eurogranada
Europe
To tinker or not to tinker, that is the question...
Posts: 2,496
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Richw82, great to see a little update! So good to see you've got an engine in. Now get it running!
You have what to me is the ultimate xj model, and in one of my favorite two colours (white and "baby" blue).
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Jan,
Thanks for the explanation. It sounds as though you're using more or less a complete injection set up from a later XJ6/XJ12. I figured that would be the sensible route and so far I have the tanks installed, but only one plumbed in at the moment as I still have to find all the changeover valves.
Up on the engine itself - are you using the engine's original trigger wheel and crank sensor with the megasquirt?
Alex,
I've never stopped. There's always some progress even if its minor stuff, and the pile of new/replacement parts is growing. I picked up some good bits from a car my brother was breaking including some rare S1 front foglamps. To keep my momentum this time, my old faithful S3 XJ6 is now on ebay awaiting a new owner. Its not going to get a chance to rob the S1 of spanner time any more.
Got my holiday to Le Mans to get out the way, then more on the S1.
Regards,
Rich
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"You're about as likely to come across a fully functioning old Jag, as you are a taxicab that smells agreeable." - James May
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eurogranada
Europe
To tinker or not to tinker, that is the question...
Posts: 2,496
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May 30, 2013 14:57:23 GMT
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Alex, I've never stopped. There's always some progress even if its minor stuff, and the pile of new/replacement parts is growing. I picked up some good bits from a car my brother was breaking including some rare S1 front foglamps. To keep my momentum this time, my old faithful S3 XJ6 is now on ebay awaiting a new owner. Its not going to get a chance to rob the S1 of spanner time any more. Got my holiday to Le Mans to get out the way, then more on the S1. Regards, Rich Great to hear that. I've been lacking in updates as well, but like you are moving steadily along... Gathering parts, reconditioning parts etc. And welding, a lot of welding. So I understand what you're saying!
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janm
Part of things
Posts: 42
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May 30, 2013 16:26:13 GMT
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Rich, About the trigger wheel: The 4.0 engine was, as I can recall, originally equipped with a 60-tooth wheel with 1 missing tooth at 3 different spots, 120 degrees separated. At the time when I made the install, about a year ago, and according to the people at DIYautotune, there were no such trigger decoder available. So I ordered one of their 6 ¾” 36-1 wheels along with the MS2 and bolted it, after some modifications, to the back of the pulley. Made a new bracket for the original VR sensor and also, essential, new markings for TDC. Used this setup for some time but had some minor problems with noisy tach signal in high revs, sometimes sudden ”hickups” and rev limiting. Tried with variable success different solutions, resistor in line with VR sensor, removed and added capacitors, more shielding and so on but still occasional noise. Swapped the VR for a DIY Hall sensor and great improvement, no noise at all. However, for some reason I had to reduce the Tooth #1 BTDC settings quite a lot to correct the fixed advance timing when using the stroboscop. Makes me suspect that I actually had wired the polarity wrong for that VR.
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Aug 19, 2013 13:52:39 GMT
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Hi all,
After going back through many archives, I wanted to find the simplest route to getting Ropey alive with the 3.6 I put in before I went to Le Mans. I got talking to a few friends that have already proven this route, and after some pictures from janm, and a bit of info from a few other places (including being pointed at one wild XJ6C using a 4.0 AJ16 on bike carbs!) It seems the easiest recipe is this:
Engine 3.6 AJ6, using later injection system (so crank sensor and AFM) Fuel tank setup from S3 XJ6 ECU is a Lucas 9CU for a 3.6 XJS Engine wiring loom is for a late XJS 3.6
The complete XJS 3.6 engine/ECU wiring loom is standalone with one end plugged into the ECU, and the other bits plugging into the engine. The ECU power relay, and fuel pump relay are built in. From the two plugs that normally go to the car's instrument binnacle, there is an ignition switched power, and the fuel pump feed. Thats it. I've no doubt the simplicity of it would lend it to being used in Mk2, 420G etc... other XK powered cars that could do with a bit of modern Jaguar punch.
I'm waiting on a crank sensor, then its time to turn the key.
Due to financial issues incurred by trying to have too many projects on the go, my XJR-6 stuff has been sold off and that development of this project is formally abandoned. It doesn't mean Ropey won't get another upgrade in the future though... it just means if this runs, I'm going to enjoy it for a year or so before I get any more beer-fuelled inspiration.
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"You're about as likely to come across a fully functioning old Jag, as you are a taxicab that smells agreeable." - James May
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Clement
Europe
ambitious but rubbish
Posts: 2,095
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Aug 19, 2013 14:03:07 GMT
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Sweet!!! Don't forget the mandatory pictures and videos once you get it running again
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Well... onwards I plod with Ropey!
I hit a few problems with the 3.6 engine as the early injection system and the later one are two very different systems. The early one uses a distributor pickup and is very similar to that found in the S3 XJ6. The later one uses a crank sensor, and an empty distributor that is there purely to share out spark.
I managed to get a crank sensor, and an X300 donated a crank pulley and toothed wheel, though it reqired a bit of deft work with a dremel to make it into a 60 - 3 to fit an AJ6 rather than the 60 - 1 the AJ16 has. The pulley put up a fight during its removal and lacking an impact driver, a large bar wedged against the floor and a dose of the starter motor got the bolt undone.
