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Thread: My 1983 Continental Mark VI!

  1. #141
    GMN Regular DerekTheGreat's Avatar
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    Quote Originally Posted by gadget73 View Post
    if I had something that burned oil at that rate I'd replace the engine.
    There's a technical bulletin on it, a member posted it. Some engines were just that shitty from the factory. I think that's the reason they've got a "CHECK OIL" sticker right in the fuel door.

    Maybe they don't like the synthetic oil I use? Not sure, my 350 Tibbie engine in my truck loves it. This past oil change it went 5,000 miles and used maybe half a quart to do so. Never added any, that makes me pretty ecstatic. Our cars get the same stuff- Shell Rotella T6, 5W-40.

    Whatever it is, it doesn't explain why they things will go some 1,500 miles before any oil burn. Like, what changed chemistry wise in the oil for consumption to begin happening?
    1985 LTD Crown Victoria - SOLD
    1988 Town Car Signature - Current Party Barge

  2. #142
    I'm an air-conditioned gypsy gadget73's Avatar
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    I know Ford says its acceptable, but I wouldn't put up with it personally. No idea why it happens but given the choice of checking oil regularly or replacing an engine, I'll go for the engine.

    86 Lincoln Town Car (Galactica).
    5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

    91 Lincoln Mark VII LSC SE, triple black (Timewarp) - poly front bushings, KYB struts and shocks, Holley SystemMax1 lower intake, SilverFox AOD valve body,

    1984 Lincoln Continental TurboDiesel - rolls coal

    Quote Originally Posted by phayzer5 View Post
    I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

  3. #143
    GMN Regular DerekTheGreat's Avatar
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    Jeez, that's too spendy for my blood. I've always just been in the habit of checking the oil every time I get gas, least with old shit and old shit is all I drive.
    1985 LTD Crown Victoria - SOLD
    1988 Town Car Signature - Current Party Barge

  4. #144
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    Neither of my 302s used a drop of oil between changes.

  5. #145
    GMN Regular DerekTheGreat's Avatar
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    Must've had a few of the good ones.
    1985 LTD Crown Victoria - SOLD
    1988 Town Car Signature - Current Party Barge

  6. #146
    Beater gonna beat sly's Avatar
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    Every 302 I've had used about half a quart between oil changes... unless leaking. My mod motors are about the same.

    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
    rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)
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  7. #147
    What a Luxury car should be. mercurygm88's Avatar
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    The Ď88 Grand Marquis used about having a quart between changes.

    Same with my Ď95. The Ď01 and Ď03 Town Cars didnít use any and neither does the Ď02 Grand Marquis.

    Now that Iíve found the stash of service records in the Lincoln and can verify it only had 34,000 miles on it I wouldnít expect it to use or leak any oil. Then again one would think having that low of mileage that it would have sat for some time at one point and that couldíve caused issues.

    It turns out there was a folder in the glove box full of oil change and other receipts going back to 1985. The guy I bought the car from only had it a month and was never in the glove box.

    He said it was locked and the key was wrong, turns out either the key or lock is just a bit worn out. I found all kinds of good stuff in there.

  8. #148
    GMN Regular DerekTheGreat's Avatar
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    I love finding treasure troves of information. My Lincoln did not have such trove, despite buying it from the original owner. He even trashed the window sticker.
    1985 LTD Crown Victoria - SOLD
    1988 Town Car Signature - Current Party Barge

  9. #149
    What a Luxury car should be. mercurygm88's Avatar
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    Thatís one thing Iíve never found is a window sticker. Other than the Mark VI the 88 Grand Marquis was the only oneI had detailed records for. I have a pile of receipts for the 02 LSE but they only go back to about 2013.

    I kind of wish I had ordered Marti reports on the 01 and 03 Town cars, even if there were thousands that were optioned the same it would be neat to have.

    I still have the owners manuals with VIN tags for my 95 and 88 Grand Marquisí, so I could still get those.

  10. #150
    GMN Regular DerekTheGreat's Avatar
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    Yah from the Marti report I deduced my Town Car was a special order.
    1985 LTD Crown Victoria - SOLD
    1988 Town Car Signature - Current Party Barge

  11. #151
    I'm an air-conditioned gypsy gadget73's Avatar
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    You should buy a Mark VII from an old dude who was the original owner. So far I'm at 100% success rate on extensive maintenance records for those.

    86 Lincoln Town Car (Galactica).
    5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

    91 Lincoln Mark VII LSC SE, triple black (Timewarp) - poly front bushings, KYB struts and shocks, Holley SystemMax1 lower intake, SilverFox AOD valve body,

    1984 Lincoln Continental TurboDiesel - rolls coal

    Quote Originally Posted by phayzer5 View Post
    I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

  12. #152
    What a Luxury car should be. mercurygm88's Avatar
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    Quote Originally Posted by gadget73 View Post
    You should buy a Mark VII from an old dude who was the original owner. So far I'm at 100% success rate on extensive maintenance records for those.
    These cars are getting old enough that itís hard to find one thatís still with itís original owner. Especially a Mark VI.

