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Sept 21, 2019 7:44:56 GMT
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Surely if weight loss is a priority, the last thing you want is a heavy diesel turbo lump replacing the alloy straight 6 But having read through the suggestions above, the TD5 sounds the most appealing. They make a good noise, shouldn't be too difficult to source and are fairly electronic lite from the donor vehicle compared to the Mercedes or BMW choices Haha, I get your point. It might be wise to compare engine weights from what ever I choose. I recon I can lose a couple of hundred kilos out the body and interior though so hopefully that will go a way to offsetting it. The aj6 is still bloody heavy! The TD5 sounds good from what you've said it gets complicated and above my head when the ECU is too tied in to the original car.
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Sept 21, 2019 7:40:52 GMT
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Got a bmw 2.5 six pot out of a p38 here with loom ecu etc etc if youโre interested (and anywhere near norfolk, or willing to travel?) That has peaked my interest, let me do a bit of research on the engine and I'll drop you a PM. ๐
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Sept 21, 2019 7:39:08 GMT
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How much do you want to pay, do you want a fully mechanical diesel or would an ecu be ok? Mercedes OM606 is a good engine (got one in my Land Rover), tuneable, and can be had with auto or manual once you find the bits. They came with an EDC pump so need an ecu to control, and I think it was well integrated into the host car but I believe there are aftermarket controllers available. Mechanical pumps can be swapped in, but those are desirable, rare, and thus pricey. Standard comes with a front bowl sump, but rear bowl sumps are available from later engines, though again since those are sought after for 4x4's etc they're also getting pricey. BMW have a good selection of inline 6 diesels too with a variety of transmissions and I believe some of the older versions are mechanical injection? Not sure how much effort would be needed to get an ecu controlled BMW diesel to run out of the host car? Hi, thanks for the info, I was also wondering about how integrated the engine management would be. I'd like to find something that I can use the original engine ECU with, like you can do with some other cars. I don't want to spend a fortune and aftermarket ECU's can be so I might have to go mechanical injection depending on what I can find.
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Sept 21, 2019 7:32:02 GMT
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OK, my least favourite version of the XJ's is the XJ40 but I can't understand why on earth you'd want to put a Diesel in one?? Unless you're delusional you'd have known you were taking on a thirsty car? Part and parcel of the XJ experience for most was the sedate, quiet motoring with power & speed on tap when needed. Why on earth would you want to ruin this with a clattery knocking smoky lump in the name of frugality??! (Not to mention the enormous amount of work that would be required to facilitate this conversion). Sell the Jag to someone who will appreciate it for what it is and buy a comfy, clattery, Audi or Merc Diesel. I think your on the wrong forum mate, this is retro rides not the JEC. On here things get changed because it's different, challenging and fun. BTW the XJ40 is the best Jag in my opinion.
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Sept 20, 2019 16:28:49 GMT
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Hey guy's, I've been wondering what the hell to do with my thirsty XJ40. It's sitting around feeling sorry for it's self and I need a plan. I'd like some more power and she needs to go on a crash diet at 1800kg! My question to you knowledgeable folk is, if I decide to stick a big old turbo diesel under the bonnet which is the best one to pick? I'm thinking it'll give me the tourque I need to get her fat ass rolling and I can get some semblance of economy too. The only problem is the only diesel I've had was an Audi A4 with a 1.9tdi pd engine in. So I don't really know what's out there. It obviously would have to come out a rear wheel drive car to start with and I want something reliable and economical with some decent power. The Audi was fab doing 60mpg with 130bhp and 300ft lbs of tourque, a remap would probably see it close to what I'd want. But it was FWD and there's probably a better choice anyway. What are your suggestions? Here's a picture, just coz ๐
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Last Edit: Sept 20, 2019 16:32:38 GMT by 7M.elody
You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Apr 28, 2019 17:33:32 GMT
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Happily I have a bit more progress to report. Her rear end is starting to look the part now. With a new tailpipe finisher where there was only one before, a shiny bumper and boot plinth and I've never been keen on the weird purple colour of the rear lights so I've tinted them too. I forgot to clean the rear exhaust finisher... I just realized when I saw this picture ๐ I've been working on the final piece for the front end too. The front valance is wavey and smashed to bits so I've sourced a straight replacement. It's unfortunately the wrong colour but ยฃ15 of badly matched green paint later I've corrected that. The green I got was way too light so I had to paint it black first to make it look darker. It's come out well and it's now been left to go off properly before I try and fit it! I'm looking forward to fitting it! Here a little shot of the poor rusty parts car that's been my supply of all these parts! For a while I thought I might keep it but it was full of holes ๐
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Apr 13, 2019 20:12:11 GMT
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I take it back about the bumpers being easy! The rear one took an hour and knackered 3 cutting discs on the grinder! Those two innocent looking bolts had welded themselves in to place. The bumper had to be cut off and the rams will need replacing cause the bolts will not come out! Some idiot has bolted the LH bumper support on backwards and the RH one has rusted away to nothing... It was going too well ๐ on the bright side, all the metal of the car is bob on. So in the mean time while I source parts I'll ride round with no bumper... Hopefully that isn't too much of an issue for police...
