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Thread: The XJ6.0 L98 & 6L80E Conversion (1982 XJ6)

  1. #31
    Registered User Dean 560 SEC's Avatar
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    Surprisingly, another delivery of parts arrived late this afternoon. 6 new VDO Vision gauges to replace the original Smiths fitted in the Jag and a temp & oil pressure sender.

    I originally priced doing the conversion of the original speedo, tacho and replacement of the senders for the other gauges but it worked out far more cost effective to replace the lot with these. They're the same size as the original factory gauges and are a similar style but will look cleaner and require no modifications to work with the L98 & 6L80E set up.
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    Current Garage

    1987 Mercedes 560 SEC (Ece)

    2007 BMW E60 530i

    2004 BMW E46 318i

    1982 XJ6 Jaguar 4.2

  2. #32
    Registered User irsa76's Avatar
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    Not to mention they probably won't randomly shit themselves.

  3. #33
    Registered User Dean 560 SEC's Avatar
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    Quote Originally Posted by irsa76 View Post
    Not to mention they probably won't randomly shit themselves.
    Agreed! Although the shitty Smiths gauges were more reliable and less troublesome than the Jag motor!
    Current Garage

    1987 Mercedes 560 SEC (Ece)

    2007 BMW E60 530i

    2004 BMW E46 318i

    1982 XJ6 Jaguar 4.2

  4. #34
    Registered User PXL265's Avatar
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    Well when they wouldn't have to do much work though......

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  5. #35
    Registered User Supashake's Avatar
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    Going to need some very light springs, Even with SBC's in them the springs were way to high with the weight of that big XK not sitting in the nose.
    GURU ENGINEERING PTY LTD

  6. #36
    Registered User Dean 560 SEC's Avatar
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    Quote Originally Posted by Supashake View Post
    Going to need some very light springs, Even with SBC's in them the springs were way to high with the weight of that big XK not sitting in the nose.
    Already onto it - the L98 is around 80kg's lighter than the Jag 6 so I am ordering a lowered (35mm) front set specifically for the LS conversion.
    Current Garage

    1987 Mercedes 560 SEC (Ece)

    2007 BMW E60 530i

    2004 BMW E46 318i

    1982 XJ6 Jaguar 4.2

  7. #37
    Registered User Dean 560 SEC's Avatar
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    Managed to get the radiator down lower into a position that i'm finally happy with - ended up dropping it a further 35mm so there's zero chance of interference between the cap and the bonnet. I've also picked up a bit more room to run the OTR which I plan on starting fitment this week. Once this is done and I've finished cutting up the top rad support i'll weld in some reinforcement, patch all of the unnecessary holes and put this in the pile to get powder coated.

    Installed the drive shaft and checked the alignment, so that ticks another of the main items off the list. Just the extractors and wiring are the 2 main items left before the motor and trans can come out so I can start prepping the engine bay for paint. I'm meeting with Al from Injection Connection on Tuesday to get a start on the new custom standalone engine loom (not modified Holden loom) and to have the E38 PCM modified. Hopefully that all should be finished within the next couple of weeks.

    Reinstalled the starter motor and removed the power steering hoses off the rack so I can start to work on the extractors - looks like i'll definitely be relocating the under dash handbrake with a floor mounted unit as it'll be far easier than trying to fight for space at the front of the tunnel.
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    Last edited by Dean 560 SEC; 09-10-17 at 11:03 AM.
    Current Garage

    1987 Mercedes 560 SEC (Ece)

    2007 BMW E60 530i

    2004 BMW E46 318i

    1982 XJ6 Jaguar 4.2

  8. #38
    Registered User Dean 560 SEC's Avatar
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    Fitted the OTR today and cut the upper rad support to suit. Still need to tidy up the cut out and weld in some reinforcement. I'm rather happy with how it all sits.

    I ordered the loom during on Tuesday which should hopefully be ready at the end of next week. Its being made by Al at Injection Connection specifically to order including the correct outputs and additional wiring for the VDO gauges and additional temp and oil pressure sensors.

    For a full complete engine and trans loom, all new plugs, all new fully colour coded wiring and test run on a floor mounted L98 & 6L80E trans with my modified ECU its only $1550.

    It also comes complete with fuel pump, fan wiring and relays and fuse panel which will all be mounted up behind the glove box

    I think this is a far better option than mucking around with a converted Commodore loom, with 10+ year old wiring and plugs which would not be long enough to run through the fire wall and up under the dash where I want it.

    After much stuffing around trying to get the HSV extractors and standard WM exhaust manifolds to fit I finally realised that I've been looking at this the wrong way.

    Ive ordered a set of (4 into 1)block hugger rams horn style headers from the US which will drop down between the engine mount and power steering rack on the drivers side - no issues with clearance on the passengers side. Hopefully these arrive towards the end of the week so I can fit them next weekend.
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    Current Garage

    1987 Mercedes 560 SEC (Ece)

    2007 BMW E60 530i

    2004 BMW E46 318i

    1982 XJ6 Jaguar 4.2

  9. #39
    Registered User Dean 560 SEC's Avatar
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    Slow progress this week waiting on parts. The loom is just about finished and will be ready for collection on Tuesday and unfortunately I didn't take the 'current exchange rate' into account when I ordered the headers from the US - apparently 7 days delivery when converted to US is 21 days delivery!!! All going well they will be here by the end of the month.

