Lotus Elan

S3 Restoration

PostPost by: Certified Lotus » Mon Jul 22, 2019 11:55 am

glennmoule wrote:
Certified Lotus wrote:That is a lovely looking S1. Exactly what was paint code that you used for the BRG?
And a two poster, you have treated yourself!


Glenn, I finally found the paint can I had for my Elan S1. Don’t know any more about the code as the previous owner had the car painted before I bought it.
da39ac44-0b85-43ea-8889-79fdea520dd2.jpeg and
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PostPost by: glennmoule » Mon Jul 22, 2019 12:01 pm

Thanks, I will get to the bottom of that
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PostPost by: Certified Lotus » Mon Jul 22, 2019 12:20 pm

Here is a better shot of the color of the car.
bd019faf-dc07-4758-8358-8fa11b67b25f.jpeg and
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PostPost by: glennmoule » Wed Jul 24, 2019 8:32 pm

Cylinder head coming off right now.
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PostPost by: el-saturn » Thu Jul 25, 2019 9:50 pm

...................i^m the opposite of a purist, but why dont you give yr engine some "enthusiast's grey" - me also use it`. Sandy, alps
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PostPost by: glennmoule » Sat Jul 27, 2019 1:21 pm

Engine is completely dismantled and checked.
It is an LB block but has had a .015” over bore. Understanding that this is not entirely acceptable due to its designated thin walls but there are no signs of issues at all.
I will be measuring the wall thickness on Monday just to be sure.
The valves have been uprated in the past to the big valve spec as well. Although I was not expecting this I am happy to go with it.
Cam bearings are like new, big end and main bearings with slight wear and jack shaft bearings unmarked.
After the piston to bore checked out within tolerance I gave the bores a very light hone (old hatchlings still evident). They are ready to go again which is great news.
So all I need is a full gasket and seal kit, rings, mains and big end bearings, core plugs, valve lap, paint removal, thorough clean and re-paint, new dip stick tube, new front pulley and water pump kit.
The cleaning is always my biggest and most important job with engine rebuilding.
Fingers crossed I get time to complete over the next two weeks.
Hopefully a parts supplier has it all in stock.
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PostPost by: glennmoule » Sat Jul 27, 2019 2:39 pm

Urgent info needed:
What colours are the different sections of the gearbox assembly supposed to be?
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PostPost by: types26/36 » Sat Jul 27, 2019 3:04 pm

glennmoule wrote: It is an LB block but has had a .015” over bore. Understanding that this is not entirely acceptable due to its designated thin walls but there are no signs of issues at all.

15thou overbore will be fine, Lotus only ever supplied +15 thou pistons and rings which is quite an unusual size in re-boring as the usual is increments of 10thou.
Aftermarket rings/pistons are available in various sizes at least up to +40 and probably more.
The good news is the +15 rings are cheap as not many people want them, my Sprint has been running around for years on +15 rings.
PS. chart is from S&J Lotus.
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PostPost by: types26/36 » Sat Jul 27, 2019 3:23 pm

glennmoule wrote:Urgent info needed:
What colours are the different sections of the gearbox assembly supposed to be?

This picture shows what I believe was original green paint on the gearbox of my S3 when I overhauled it several years ago.
Other pic shows how I finished it.
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PostPost by: glennmoule » Sat Jul 27, 2019 7:48 pm

Thanks type 26/36, much appreciated.
My research has since confirmed also that the bottle green is correct.
One to add from my end is that the bell housing should be black.
Any other confirmation out there on this?
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PostPost by: types26/36 » Sat Jul 27, 2019 8:11 pm

I believe you are correct with black but I just thought it looked good in silver.
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PostPost by: glennmoule » Sat Jul 27, 2019 8:14 pm

And should the top cover a plated finish, as your pic?
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PostPost by: types26/36 » Sat Jul 27, 2019 8:37 pm

Don't think so, I think that should be green as well.
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PostPost by: glennmoule » Wed Jul 31, 2019 7:24 pm

One hour away from being completely dismantled
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PostPost by: 512BB » Thu Aug 01, 2019 9:49 am

'The cleaning is always my biggest and most important job with engine rebuilding'

A wise man. Make sure you remove all gallery plugs before cleaning as a proper job cannot be achieved without.

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