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Maserati Khamsin

Discussion in 'Maserati' started by Maeter, Feb 24, 2008.

  1. staatsof

    staatsof Six Time F1 World Champ
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    Bob
    Sounds like a a complete refurbishment of the entire fuels system is imminent and requisite. That probably also includes the carbs. Lord knows what else is required as well.
    As Ivan notes the Facet pumps are fine but need a higher amperage delivery which has caused problems on Ghiblis. I don't know about Khamsins. But the tires OMG ... so all the rubber such as belts will probably need replacement. If the basic engine is good then you can probably get it running again after addressing all the supporting systems but don't be surprised if many seals and such like head gaskets soon fail. It sounds like a low mileage car but one hell of a lot of differed maintenance.
     
  2. Froggie

    Froggie Karting

    Sep 27, 2017
    149
    Belgium
    The tires look "new" while the car has 27.000 miles.
    Are you sure they are original: what is the DOT or maybe there is no DOT on the sidewall as probably was the case in the 70's?
     
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  3. 71Satisfaction

    71Satisfaction Formula Junior

    Jul 15, 2012
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    Art
    Well, so far I haven't found a date code on them. I'm only going by what the owner tells me: He's never put new tires on it. And by appearances this may be true. Michelin XWXs..
     

    Attached Files:

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  4. 71Satisfaction

    71Satisfaction Formula Junior

    Jul 15, 2012
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    Yes, the owner's obviously not a stickler for scheduled or preventive maintenance... so yes, this K seems to be ripe for a very thorough refresh...

    ..or consider it a testament to how durable and resilient these Maseratis can be. This K got driven it a little bit every year, and has not had any issues - at all - since its last service some 20-25 years ago. This "failure to start" 3 months ago is the only reason his son even reached out to me. Otherwise he'd have driven it some and put it back in his garage til next year - as usual.

    - Art
     
  5. Nembo1777

    Nembo1777 F1 Veteran

    Nov 4, 2006
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    Marc Sonnery
    #7555 Nembo1777, May 22, 2019
    Last edited: May 22, 2019
    "..or consider it a testament to how durable and resilient these Maseratis can be. This K got driven it a little bit every year, and has not had any issues - at all - since its last service some 20-25 years ago."

    Very well put Art, the delayed maintenance on this car has a silver lining: demonstrating your point emphatically!

    As I have stated before, FACTS versus very ill informed RUMORS: at, the largest ever gathering of K's worldwide: KHAMSIN QUARANTA in Burgundy near Beaune June 2012 only 3 of the 27 K's were trailered there (the prototype did not have its engine rebuilt), 24 came an average of 800kms from other countries, from as far as Oslo Norway (2000kms each way), Vienna, Modena, central England, Germany, Zurich...

    How many had issues?

    Only ONE car required a SMALL amount of attention throughout the four day event and all drove home safely.

    FACT.

    When I owned it -2004-2007- and was not across the ocean, , I drove my car 4000 miles in 2004-2005, saw top speed 26 times (8 times of which in very brief bursts in a single day on my 40th bday) and my only problem all year is one Sunday morning it refused service, no sex today it said;-) and stayed in the garage. And the next day it had stopped sulking and was willing to play again without me doing anything other than leaving it alone for 36 hours. Apart of that nothing.

    All of the above should bear testimony to the fence sitters, those hesitating about going ahead and buying one: come on, act upon your dream, don't miss the train, you only live once!:)

    Marc
     
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  6. Froggie

    Froggie Karting

    Sep 27, 2017
    149
    Belgium
    Art, when you say no service since 20/25 years ago, that means apart from oil/filter and coolant changes at least?
    Regarding the non fuel supply, although clogging due to fuel varnishing is likely, it may also be due to internal rust in the lines if the car has been sitting for long periods without use: fuel may trap water that starts rusting the components from inside.
     
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  7. 71Satisfaction

    71Satisfaction Formula Junior

    Jul 15, 2012
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    I'm honestly not sure. The oil filter looked clean, so I'm sure oil's been changed. Definitely not spark plugs, maybe not coolant.

