Author Topic: Reviving 4139R (74 TCS) after 40 years  (Read 4362 times)

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Offline dakazman

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #60 on: Friday,June 17, 2022, 03:52:31 PM »
  That seems to be similar to Hyundai procedure, but with some changes.


Make mating marks on the glass and body if the glass is to be reinstalled.
NOTE
Use chalk or equivalent to make mating marks on the glass and body.
Take out the windshield glass with special tool, Glass Holder.
Click for zoom window
Return to Main Menu(s):      Mechanical Manual      Electrical Manual

INSTALLATION
Using a cutter knife or the special tool, scrape the old sealant smoothly to a thickness of about 2 mm on the bonding surface around the entire windshield flange.
Click for zoom window
CAUTION
Be careful not to remove more adhesive than necessary, and also not to damage the paintwork on the body surface with the knife. If the paintwork is damaged, repair the damaged area with touch-up paint.
Clean the body flange surface of front windshield aperture with a sponge damped in solvent.
Click for zoom window
Clean (wipe out) completely the contaminants such as oil and dust in the primer applied part of body aperture.
After cleaning body aperture flange surface, pass a minute or more then, apply the primer to body.
Center a new windshield in the opening.
Mark the location by scribing lines across the glass and body with a grease pencil at the four points as shown.
Click for zoom window
Apply the primer to body aperture flange surface of windshield glass.
Click for zoom window
To use the primer, shake the vessel in ten minutes or more.
After application, It takes a day to dry the windshield glass. After passing a day, re-apply.
Clean the primer-applied parts of windshield glass.
Click for zoom window
Clean completely contaminants such as oil and dust in the primer-applied parts of windshield glass.
After cleaning the windshield glass, pass a minute or more and apply the primer to windshield glass.
Install the spacer in windshield glass with the body panel closed.
Click for zoom window
Adhere dam to windshield glass.
Click for zoom window
Adhere the dam at regular intervals in the edge of windshield glass.
Adhere the dam at 10 mm intervals from the lower edge of windshield glass.
Moulding installation in front windshield glass.
Click for zoom window
When working the moulding installation in front windshield glass, install the "A" part of moulding on the standard of "B" part of front windshield glass.
When inserting the moulding, be careful not to change the directions.
Primer application to windshield glass.
Click for zoom window
To use the primer, shake the primer vessel ten minutes or more.
After application, It takes a day to dry the windshield glass. After passing a day re-apply.
Apply sealant to windshield glass.
Click for zoom window
When the application shape, quantity and height of sealant are not regular.
If the sealant is sufficient: Appearance is inferior because that the sealants are flooded with inner surface.
If the sealant is deficient: Glass comes to separate and waterproof is inferior because of weak adhesion.
Install the glass to the body aperture of windshield glass.
Click for zoom window
After installing the windshield glass, adjust position.
Click for zoom window
After installing the windshield glass, wipe out foreign material on the windshield glass and body.
Click for zoom window
Perform the water-test for the windshield.
Use a cold water spray, being careful not to direct a powerful stream of water on the new adhesive material. Allow water to spill over the edges of the glass.
If there are leaks, apply sealant at the leak points.
Installation of the each trim parts is the reverse of the removal procedure.
CAUTION
Before operating wiper arm, solidify completely sealant.
\
 Dakazman

Offline 69merc

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #61 on: Monday,June 20, 2022, 06:38:07 PM »
Finishing touches…..

Rear view mirror mounted.

Wipers installed.

Trunk installed ( added some extra heat shielding to the bottom).

Now more test runs and get it legal with some antique plates👍

Offline BDA

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #62 on: Monday,June 20, 2022, 06:58:19 PM »
Looks like a pretty complete Europa, 69merc!  :pirate:

Looking forward to its maiden legal drive!