    Power Steering hoses are on hold until the headers arrive just to see how much clearance I have down there and where I'm left to run them. Ive also just ordered a power steering cooler which won't arrive until the end of next week. I aim to mount this directly under the front pulley in front of the x-member - it'll still get a reasonable amount of airflow, I just dont want to run the lines all over the bay and passed the rad unnecessarily.

    Managed to spend a bit to time ono the upper rad support welding in a bit of reinforcement around the filler cap - like everything else, its just tacked in place until I trial fit all the major items and do all final welds once I'm happy with how things interact.

    My challenge over the next couple of days is to make a bracket to install the DBW throttle pedal - the aim is to have it bolt up to the original Jag bolts yet sit in the right position in the foot well.
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    Current Garage

    1987 Mercedes 560 SEC (Ece)

    2007 BMW E60 530i

    2004 BMW E46 318i

    1982 XJ6 Jaguar 4.2

  10. #40
    Registered User I'm DJ!'s Avatar
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    Filler cap looks good!
    DJ's don't need sigs

  11. #41
    Registered User Mc Juicy Hairy Balls's Avatar
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    Do the old connect the dots technique. Its by far the easiest way. Bolt some mounting plates into the factory holes then suspend the pedal where u want it to be. Then cut and tack lengths of flat bar or round from point to point. Hope that helps


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  12. #42
    Registered User Dean 560 SEC's Avatar
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    Quote Originally Posted by Mc Juicy Hairy Balls View Post
    Do the old connect the dots technique. Its by far the easiest way. Bolt some mounting plates into the factory holes then suspend the pedal where u want it to be. Then cut and tack lengths of flat bar or round from point to point. Hope that helps


    Sent from my iPhone using Tapatalk
    Not how'd i do it, but thanks for the suggestion. In this case this 'easiest way' won't be the best solution in my opinion.
    Current Garage

    1987 Mercedes 560 SEC (Ece)

    2007 BMW E60 530i

    2004 BMW E46 318i

    1982 XJ6 Jaguar 4.2

  13. #43
    Registered User Dean 560 SEC's Avatar
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    Had the headers arrive yesterday - really happy with them. Left side dropped straight into place and the right side will need some minor modification to duck down between the rack,engine mount and cross member - but this should be relatively straightforward.

    Also just picked up the engine loom. Seriously impressed!!! It was still set up wth my modified PCM on his test engine and trans when I got there so got to see it all in operation. Best $1500 i could have spent. Everything is new, everything has been tested and I've seen it start, run, rev, checked the neutral switch wiht the trans shifter, etc. I'll post a couple of pics over the weekend when I get a chance to lay out out of the floor prior to test installation.
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    Current Garage

    1987 Mercedes 560 SEC (Ece)

    2007 BMW E60 530i

    2004 BMW E46 318i

    1982 XJ6 Jaguar 4.2

  14. #44
    two jaaaaaaaags drscrote's Avatar
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    Headers looking good.

    So it turns out mine is on regular lowered king springs front and rear, not the chev converted set. I remember now I lowered it before I did the engine, to see if it would kill me. As it handled ok, I then went on to do the LS swap.

    It's been years since I drove it but it was fine I recall, ride height acceptable.

    I've got a busy few days ahead, but next week I'll be able to check the ride height for you with the lowered Kings - KJFL-01

  15. #45
    Registered User Dean 560 SEC's Avatar
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    Right side 'almost fits'. Its now bolted in place - just some minor adjustment at the collector for clearance of the engine mount. Have removed the bottom flanges of both side so I can have a 60 degree elbow and flexi added before the flange. Once this is done and refitted i'll get the motor and trans out again to install the oil pick-up and remote oil filter then re-install ready for test run after the engine harness is installed. I'm a bit out of action with an ear infection at the moment and was hoping to get heaps more done this weekend (with the wife and child away) and with a baby due in four weeks I'm trying to get as much completed when I get the opportunity.
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    Current Garage

    1987 Mercedes 560 SEC (Ece)

    2007 BMW E60 530i

    2004 BMW E46 318i

    1982 XJ6 Jaguar 4.2

  16. #46
    two jaaaaaaaags drscrote's Avatar
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    That looks way roomier than mine

  17. #47
    Registered User Dean 560 SEC's Avatar
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    Very little progress over the past week recovering from an inner ear infection and lost hearing in left ear which is slowing returning to normal.

    Thought it'd be a good opportunity to post a pic of the engine wiring harness before I start the install. Huge shout out to Al from Injection Connection for building this from scratch and doing the mods to the ECU. Its all wrapped in cloth tape and every wire, plug etc is all new. It's also been made long enough to run through the fire wall so I can run the ECU, Fuses and relays up behind the dash.
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    Last edited by Dean 560 SEC; 05-11-17 at 03:06 PM.
    Current Garage

    1987 Mercedes 560 SEC (Ece)

    2007 BMW E60 530i

    2004 BMW E46 318i

    1982 XJ6 Jaguar 4.2

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