    Here is what the rear fuel filter looked like when I pulled it today. D'ya think it's time to replace it? I will put in a fresh filter, fresh fuel, install the fuel pump and get it running, then assess what to do next. I'm not in a position to be responsible for it's maintenance like a hired mechanic - I'm just doing a friend a favor.

    Enjoy the fuel filter photos!
    - Art


    Image Unavailable, Please Login Image Unavailable, Please Login
     
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  8. 71Satisfaction

    71Satisfaction Formula Junior

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  9. thecarnut

    thecarnut Formula 3
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    That fuel filter should give you an indication of what the bottom of the gas tank may look like. With a transparent filter, like the one you are replacing, you can monitor the quality of the fuel coming from the tank.

    Once you get it running, I would immediately check to see if the hydraulic system is holding pressure after the engine if off. I do not need to remind you how dangerous it is to drive one of these cars without any reserve pressure.

    It is good to see that you are using your learned Bora skills to help a fellow Maserati owner.

    Ivan
     
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  10. staatsof

    staatsof Six Time F1 World Champ
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    +1 on the gas tank. I got horribly stranded overnight in my Espada after rebuilding my cards and fuel filter assemblies plus putting in a new FP. It impacted the filter completely, ruining the pump as well. Fortunately the carbs were unscathed,. But that's when I undertook the entire rebuilding of the fuel system which on an Espada is quite a task. The rubber fuel line goes through the passenger compartment under the carpeting! :eek: It no longer does ...

    Tanks came out, got de-rusted and lined. All fuel system components replaced plus some mods.

    Not a small job though. Hey, these are very old cars ...
     
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  11. 71Satisfaction

    71Satisfaction Formula Junior

    Jul 15, 2012
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    Thanks Bob and Ivan,
    I worked on it an hour yesterday. You can cover a lot ope ground quickly with these simple systems. Rocked the car to slosh the fuel tank around, drained about 2 gallons of fuel until the fuel ran clear. Got the new filter (opaque) and hoses ready to go in after I get the new pump in place.

    The fuel pump didn't fail after all. There is just no power to the Hot side of fuse #16.

    The original AEG fuel pump actually works, but poorly, so it goes out to a specialist in Boston for restoration. The replacement Bendix pump from MIE will be installed temporarily to get the K running, or to discover what else is preventing it from starting. I'll fabricate a toggle-switched jumper cable and inline fuse from the battery Positive straight to the hot side of the Bendix pump, get fuel to the carbs and hopefully running. I'll check the wiring diagram, see what the problem could be with the lack of power to the fuse #16.

    Like my Bora, the systems are reasonably simple once you wrap your head around them.

    The owner reported no leaks or problems with the LHM systems, so I have hope the accumulators will hold. Once we get it running I'll schedule a visit to Dave Burnham Citroen and pull the tanks, clean and reseal them, and then continue with a more thorough tune up and once over. I hope to convince the owner to convert to Euro bumpers - not hard to do with Marc's instructions on his Registry.

    The owner isn't thinking of selling it yet, so we agreed the help I give is to be "paid" for with time in the driver's seat.
    Win win.
    - Art
     
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  12. staatsof

    staatsof Six Time F1 World Champ
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    Sounds like fun. Mind that crazy quick steering ... :p Transition from a Bora is huge!
     
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  13. 71Satisfaction

    71Satisfaction Formula Junior

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    Right, thanks. The owner offered the same caution - the speed-compensating system can be "misleading". At highway speeds, a twitch is enough to find yourself a few lanes over. :eek: Fun stuff for sure..
     
  14. 71Satisfaction

    71Satisfaction Formula Junior

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    Apropos transitions: How about the Owner's Manuals?? OMG - The Bora's is a handout pamphlet compared to the ample information, methods and guidelines given in the Khamsin's!
    - Art
     
  15. 010

    010 Karting
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    Hmmm. I think that twitch may indicate the speed sensitive steering is not quite right. Although I know mine is also not right currently...(too light)... I am having it looked at in a couple of weeks... I understand it should get heavier with speed to avoid that lane change scenario with a sneeze... or an over zealous reaction... I understand a chain or some other mechanical connection exists for this auto speed to weight adjustment.

