged), 3 vacuum parts unidentified and for me no match to any vacuum diagram available ... big headache on sight :P
    Quote Originally Posted by TuxStang View Post
    Well, after a few headaches, I managed to get vacuum hoses connected "as they should". Say "as they should" because lacking of calibration information and missing a few vacuum components that were supposed to be according to the various diagrams I've found for 1980, I routed the vacuum according to 9-2E-R93, a '79 49-state routing (without A/C and vapors now, will add A/C later).

    Of course, there are still some problems to solve, especially an exhaust leak before the Turbo and I guess a clogged cat, but the engine runs way better now.
    Quote Originally Posted by TuxStang View Post
    Thanks.
    So there are 2 VDV on this engine ... one black/white (63.5s), one black/grey (10s).

    Also have two small black/white of what I guess is just VCV (Vacuum Check Valve) as they're so small I can't read anything on them..

    Now from what I have, should be able to identify a suiting vacuum diagram (unfortunately, calibration sticker is unreadable).

    Another usefull link => http://myzephyrs.com/ (btw, it also hosts 79 to 83 copies of EVTM for Fairmont/Zephyr).
    c.f.



  6. #31

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    You guys are truly awesome!!! Thanks so much I will be studying these and trying to apply to my car. Once I feel good I'll tune the carb (and study how to adjust idle since apparently i can't find that idle screw anywhere!) and see how it impacts the AFR's until it looks in a good zone then head in to the BAR for a smog review and hopefully a test.
    Current FEP:
    1980 M81 McLaren Carb Turbo 2.3T #003P ... IT'S ALIVE after a 22 year slumber thread!

    Past FEP:
    1986 Capri GS 5.0- very missed but in goods hands
    1985 LTD SSP- quick little fox 5.0

  7. #32
    FEP Super Member xctasy's Avatar
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    Arthur Conan Doyle Quotes....

    How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?



    There is nothing more deceptive than an obvious fact.


    It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.




    .


    Every one of the 35000 or so 1979 to 1980 2.3 Turbo's are an indelible back-up of the VECI diagrams....The M81, the most important.


    Keep at it. Compare the 9 diagrams.....diligently.

  8. #33

    Arrow

    Quote Originally Posted by xctasy View Post
    Arthur Conan Doyle Quotes....

    How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?

    Keep at it. Compare the 9 diagrams.....diligently.
    Lunch break: When you list dual vacuum solenoid in the upper section of the diagram, that must be this unit right? Are both to assist with boosting idle (one for when you turn the A/C on and the other for boosting idle if it drops too low)? If the same on my VW Rabbit its called an idle boost valve.


    Since I have dual SOL V's on my firewall I can eliminate these from GR since they show a single SOL V right?
    11. 9-2E-R0-1980 (72) wg big hose to main plenum (has a single SOL V)
    12. 9-2E-R12 1980 (73) wg big hose to main plenum (has a single SOL V)
    13. 9-2E-R16 1980 (74) wg big hose to a/cl, connections to/near #4 runner (has a single SOL V)
    14. 9-2E-R17 1980 (75) wg big hose to a/cl, connections to/near #4 runner (has a single SOL V)
    15. 9-2E-R18 1980 (76) wg big hose to a/cl, connections to/near #4 runner (has a single SOL V)

    and also
    16. 9-2R-R0 1980 (81) (calif?, single vac switch top of diagram) (has a single SOL V)
    17. 9-2R-R11 1980 (82) (calif?, dual vac switch top of diagram) (has a single SOL V)
    Am I on the right track? If so then on that basis I looked through all 107 diagrams listed on myzephyrs.com and only found three that have the SPK RET, Dual SOL V, and a W G. Two are the same XTASY’s suggested:

    1. 0-01H-R10 1980 (40 of 107) http://myzephyrs.com/VAC_2.3/0-01H-R10%201980.html ..... Matches (dual SOL V)

    2. 0-01H-R15 1980 (41 of 107) http://myzephyrs.com/VAC_2.3/0-01H-R15%201980.html Specifically 49 States..... Matches (dual SOL V)

    and then I see 0-01S-R11 1980 (42 of 107) http://myzephyrs.com/VAC_2.3/0-01S-R11%201980.html CALIF ONLY AC & non-AC (dual SOL V)- maybe the BAR process made them convert, I will see how it compares.

