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18711 "Miss Jensen"  Rating:  Rating
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 Posted: 07-31-2015 05:22 pm
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subwoofer
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My prayers may have been answered!

https://www.facebook.com/classicfordmag/posts/927284433971729
https://www.youtube.com/watch?v=9WD8_4xhgOg&list=UUJfLna8jgGWD2466yARk8DA

Northampton Motorsport has created the DCOi carb throttle body, making it appear that a set of DCOEs are installed, completely hiding the TPS and injectors inside. Somewhat pricy though, ~£750 each...

--
Joachim

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 Posted: 04-24-2016 06:27 pm
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subwoofer
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Getting back on track...

The handbrake has been out of commission since converted the rear brakes, and I wasn't able to route the cables like HiSpec had intended, no matter what I did I ran into trouble with the rear springs. So I had to get creative, great thanks to Gordon for inspiration. I was able to repurpose the original JH parts without modifying them, that way it is a straight forward job to convert back to the original brakes in case the MOT goes sour (because of the lack of paperwork on the mods).


Had to make an M8 bolt with some M6 threads on it


... to be able to mount M6 threaded rod in an M8 clevis


Made an adapter to add to the end of the original handbrake wire, return spring clearly visible


And the other side

Seems to be working, but I still need to tighten it slightly, I think. The handbrake will never be one for handbrake turns anyway, small pads makes it a parking mechanism only.

Shakedown trip was almost uneventful - once I got out on the road. The capillary tube for the oil pressure gauge had dislodged itself, backing out of the garage I lost about 1/3 of a litre of oil. Good thing I saw the stripe of oil as I backed out!

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Joachim

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 Posted: 05-21-2016 11:20 am
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subwoofer
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I may finally have cured the f¤%&ing misfire problem, and while I was at it I replaced the battery with a fresh 72Ah silver/calsium battery. Naturally, no current standard battery size is a correct fit and the closest I found to the one already installed wouldn't sit right either. No surprises there, then...

I had to raise the battery platform about 1/2" to get a good foundation for the new battery. Thought long and hard on it, then remembered that plastic cutting boards are cheap and easily available. Enter MacGyver mode:





The new battery is a bit taller than the old one, so I was a bit worried the connections might hit the bonnet, so I did a clearance check with the cardboard box the rotor came in. No problems at all, the box wasn't crushed at all.



It only took 3 years to figure out the cause of the misfire, the fix was £15 delivered at my doorstep.

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Joachim

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 Posted: 05-21-2016 02:18 pm
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Brett Gibson JH5 20497
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Joachim, just replaced my battery and here in the US the 56 frame works well in a JH. Thanks for the tip on the riveted rotor, I had one as a spare but will now toss.
Brett

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 Posted: 05-21-2016 07:28 pm
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gmgiltd
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I seem to remember that the first few rotors in my car also had a sprung counterweight which was the rev limiter - I haven't seen them for some time. The effect was quite dramatic and certainly discouraged venturing too close to the redline.
CTI is a major improvement.
Gordon

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 Posted: 05-21-2016 07:28 pm
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gmgiltd
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Last edited on 05-21-2016 07:30 pm by gmgiltd

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 Posted: 06-16-2016 12:20 pm
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subwoofer
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MOT done, good for another two years. :-)

Need to reset the idle mix and air bleeds, everything is way out of wack after messing about trying to figure out the misfire. I also put in too much toe-in to try to cure a slight left-or-right-depending-on-the-crown-of-the-road problem, so will have to take some back out. Other than that, no complaints from the inspector, neither about the new brakes or the Revolution wheels.

Pheew...

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Joachim

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 Posted: 07-23-2016 09:37 pm
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Tom Thomson
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Joachim
  The project looks great!  You mentioned doing a bit of work on the brakes and that reminded me of the time my daughter-in-law came back (in 16036) with great clouds of smoke billowing from the rear wheel wells.  Turns out that the flex line was swelled internally (outside looked good) so that pedal pressure would force fluid thru but the return springs would not, thus keeping the shoes applied.  Replacing the line fixed the problem.
                    Tom Thomson

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 Posted: 04-24-2019 07:18 am
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mgreaves
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Joachim, that is inspirational work.
I'm interested in shoehorning a 1988 Esprit 920 engine into my Jensen-Healey. I know the oil pan is too wide for the cross member, however, I understand you modified your sump, do you have any idea if a 920 sump can be modified to fit without changing the chassis of the car?
Cheers
Michael

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 Posted: 04-24-2019 08:13 am
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mgreaves
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Update that is a 910 engine not a 920..