    Should be checked... I'll report back...soon I hope.
    Richard
     
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  16. khamsin433

    khamsin433 Formula Junior

    Jul 16, 2009
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    Balbir
    There is for want of a better description a pump on the rear axle driven by a belt. This provides the adjustment to steering weighting depending on speed of car.

    Bal
     
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  17. staatsof

    staatsof Six Time F1 World Champ
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    Even when it's all working properly it's just a dramatic change to hop from a Bora directly into a Khamsin. Maybe less so if you've electrified the Bora's steering and have it set to assist at speed?;)

    A friend of mine who services exotics for for a living and lot's of Lamborghinis is becoming a USA dealer for EZ Steering, the NL firm. He's currently putting one in an early Espada S1. A car that desperately needs it but it's still a recirculating ball set up. The weirdo front wheel gearbox drive for the speedo has made him opt for GPS speed sensing. Should we ever experience a strong EMP effect from the sun or something far worse ... I guess the GPS sats could malfunction and his car's steering would suddenly go all wonky at speed? :confused:o_O:D
     
  18. boralogist

    boralogist Formula Junior

    Jun 21, 2005
    394
    Not to worry.
    The EZ system will simply go off line and you would instantaneously revert to car's unassisted factory steering!

    Just like installing an on/off switch to take EZ off line in highway driving.

    Regards.
     
  19. Froggie

    Froggie Karting

    Sep 27, 2017
    149
    Belgium
    A propos power steering again...
    Pity that Maserati gave up the Diravi/LHM system of Citroen after the Khamsin. Seemed to me a very clever and innovative system.
    Btw, w/o taking into account the weight/structure of the cars, how does the PS strength/progressivity compare when going from the Indy (that already had PS) to the QP III through the Khamsin?
    And how does the EZ system behave in comparison?
     
  20. staatsof

    staatsof Six Time F1 World Champ
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    Is yours GPS sensed? The Espada I saw with it had a very klugey gearbox interface and it wasn't quite right yet. That was several years ago. So the GPS idea sounds like the right thing even if I do lose my low speed assist during a nuclear attack! :p The Espada has that V12 sitting over the steering and it's horrific unassisted when parking.
     
  21. 010

    010 Karting
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    Thanks Bal... I'll get the mechanic to point it out to me... I don't recall seeing it specifically... But do know it used to work. Cheers!

    Sent from my LM-G710 using Tapatalk
     
  22. Mexico074

    Mexico074 Formula 3

    Aug 14, 2008
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    Michael Demyanovich
    Hello All...

    In my opinion the steering hardner is probably the most un-serviced area on most of these cars. This is probably
    due to a lack of understanding on how it works and how to service it! The Khamsin Owners manual does show a
    picture of this item (page 71 in the old copy I have) and even shows the belt tension for the steering hardening
    governor belt (page 70 in the old copy I have). It also provides a one sentence instruction on adding fluid (page
    72 in the old copy I have). Unfortunately, I have yet to find a procedure for changing the belt and actually
    servicing the hardner. If anyone has any info on this, please let us all know!

    Mike
     
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  23. boralogist

    boralogist Formula Junior

    Jun 21, 2005
    394
    No it is not.
    Although it was a real pain we eventually managed to get the mechanical setup to run properly---at least in the Bora!

    Not sure if we could have done it on the Espada with that V12 sitting up front!

    Regards.
     
  24. staatsof

    staatsof Six Time F1 World Champ
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    It was the front wheel gearbox interface that was an issue. Having to interrupt that already terrible cable routing just looked like a nightmare under what is already a very crowded dash. Both master cylinders sit in there under the speedo & tach. Access is crazy hard. The guy doing this one is good, former aircraft mechanic, and he's doing the first one on a buddy of his's car that he's worked on for about 15 years so he'll figure it out. Not having to F with that cable is a big benefit IMHO. That speedo drive was not one of Lamborghini's better ideas ... And they repeated it a lot! It reminds me a bit of the Maserati AC/Water pump drive "innovation" on some of the V8 GT cars ... When you see stuff like this for the first time it's always a WTF moment ...
     
  25. Froggie

    Froggie Karting

    Sep 27, 2017
    149
    Belgium
    What do you mean exactly and on which cars?
     

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