    I can't tell the difference between #40 and #41. Will study up on these 3 and see if I can trace the routing. I need to learn what each of these listed things are and what they do. A while ago I started going online to parts stores to see if I can match a picture of each device to get a visual. Need to find that and if I do will post up here unless you would prefer I do it somewhere else! Thanks again so much for the invaluable help. I also owe a contribution to myzephyrs.com for posting up all these diagrams.
    Last edited by m81mclaren; 01-15-2019 at 03:54 PM.
    Current FEP:
    1980 M81 McLaren Carb Turbo 2.3T #003P ... IT'S ALIVE after a 22 year slumber thread!

    Past FEP:
    1986 Capri GS 5.0- very missed but in goods hands
    1985 LTD SSP- quick little fox 5.0

  9. #34

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    Also can someone confirm I have RNR4 and RNR1 ID'd correctly here:


    If so then RNR1 is the metal pipe that turns to rubber that I have put a golf tee in that I have been trying to identify for a while. Looks like I have my SPK RET line unit incorrectly run!
    This one...


    Edit-Oh boy I just back tracked and see GR of course already told me this in post 336.
    Last edited by m81mclaren; 01-15-2019 at 08:34 PM.
    Current FEP:
    1980 M81 McLaren Carb Turbo 2.3T #003P ... IT'S ALIVE after a 22 year slumber thread!

    Past FEP:
    1986 Capri GS 5.0- very missed but in goods hands
    1985 LTD SSP- quick little fox 5.0

  10. #35

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    For those looking for the correct vacuum diagram for their cars, the best way is to use the sticker that is on the engine like I explain here.
    http://myzephyrs.com/calibration_number.htm

    And if you want to know what the rest of those letters and numbers on that sticker mean, that is here.
    http://myzephyrs.com/engne_label_decode.jpg
    Lots of FREE F/Z info on my site.
    http://myzephyrs.com

  11. #36

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    Hi Red thanks for the info and the great help with the vacuum diagrams! Where is the engine sticker typically located? Is this it on the timing belt cover?
    Current FEP:
    1980 M81 McLaren Carb Turbo 2.3T #003P ... IT'S ALIVE after a 22 year slumber thread!

    Past FEP:
    1986 Capri GS 5.0- very missed but in goods hands
    1985 LTD SSP- quick little fox 5.0

  12. #37

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    Quote Originally Posted by m81mclaren View Post
    Hi Red thanks for the info and the great help with the vacuum diagrams! Where is the engine sticker typically located? Is this it on the timing belt cover?
    Yes, that is it. On 6-8 cylinder cars it is on the valve cover.
    Lots of FREE F/Z info on my site.
    http://myzephyrs.com

  13. #38
    FEP Super Member xctasy's Avatar
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    Quote Originally Posted by m81mclaren Yesterday, 08:44 AM NZ Time Post #33

    1. 0-01H-R10 1980 (40 of 107) http://myzephyrs.com/VAC_2.3/0-01H-R10%201980.html ..... Matches (dual SOL V)

    2. 0-01H-R15 1980 (41 of 107) http://myzephyrs.com/VAC_2.3/0-01H-R15%201980.html Specifically 49 States..... Matches (dual SOL V)

    and then I see 0-01S-R11 1980 (42 of 107) http://myzephyrs.com/VAC_2.3/0-01S-R11%201980.html CALIF ONLY AC & non-AC (dual SOL V)- maybe the BAR process made them convert, I will see how it compares.

    Those are the ones to focus on!



    Quote Originally Posted by gr79 View Post
    Good news reports continue, except rad.
    Why cant it be a loose lower hose connection or a hose cut? Would be too easy.
    In a way, rad is good news too. Appeared when car was not on the road.
    Found a new metal one for mine. Plastic does not last long. Hove one on the a Ranger. Lifetime warr.
    Still have to replace it. Seeps. Plastic drain screw head broke off. OE never did that.

    That 90° barb elbow on the air horn is letting additional unfiltered air into the carb.
    Cap it for now. Job 1.
    It may be affecting fuel mix. Causing the putt putt?
    On mine, is directly connected to intake via rubber vac hose.

    The putt putt may go away on its own once everything is sorted out.

    The brass slotted screw, to the right of the elbow, is the idle jet for secondary side of carb.
    No adjustment, just access to the idle jet, which is on the back side of it. Primary has one too.
    Holley Service Guide No. 1 page 53 Fig. 22. Which shows 70's 5200's.