    Iíd like to have an 86-92 Mark VII but prices are getting silly, especially on unmolested examples. I want a clean one with working air suspension.

  13. #153
    I'm an air-conditioned gypsy gadget73's Avatar
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    frankly thats the only reason I own the white car. Its been very well maintained but everything is stock and working.

    86 Lincoln Town Car (Galactica).
    5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

    91 Lincoln Mark VII LSC SE, triple black (Timewarp) - poly front bushings, KYB struts and shocks, Holley SystemMax1 lower intake, SilverFox AOD valve body,

    1984 Lincoln Continental TurboDiesel - rolls coal

    Quote Originally Posted by phayzer5 View Post
    I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

  14. #154
    GMN Regular DerekTheGreat's Avatar
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    Quote Originally Posted by gadget73 View Post
    You should buy a Mark VII from an old dude who was the original owner. So far I'm at 100% success rate on extensive maintenance records for those.
    I'll just buy your white one when you're finally ready to sell it.
    1985 LTD Crown Victoria - SOLD
    1988 Town Car Signature - Current Party Barge

  15. #155
    What a Luxury car should be. mercurygm88's Avatar
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    I did my first oil change on the Mark VI tonight, no chunks of plastic timing gear in the oil so hopefully thatís been addressed.

    This was my first time under the car and it pretty much looks like a Florida car underneath. Some minor surface rust on the lower control arms and thatís about it. Exhaust looks great.

    I went for a little ride afterwards and it was a bit chilly here. It seems I donít have any heat so Iím going to have to figure that out. I assume itís the blend door or whatever the equivalent is in these. Iím guessing thatís vacuum actuated?

    Do these have an interior temp sensor like later Panthers that controls the temp? I honestly donít even know if this car has ATC it has temps marked on the slider but I suppose they could just be a reference, if it does have ATC it doesnít have an automatic fan speed.
    Last edited by mercurygm88; 09-02-2021 at 11:40 PM.

  16. #156
    GMN Regular DerekTheGreat's Avatar
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    You could look around the timing cover for signs of fresh gaskets and RTV schmoo. With how low mileage your car is, I'm betting it's never been apart..

    All Town Cars got ATC. Your problem is the ATC sensor. They go bad after awhile and unfortunately are pretty much unobtanium these days.
    The one I bought some six years ago had a date of like 2003 on it. However, I think a member on here had some success with taking his apart and cleaning it ultrasonically.. http://www.grandmarq.net/vb/showthre...-vacuum-switch
    1985 LTD Crown Victoria - SOLD
    1988 Town Car Signature - Current Party Barge

  17. #157
    What a Luxury car should be. mercurygm88's Avatar
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    Unobtainium thatís great. It looks like the Mark VI also used different sensors. I found an 80-81 sensor but nothing so far for 82-83.

    Supposing I find one how hard is it to get to? I know roughly where is is having had the dash of my 88 Grand Marquis apart for a trip minder install but I had experienced help for that.

  18. #158
    What a Luxury car should be. mercurygm88's Avatar
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    Unobtainium thatís great. It looks like the Mark VI also used different sensors. I found an 80-81 sensor but nothing so far for 82-83.

    Supposing I find one how hard is it to get to? I know roughly where itís located having had the dash of my 88 Grand Marquis apart for a trip minder install but I had experienced help for that.

  19. #159
    GMN Regular DerekTheGreat's Avatar
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    Fairly easy. I'm betting it's in the same location as my '88. You have to pull the dash pad, but you'll find it on the passenger side with like this white tube attached to it just above the woodgrain trim which says "Lincoln" on it or whatever.
    1985 LTD Crown Victoria - SOLD
    1988 Town Car Signature - Current Party Barge

  20. #160
    What a Luxury car should be. mercurygm88's Avatar
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    Quote Originally Posted by DerekTheGreat View Post
    Fairly easy. I'm betting it's in the same location as my '88. You have to pull the dash pad, but you'll find it on the passenger side with like this white tube attached to it just above the woodgrain trim which says "Lincoln" on it or whatever.
    Yeah it's in the same place as on the later boxes, you can stick your fingers up under the edge of the dash pad and feel the opening. Now that I have a part number the only issue is finding one. Until then I'm going to try to rig up a way of blocking vacuum to the blend door vacuum actuator that doesn't require dropping the glove box every time.

    Here's one thing I don't understand about how the system works. Supposing a fully functional ATC setup, at full cold there's a vacuum being pulled against the blend door actuator to keep it on cold. On heat there is no vacuum going to the actuator, if you move from cold to hot how does it dump the vacuum in the line going to the blend door actuator so that it can move? Is there just a constant slow leak built into that actuator? or is there some kind of dump valve that's triggered somewhere?

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