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Author: Subject: Lotus Eclat V8 project....
Nickp

posted on 7/6/19 at 06:55 AM Reply With Quote
Lotus Eclat V8 project....

Now the photo upload's working again I can put some pics up of my latest project.
It's a tatty old 1978 Lotus Eclat that came with no engine / box off an old mate.
Chassis seems good and I'm planning to fit a Lexus 4.3 vvti V8 mated to a BMW Getrag 260 box (from an E30 with overdrive 5th)

As I found it-

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Body lifted off chassis-

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Trial fit of engine-

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The V8-

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[Edited on 7/6/19 by Nickp]

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Partofthechaos

posted on 7/6/19 at 05:19 PM Reply With Quote
Nice find! Please keep us up to date with progress!
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obfripper

posted on 7/6/19 at 06:21 PM Reply With Quote
I have got some lotus factory manuals if you get stuck with anything.

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Dave

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big_wasa

posted on 8/6/19 at 08:39 AM Reply With Quote
Another car I should of bought when they where worth feck all. Still being a lotus I would probaly struggle to get in/out.

It would be great if you can do a bit of a project diary / blog.

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SJ

posted on 8/6/19 at 08:40 AM Reply With Quote
That will be awesome!
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Nickp

posted on 8/6/19 at 08:59 AM Reply With Quote
quote:
Originally posted by obfripper
I have got some lotus factory manuals if you get stuck with anything.

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Dave


Nice one cheers

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Nickp

posted on 8/6/19 at 09:04 AM Reply With Quote
quote:
Originally posted by big_wasa
Another car I should of bought when they where worth feck all. Still being a lotus I would probaly struggle to get in/out.

It would be great if you can do a bit of a project diary / blog.


I didn't pay much for it at all but it does need a LOT of work. I got lucky with the chassis as someone must've had the body off previously and gave it a good lashing of hammerite. I'm getting it blasted and painted properly once I've made the engine/gearbox mounts.

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Nickp

posted on 8/6/19 at 09:22 AM Reply With Quote
Car was originally metallic brown, very 70's!! Looking at painting it Lotus Lemon Yellow

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big_wasa

posted on 8/6/19 at 12:49 PM Reply With Quote
Hmm thatís giving me ideas, maybe I should leave the v6 in the back of the garage.
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Nickp

posted on 8/6/19 at 01:19 PM Reply With Quote
quote:
Originally posted by big_wasa
Hmm thatís giving me ideas, maybe I should leave the v6 in the back of the garage.


I was thinking about putting a V6 in it but I had a V8 itch that needed scratching I got the engine and a Phoenix loom at a very good price off a mate as his project (MX5) ended up been a non starter.

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Schrodinger

posted on 9/6/19 at 07:52 AM Reply With Quote
I'm quite a long way from you in Norfolk, but the guys who did the bodywork and paint on my stylus both used to work for Lotus and have done a number of bodywork restos, you can see a Europa in the background in this photo

[img][/img]

If you want any contact details let me know.





Keith

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Nickp

posted on 18/11/19 at 08:51 AM Reply With Quote
Finally got going again on the Lotus. Haynes has been shipped off to a mates for the winter to give me some space to get the chassis out from under the body. Engine / gearbox mounts now made and all sat in the chassis now. Tried dropping the body over the whole lot but that wasn't happening due to the width of the heads. So, plan B, fit the body back on and drop the engine/box in from the top. Minor trimming needed to the engine bay but it's all sat in with clearance around it and the bonnet shuts too!! Now looking for a Jag diff to see if I can make that fit too

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alfas

posted on 6/12/19 at 10:43 AM Reply With Quote
the weak point n that chassis is the rear crossmember....as lotus was so clever putting some spongy insulation between x-member and body.

consecutivly this aera always remained wet and the x-member rusted from top.

lotus did not recommend (they even forbid) to repair-weld the chassis....the chassis needed to replaced whatever damage it had.

another weak point where the rubber-bushes of the ARB where its connected to the TCA on front suspension. those rubbers had most influence on the ride and steering precission of those cars.

rear suspension swingarms are also prone to rust and their chassis-side pivot-point prone to seize and tear-off
as per typical lotus design the rear drvie-shafts where used as a part of the suspension, means high stress on the u-jpoints.

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Nickp

posted on 11/12/19 at 04:16 AM Reply With Quote
quote:
Originally posted by alfas
the weak point n that chassis is the rear crossmember....as lotus was so clever putting some spongy insulation between x-member and body.

consecutivly this aera always remained wet and the x-member rusted from top.

lotus did not recommend (they even forbid) to repair-weld the chassis....the chassis needed to replaced whatever damage it had.

another weak point where the rubber-bushes of the ARB where its connected to the TCA on front suspension. those rubbers had most influence on the ride and steering precission of those cars.

rear suspension swingarms are also prone to rust and their chassis-side pivot-point prone to seize and tear-off
as per typical lotus design the rear drvie-shafts where used as a part of the suspension, means high stress on the u-jpoints.


Yeah, luckily my chassis is surprisingly solid if a little tatty. Once I've done all the fabrication it'll be getting blasted and painted. I'll be polybushing the front end completely and the rear is going to be pretty much all Jag, so much beefier.

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Nickp

posted on 11/12/19 at 04:23 AM Reply With Quote
I've picked up a 2.87:1 XJS 'Powerlok' diff to put in and all the associated arms / shafts / hubs etc. The whole lot is only 1/2" wider than the original Lotus stuff. With such a tall diff it means I can go back to an E36 gearbox with it's 1:1 5th gear and still have a theoretical top speed of 170+mph The E30 gearbox with it's overdriven 5th was going to give me 210+mph

There's been some steady progress on getting the Jag diff mounted into the chassis this week. I've made a top plate from 3mm steel and managed to bolt the diff into position to check prop alignment etc. I've cut away just enough chassis to get it into position but will need to remove more to allow room for the inboard discs and calipers. Before I do this I intend to strengthen the chassis by welding in 1" box section along the length of the rear section then add several brace pieces to triangulate it all. Once happy with the top I'll flip the chassis to make a frame to tie the original mounting points into the base of the Jag diff. Unfortunately there wasn't really a way to rubber / poly mount the diff so the whole thing will be solidly mounted, as it is in my Haynes and some TVRs apparently. Hopefully this won't be an issue as the body is rubber mounted and therfore isolated from the chassis to a certain extent.

Can't seem to upload pics again

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