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Another little update, I have acquired some parts for improving my slightly tatty XJ40. The bumpers have started looking pretty horrible. All the black paint is peeling off and behind they are rusty as hell! The rear looks about ready to fall off. My mirrors are also terribly repaired and miss matched so I have a set of those too. Here are some before and afters! Full of holes! Before After I thought I wouldn't like all the Chrome but now it's done I'm going to keep it! I've got the back end to do next ๐ I wonder how much more crusty the rear bumper is. I couldn't believe how easy they were to change. Every bumper I've ever done bar minis has been one million bolts in the most hard to reach places. This was 2 bolts and 2 wiring clips, ace!
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Mar 25, 2019 20:54:27 GMT
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We're a bit over due an update but I must say with using it daily I don't get too many opportunities to get stuck in. I'm just sort of fixing whatever breaks as I go along. One fancy thing I bought is a timing bracket that moves the CPS slightly to advance the timing by 5ยฐ. It doesn't sound a lot but it looks shiny. I had to clean the threads on the bolt that held the CPS in as it decided to take half the old bracket with it and the soft alloy of the new bracket just wanted to squish without perfectly clean threads. I totally dropped lucky finding the right die in the kit I found under the stairs at the in laws... Phew. Having fitted it, the car is definitely faster. It felt a bit lazy before and now the throttle response is immediate and overtaking is a joy. A very well spent ยฃ77! I should see better MPG as well but I'll have to get back to you on that. One issue that has been getting worse is the smell of raw fuel when you put your foot down, it used to be under full throttle but now is everytime you do anything except very gently accelerate. I couldn't see any obvious leaks from any of the lines and it had to be coming from the engine bay so I took a punt that it was injector seals. Me and my husband decided to have a go at changing them tonight which may have been a bit daft on a work night with no other way to get to work tomorrow... Turns out they don't drop out like they should. Even levering at the rail it overpowered the clips and came off leaving the injectors firmly in place ๐ซ. Deciding I couldn't have it strand us I decided to just change the seals we could see and the filters but even the filters were completely stuck! That's it, curse word it, put it back together and hope it doesn't leak so bad we can't use it. So 6 new o rings in, pop the rail back on, do everything up and turn the ignition on to prime... No leaks Start her up... No leaks How lucky could we get? Take her for a thrash. No petrol smell! Hell yeah. Talk about a lucky fix ๐
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Last Edit: Mar 25, 2019 20:58:50 GMT by 7M.elody
You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Thanks, I need to go round the bumper chrome's with more black but I'm a little worried they'll crumble away when I try and get them off ๐. I am wanting a big single but my eye is being turned by the price of a rusty XJR. That would make for easier and cheaper boost as I'm still a little daunted by the engine management side. At least if I buy a car I'll have the right ECU there ready to swap in to the XJ40 along with the engine. We'll have to see, either way I'll be saving all this year to convert it around Christmas time.
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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The Jags been serving me well these last few weeks other than an apparent cold start issue. Then, on what has been the coldest morning on Thursday, it didn't start at all! So off to work in a taxi I went. When this happened a month ago it started when I got home from work so I tried it that evening and nothing. Checked for spark at the coil, also nothing. We pinched the one off the SD1 to check but it wasn't that. Now the problem is that I could find the multimeter so further investigation wasn't going to be simple. My friend said he could pop over with one Saturday afternoon but I really needed to know before it would be too later to order parts. One little clue was that the rev counter wasn't moving when it was cranking which would point to the crank sensor. I was worried about just ordering parts though cause I only had enough cash in the bank to do that once... Anyway saw that a CPS was available from SNG Barratt for reasonable money and they'd send it for delivery Saturday morning too. I couldn't resist the lure of a possible fix the next morning so I went for it! Thankfully it paid off and she starts up perfectly no matter how cold it is. Phew ๐
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Last Edit: Feb 3, 2019 16:49:34 GMT by 7M.elody
You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Jan 16, 2019 14:12:19 GMT
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Managed to get a photo of the finished grill today. I'm well happy with the finish. Just a shame about the rain!
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Jan 15, 2019 16:14:34 GMT
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So I'm nearly done for the day but it's going to be dark before I can refit the grill so a picture will have to wait till tomorrow! The sill is looking good now it's had a splash of stone chip, it's not the neatest but neither is the rest of the car ๐ The grill turned out ok apart from it was covered in scratches where somebody had attempted to key some of it before painting. I offered it up to the car in Chrome but immediately didn't like it so I have repainted it black properly but masked of the growler. I've really got a taste for the blacked out look now ๐. I haven't got time to do it today but I think the grills that are body coloured at the moment will go grey or silver.
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Jan 15, 2019 13:14:12 GMT
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Jan 10, 2019 21:33:16 GMT
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Aww that things so cool! I saw a video all about it on you tube a while back. I love the stuff thier selling too!