    Like working on a pc. The more you know the more dangerous one can be messing around with it.
    As the cab guy says, the only real adjustment is idle mix. Page 53, figure 23. An 'it' item. Only one.
    Others like the choke fast idle worked before and really never need to be touched unless mis-adjusted.
    Except that idle dashpot thing. Cant find anything yet either. They say its adjustable. Yah how?

    Vac leaks, dirt in carb, are reg maint items with these engines.
    Minor idle mix adj 2x-4x a year. They change the fuel blend here in Mich. Summer, winter blend.
    Learned about 5200 having to replace, rebuild and tweak. Pretty easy once familiar.
    Started when i put a 5200 on my 1970 VW bug in the 70's.

    Something may be miss connected, since there are 2 open connections, but not close to one another.
    Assuming the golf tee line is routed the same as before laying 'natural'.
    Took me years to get things figured out. The last little tweaks. Related to the idle too.
    Right or wrong, when everything worked normal, left it that way.
    Found they affecting engine op way more than a good carb did. Its just a bystander, in a way.

    Never had a metal pipe like that on mine. Straight hose from that brass fitting. One of my miss marks rebuilding the engine.
    If the golf tee line is connected to the ft of intake runner (cyl) #1, diagram shows a connection to the spark retard SPK RET on the fender.
    I think i have my dist connected to that fitting. A mod. With a check valve so boost wont go to dist adv.
    Not factory but works when someone (me) messes with factory vac hose routing and eliminates some (the round colored air cleaner vac parts).

    As in interim measure, Regards non adjustable idle speed, factory set like many emissions era carbs (my 1974 Pinto engined 32/36 Weber carb Mark III Ford Cortina and another 32/36 Weber conversion to a British spec formerly CDS150 1973 Hilman Hunter 1725...these both had nonadjustable idle speed carbs.

    I just used an old kind of now illegal in New Zealand "nail-in aluminum light cable wall holder" or "nailed aluminum wall wire hanger".

    It was a fold-able aluminum version of the Home depot clip, and the malleable metal acted as a safe spacer to bump up the curb idle if needed.



    eg " EZ-Cable Clips for Exterior, White, Aluminum (15-Pack)"


    You cut it short, and use the hole to create a locked in spacer that won't move or get jambed. Use at your own risk, but it worked for me.

  14. #39
    FEP Super Member xctasy's Avatar
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    Thumbs up

    Its a moderate long shot, but try contacting Sellis1012

    Quote Originally Posted by Sellis1012 View Post
    You definitely need to make sure the switches on the fender are hooked up. Vacuum to the wastegate must be hooked up. Most of the other stuff is emissions and cold/hot running related but when you start deleting parts of a designed fuel setup you risk running rich or lean.

    SOL V has to be in those two parts. In diagrams 40, 41 and 42 of 107. There is an additional VOTM kicker idle speed adjustment, which will need to be hooked up too.


    The general order of the 1980 turbo carb 2.3 control parts are still the same as 1979 turbo carb 2.3 control parts.




    So this is correct.





    SOL V in two part form is linked together. Ford changed it for a reason. When Ford does that, it integrates the wiring between the two items. This is a prevelent lesson with how Ford integrates wiring changes. Ford doesn't care how an single SOL V operates. A dual SOL V will operate and be wired to work only together. Ford will gender bend the pin-outs, change from normally open to normally closed, or do whatever its engineers deem to be the best solution, and they won't be thinking about how diagrams 40, 41 or 42 related to any of the others. Each electrical system is its own perfect work...


    Your two part SOL V will only work if its kept together.

  15. #40

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    Quote Originally Posted by xctasy View Post
    Those are the ones to focus on!

    As in interim measure, Regards non adjustable idle speed, factory set like many emissions era carbs (my 1974 Pinto engined 32/36 Weber carb Mark III Ford Cortina and another 32/36 Weber conversion to a British spec formerly CDS150 1973 Hilman Hunter 1725...these both had nonadjustable idle speed carbs.

    I just used an old kind of now illegal in New Zealand "nail-in aluminum light cable wall holder" or "nailed aluminum wall wire hanger".