So after playing with plugs and batteries and various other shenanigans, its time to turn the key proper. ECU is fed from the old power feed to the fuel pump - as it has a handy crash witch in there, and is fused too - and the pump is now fed off a relay. Would it start? No.
Water ingress into the tank had killed the fuel pump dead. Off to ebay I go and grab another Lucas 4FP fuel pump. It arrived, was fitted, fresh fuel in the tank. It still won't go. The fuel pump only cuts back in (after priming) when engine speed goes above a certain limit - and the engine's not turning over fast enough. All I get is a cough every now and again.
Hmm.
I enlist the help of my brother, a freshly charged battery, and a can of easy start. I turn the engine over, and Phil shoots the easystart into the intake. The cranking speeds up... its going to catch... here it is..
KeeerbOOOmm!
It spat back. The firing order is out, and it lit the easy start - torching off all Phil's arm hair in one foul smelling five foot yellow flame. Trust me, when I say Veet has nothing on this stuff. Hairy to hairless in a nanosecond!
Sorting the firing order and turning the key again resulted in an open piped growl of epic proportions, and a cloud of smoke from long dormant oil, easy start and whatever other residue may have been in the bottom of the inlet post cleaning.
Now its a matter of connecting up more parts so I can keep it running and let it warm up.
Ropey's very grumpy, but awake. The two and a half year snooze is over.
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"You're about as likely to come across a fully functioning old Jag, as you are a taxicab that smells agreeable." - James May
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Em
Part of things
Fuel Injected? Carb Infested!
Posts: 601
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Nice to hear of some progress on this!
Good luck with the remaining work!
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Clement
Europe
ambitious but rubbish
Posts: 2,095
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Hell yeah!!! I was asking for videos in my previous post, the comment still stands
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I have to do a bit more work before its anything more than a short burst, but once it runs good, I'll get video.
Good news is the wiring is all behaving with regards to rpm and gauges, so I dodged a problem there.
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"You're about as likely to come across a fully functioning old Jag, as you are a taxicab that smells agreeable." - James May
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Very much looking forward to this being done. Always wanted an S1 and still do!
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Oct 11, 2013 11:48:52 GMT
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Right.. Ropey's having a quiet couple of weeks as I've acquired him a new home out of the wet. The prospect of working on him out of the weather may improve things and allow other bits to be redone to a better standard.
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"You're about as likely to come across a fully functioning old Jag, as you are a taxicab that smells agreeable." - James May
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Oct 12, 2013 13:45:13 GMT
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Epic thread Rich - I've learn't such a lot from your experience - Many thanks.
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Oct 12, 2013 14:21:07 GMT
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Hi Phil - glad it was of use!
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"You're about as likely to come across a fully functioning old Jag, as you are a taxicab that smells agreeable." - James May
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Congratulations Phil, sounds like you´ve got it nailed mate, i knew you´d get it all sorted out sooner or later
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janm
Part of things
Posts: 42
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Nov 11, 2013 14:05:19 GMT
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Hi Rich
I have one splendid plan for you to get old Ropey running again:
First, trash all those boring Lucas ECU:s , most of the wiring looms and the air flow meter.
Order one more Megasquirt MS2 kit
Get the right building equipment; a couple of cheap reading glasses, the thinnest soldering tip and solder wire you can find.
Build the ECU exactly as the B&G Megamanual with the VR option, low ohm injector flyback and ignition driver. Take your time. Install the latest MSExtra code, not the B&G code.
Adept the 60-1 trigger wheel to a well known and reliable 60-2. Find the TDC position, measure the angle cw between the VR sensor and the missing teeth.
Wire it up, all the original sensors can be used.
Connect your laptop. Install the aj6.msq file from the email you should have received. In TunerStudio, adjust the wheel settings from 36- 1 to 60-2 and also set the #1 tooth angle to what was measured. Calibrate the TPS, O2 and other sensors. Run the starter motor, check timing with a stroboscope.
Start the engine. A separate on-off switch for the fuel is quite handy when determing overly rich or lean. The AFR and Spark tables you have got should do ok, the fuel could need some tweaking, use req.fuel for that. When idling is ok and warmed up, turn on the AutoanalyzeLive and go...
Sounds easy, does´nt it?
Next step will be the XJR6.msq, no doubt
Regards Jan
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Nov 14, 2013 11:21:27 GMT
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Jan - thanks so much for the e-mail with the files and build notes. It has helped mightily.
I'm having to hold on until I have Ropey at my new house but the stuff you sent should see him running AJ6 then AJ16S in the future. I will not give up!
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"You're about as likely to come across a fully functioning old Jag, as you are a taxicab that smells agreeable." - James May
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Clement
Europe
ambitious but rubbish
Posts: 2,095
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Nov 14, 2013 12:16:08 GMT
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That sounds exciting!! I can't wait for the updates
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Nov 14, 2013 14:47:39 GMT
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I should add - Jan has sucessfully carried out the XJR6 transplant into his own car, and has been doing his best to keep my spirits up by e-mailing me updates and info. At the moment, while everything's a bit chaotic with mine, its been a huge lift to me.
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"You're about as likely to come across a fully functioning old Jag, as you are a taxicab that smells agreeable." - James May
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Nov 30, 2013 13:57:16 GMT
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great project! have a similar project going on myself.a series 2 coupe With an aj16s going in soon. maybe one of you guys could tell me what engine mounts you use in this Conversion? xjs 3.6 bracets both on the engine and the IFS?
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