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Love the pics! It is quite tight down the side with the little twins. It's a good job I don't mind modifying the bonnet for a big single ๐
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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A bit of in update today. After some monitoring, the leak appears to be pretty minor. I went through an automatic car wash with the carpets up and a torch and no water visibly came in so I'm not going to worry about that for the moment. She's had a lumpy tick over since I got her and as there was only the leads I'd not changed in the service, I figured it was probably those. They did look fine but I noticed when getting them off, the silly tab sign on the middle of one of the leads is part of the lead.. I guess this means they could very well be original ๐ฎ. Anyway they're looking great now and the lumpy tick over is almost completely gone. I'll stick another injector cleaner in the tank and see if that helps but it is running much smoother, bonus! The old sound deadening on the bonnet has been dangling down and shedding on the engine too so that's gone in the bin as well. I also have on the way, a set of pin stripes, a cd changer for the boot and a handy book as the turbo conversion is a bit above me at the moment so I'll re-evaluate my plans once I've read this.
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Last Edit: Jan 7, 2019 16:17:49 GMT by 7M.elody
You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Dec 27, 2018 14:57:07 GMT
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Life in the Jag has been enjoyable but eventful so far. I've gone through loads of petrol ๐ I do have a lead foot, a punctured tyre, a blown central locking fuse and I've found a serious leak into the footwell! Luckily the tyre was pluggable and the fuse box has plenty of spares. The leak may take a little longer to fix though. I'm thinking the front wing may have to come off and the welder come out but it's a bit cold and damp still. For now the soggy underlay can come out and I'll drill a drain hole if I need to (it looks like it's probably made its own though ๐) At least I have a list to make, I love lists. And thankfully any welding will be out of sight. I have also found a timing bracket to buy while will give her some more beans while I'm figuring out the turbo build. www.xj40.com/viewtopic.php?t=2976
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Dec 19, 2018 19:31:54 GMT
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Hi, thanks for your input. Your choice of pressure regulator looks cool. I will be running more boost than the standard fuel system can cope with though but they would work in both instances by the looks of things.
I have considered just fitting the AJ16 supercharged but that wouldn't be as fun. ๐ Trying to put the AJ16's kit on the AJ6 would present the same problems. I've realised I have an issue with the size of the AFM. If I want to trick the ECU in to running more fuel I need a bigger AFM to match the injectors.
I'm trying to follow what I have learnt from Supra tuning as there is so much more info available. For example, when you want to up the power on the 7mgte you use the AFM and injectors from a Lexus which are 25% larger. So the ECU is effectively tricked in to thinking there is 25% less airflow and therefore peak airflow and fuelling is increased. I'm not sure I can do this with the Jag as I don't know if there is an equivalent AFM. The injectors are easier to match up but as far as I can tell it's important how the AFM delivers it's signal. ๐ค Another option would be to run an Apexi SAFC but tuning it would be mind boggling for me. Which is also why I want to avoid stand alone management. I'm not very electronically minded.
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Last Edit: Dec 19, 2018 19:35:29 GMT by 7M.elody
You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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Dec 17, 2018 21:03:15 GMT
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Before I start, sorry for the lengthy post ๐. I hope some clever noggins might also be able to help with any technical info I'm missing and/or advice.
I have been reading up on the AJ6 and I have settled, I think, on a crude but hopefully effective set up using a rising rate fuel pressure regulator instead of going to the huge expense of after market engine management.
Turbo CT26 as used in the MK3 Supra single turbo 7MGTE. Its a reliable turbo with steel internals that I can get new pretty cheap. It has a wastegate set to run 8psi of boost which I'll be leaving well alone and it's oil cooled only which is great.
Exhaust Manifold To be made from scratch by Cottrell Engineering.
Fuel Will be supplied by a larger pump, pressure regulated with a rising rate regulator, and delivered by larger injectors. The current injectors are 220cc, the AJ16 supercharged from the XJR uses 380cc for 10.5psi of boost. However from what I can tell they are higher impedance injectors so I'm not sure if I can just use these? Appreciate if anyone knows anything on this subject.
Intercooler There is tonnes of space for one just in front of the rad so not worried about this.
Timing A bit sketchy but this won't be retarding when it comes on boost seeing as it will have an oblivious NA ECU running it. So I know that the ignition is already retarded by at least 7 degrees of what can be safely run. A chap in the JEC makes brackets to advance the timing 5 degrees to give more power and economy and an AJ6 race car has reliably run 7 degrees advanced I have also read, that for a boost pressure of 8 psi a turbo car would retard the timing around 5 or 6 degrees on boost, so hopefully leaving it stock will be enough to avoid pinking. It's a shame it doesn't run a knock sensor, I'll have to hope I can hear it from inside the car if it happens! Again I'm sketchy on this subject so any advice is welcome.
Turbo Oil Feed and Return I haven't looked at this yet, I may be drilling the sump for a return and for a feed I've been told I need to find out if the oil pump provides a constant pressure or if it pulses. Any initial tips here welcome.
Down Pipe I've not given this a lot of thought yet but I'm sure something can be fabricated without to much trouble.
Thanks for reading if you made it this far ๐
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You can't buy happiness but you can buy cars and that's kind of the same thing.
1989 Austin Metro 1994 Harley Davidson hardtail bobber
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