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 Posted: 04-25-2019 06:51 am
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Max_dvdt
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We are in the process of fitting a 910 block+sump

Old engine is out, new engine is being built.

before he gets to assembling the whole thing I'm going to get just the block and sump and so some trial fitting.

Will let you know but it might be summer before this happens.

Our plan is to mod the subframe, not the sump

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 Posted: 08-20-2019 09:07 pm
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redracer
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Subwoofer; can you please tell us where you got the "separate" upper steering knuckle and lower matching splined shaft? I saw one years ago(think it may have been off some Jaguar?) but after repairing it sent it back to the owner.
thanks, bruce madden(Red Racer) and Greg Fletcher

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 Posted: 09-20-2019 05:38 pm
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subwoofer
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redracer: Sorry for sluggish reply, have been way too busy on other fronts to follow up on forum posts.

It's been way too long, but most likely it was from David Booth in the UK, unless it was from Martin Robey.

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Joachim

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 Posted: 09-20-2019 05:40 pm
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subwoofer
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mgreaves: I wish I knew, Esprit2 is more likely to know the internals of the 910 sump. But anything can be modified into anything, it is just a question of how good you are with the TIG torch and the grinder.

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Joachim

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 Posted: 09-20-2019 05:42 pm
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subwoofer
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Been working a bit on the front suspension again, pictures will be forthcoming once I figure out a good place to host them. Photobucket is useless these days.

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Joachim

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 Posted: 09-20-2019 06:42 pm
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redracer
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thanks for finally getting back; that item is really needed and I have contacted both Robey & Rejens(but not Booth, who was at the 2000 Easy coast nationals) with no luck??
Somebody(assume in the U.K.) made these and I can't believe there is nobody who knows anyone from whatever factory made them. Please see if you can delve into this a little more, as I said there is a VERY REAL necessity and my cost of rebuilding all 3 pins is over $300.
btw, I am at the East Coast National right now in St. Louis, and there is quite an impressive group(40+ cars, mostly J-Hs) keeping the marque alive and well!
take care, bruce

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 Posted: 09-20-2019 10:51 pm
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Esprit2
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mgreaves wrote:
I'm interested in shoehorning a 1988 Esprit 920 engine into my Jensen-Healey. I know the oil pan is too wide for the cross member, however, I understand you modified your sump, do you have any idea if a 920 sump can be modified to fit without changing the chassis of the car?Michael,
The Lotus 920 is just a 2.0 version of the 2.2L 910 Turbo. Whatever fit problem there might be putting one into a J-H will also apply to the other.

The cylinder blocks are dimensionally the same for the 907 and 910/ 920. The 'wide' block's greater width is all in the bolt-on Main Bearing Panel (MBP), and the larger, wide-mouth sump matches the perimeter of the MBP.

How would you have to modify the sump? If you can do it entirely below the MBP, without modifying the MBP, then there's nothing inside the sump that would be diffiuclt to modify it to fit. There is a windage tray that bolts in, but it doesn't involve any hinged panels. See tha attached JPEG

Attachment: 907 Oil Pan, J-H 907 vs 910 Turbo - 91kb.jpg (Downloaded 67 times)

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 Posted: 09-20-2019 11:39 pm
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Esprit2
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Here's the Sump & Baffle's illustration from the 1988 Esprit Parts Manual.

Regards,
Tim Engel

Attachment: 910 Sump & Baffle - Illust 40.03A - 96kb.jpg (Downloaded 67 times)

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 Posted: 09-20-2019 11:50 pm
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Esprit2
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I tried to post a similar illustration of the Cylinder Block & Main Bearing Panel... But JHPS won't accept it. I re-sized it down to 89kb, and still no luck. If you think it would be helpful to you, PM your email address to me, and I'll forward the full size file... 1734kb.

Regards,
Tim Engel

Last edited on 09-21-2019 12:04 am by Esprit2

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 Posted: 09-21-2019 12:00 am
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Esprit2
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Last edited on 09-21-2019 12:01 am by Esprit2

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