    It was a fold-able aluminum version of the Home depot clip, and the malleable metal acted as a safe spacer to bump up the curb idle if needed.
    eg " EZ-Cable Clips for Exterior, White, Aluminum (15-Pack)"

    You cut it short, and use the hole to create a locked in spacer that won't move or get jambed. Use at your own risk, but it worked for me.
    Thanks X! Where in the linkage did you install this spacer? Do you have an example you can share? Still, there has to be a way to adjust idle but I'll delay this until after I fix all my vacuum lines and then re-adjust timing. There's also the matter of the boost adjuster in the cabin and my SW boost gauge which is inop at the moment. There could be vacuum leak in those add-ons as well as changes to the vacuum diagrams I'll need to figure out.
    Last edited by m81mclaren; 01-17-2019 at 11:21 AM.
    Current FEP:
    1980 M81 McLaren Carb Turbo 2.3T #003P ... IT'S ALIVE after a 22 year slumber thread!

    Past FEP:
    1986 Capri GS 5.0- very missed but in goods hands
    1985 LTD SSP- quick little fox 5.0

  16. #41

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    Quote Originally Posted by RED 78' View Post
    Yes, that is it. On 6-8 cylinder cars it is on the valve cover.
    Thanks Red, my sticker is faded out as you can tell in the pic but will focus on your vacuum setup postings 40, 41, and 42 of 107 to see if I can figure which is a match. Also in the vacuum diagrams what does the dashed line indicate (example is on the CARB the BV line to TVV is dashed). Does that mean fuel related as in BV= Bowl Vent?
    Last edited by m81mclaren; 01-17-2019 at 02:14 PM.
    Current FEP:
    1980 M81 McLaren Carb Turbo 2.3T #003P ... IT'S ALIVE after a 22 year slumber thread!

    Past FEP:
    1986 Capri GS 5.0- very missed but in goods hands
    1985 LTD SSP- quick little fox 5.0

  17. #42

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    Sorry I derailed this thread guys I got carried away. I moved my vacuum question work back over to my long-winded resurrection thread. I will ask some more questions here to keep this one on topic. Like:
    I though this was an Emissions Diverter Valve but is it actually the AIR BPV on the vacuum diagram?
    Last edited by m81mclaren; 01-17-2019 at 02:55 PM.
    Current FEP:
    1980 M81 McLaren Carb Turbo 2.3T #003P ... IT'S ALIVE after a 22 year slumber thread!

    Past FEP:
    1986 Capri GS 5.0- very missed but in goods hands
    1985 LTD SSP- quick little fox 5.0

  18. #43
    FEP Super Member gr79's Avatar
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    We are lucky xctasy is proficient at providing details and recall.
    The components are like combo lock numbers needed unlock vac routing mystery.
    Could be the solenoids are part of idle control?
    Looks like a/c components are nearby or connected.
    If there are any part or engineering numbers on the solenoids, a google search may turn up what the exact function of the part is.

    Schematic, diagram= symbolic blueprint using a symbolic way to show components and connections.
    Another picture worth a thousand words (or more).

    Dashed lines in vac schematic:
    In electrical schematics, dashes can mean circuit is switched on/off by another component. Or an alternate connection.
    Guessing similar applies in vacuum schematics where something switches flow thru hose on/off.

    Have my in-car vac/boost connected to runner #4 with nylon tubing. A simple straight connection.
    Mechanical type. No sending unit. Full sweep face is mechanical.
    A vital gauge to monitor engine in car, especially turbocharged.
    Any gauge can go bad or wear out. especially mechanical.
    Am on mechanical vac/boost gauge #2 in the car. First was SW brand, current is Autometer.

    Engine vacuum gauge will read steady 17"-20" at idle if everything is right.
    Economy driving is 10"-18". Accelerating or load (hill) is 10"-0". Boost is positive pressure, 0"-to limit.
    Deaccel (throttle off, coasting) is 20"-22" vacuum.

    Possible a magnifying glass can show faint markings on the engine code sticker.
    Unfortunately, is not in the ideal location, like on a bench, to do this.

  19. #44
    FEP Super Member xctasy's Avatar
    Join Date
    Jun 2012
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    Dunedin 9011, New Zealand, South Pacific
    Posts
    2,952

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    Your past post on M81#10 shows that it too has a dual solenoid SOL V.

    https://bringatrailer.com/listing/19...-mustang-m-81/

    Quote Originally Posted by m81mclaren View Post
    And #10 is back up after the buyer backed out on smog paperwork issues which are resolved.
    http://bringatrailer.com/listing/198...ustang-m-81-2/




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