Offline 69merc

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Re: Reviving 4139R (74 TCS) after 40 years (to lower or not to lower??)
« Reply #63 on: Thursday,July 21, 2022, 08:26:09 AM »
Been putting miles on it!  Drives and tracks really well!  The last thing I’ve thought of doing is lowering the front end.  Now I’m having second thoughts because of it driving so well  :confused:
My thought is to only lower it 2 to 3 inches but I don’t want to screw up the nice ride.
I know lowering (and how to lower) a TCS has been debated over many threads.
All thoughts and opinions are welcome  :beerchug:

Offline Bryan Boyle

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #64 on: Thursday,July 21, 2022, 09:05:08 AM »
Been putting miles on it!  Drives and tracks really well!  The last thing I’ve thought of doing is lowering the front end.  Now I’m having second thoughts because of it driving so well  :confused:
My thought is to only lower it 2 to 3 inches but I don’t want to screw up the nice ride.
I know lowering (and how to lower) a TCS has been debated over many threads.
All thoughts and opinions are welcome  :beerchug:

The only lowering I'd consider (and going to do when I can get to RD for new bushings for the set of Spax shocks which I picked up along the way...complete with 1" shorter springs) is  to euro stance so the fender line front to rear is level (and re-aim the headlights).  That's my story, and I'm sticking to it...lol
Bryan Boyle
Morrisville PA
Commercial Pilot/CFII/FAA Safety Team
Amateur Extra Class Operator & FCC Volunteer Examiner
Currently working on 3291R, ex 444R, 693R, 65/2163, 004R, 65/2678
http://www.lotuseuropa.us for mirror of lotus-europa.com manual site.

Offline BDA

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #65 on: Thursday,July 21, 2022, 09:35:55 AM »
I would lower it to the specified ride height: 6" measured at the bottom of the chassis closing plate. That's going to lower it quite a bit.

It shouldn't hurt the ride quality. Remember the reason the front ride height was raised was for headlight (and bumper?) height regulations, not ride quality or handling. Keeping the same spring rates with shorter springs should give you very little change in either. Many of us have raised the spring rates, some substantially. A lot of that is personal preference. I currently have 250# front and 130# rear springs - about double the stock spring rates - and while it's certainly firm, it's not at all uncomfortable or harsh so I think there is a lot of latitude in spring rates and still be comfortable. I remember riding in a friend's stock Spitfire many years ago and was impressed with the harshness of the ride (and the tiny turning circle). I've never experienced either with a Europa!

I don't remember if you said your shocks have adjustable spring perches. That makes changing ride height a lot easier.
« Last Edit: Thursday,July 21, 2022, 09:38:31 AM by BDA »

Offline 4129R

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #66 on: Thursday,July 21, 2022, 09:48:52 AM »
Beware of speed bumps.

In the UK, local councils have a strange sense of humour. They put 20 MPH speed limits wherever they can, and put very annoying tarmac speed bumps in the road at regular intervals to annoy sports car drivers.

They use all the asphalt on these speed bumps so don't have enough to fill the potholes, which are another great way to slow cars down and annoy sports car drivers.


Offline 69merc

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #67 on: Thursday,July 21, 2022, 10:56:24 AM »
It does have an old set of Spax shocks with adjustable perches.  It is currently adjusted as low as possible.  I’m thinking of starting the lowering process by cutting the springs and see how that works.

Offline Bryan Boyle

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #68 on: Thursday,July 21, 2022, 11:35:30 AM »
It does have an old set of Spax shocks with adjustable perches.  It is currently adjusted as low as possible.  I’m thinking of starting the lowering process by cutting the springs and see how that works.

When I did my S2 (693R) back in the day...went slightly higher rate on shorter springs than OEM.  Got the nose where it was designed to be (6" to the bottom of the closing plate) and never bottomed it out on the lousy PA/NJ roads for over 13 years of ownership.  YMMV, of course, but for a road car, loosing the 1" or so is not a big deal (unless you've gone to oversize tires in the front...and hit a bump at full lock...in which case, you WILL hit your wheel arch...)
Bryan Boyle
Morrisville PA
Commercial Pilot/CFII/FAA Safety Team
Amateur Extra Class Operator & FCC Volunteer Examiner
Currently working on 3291R, ex 444R, 693R, 65/2163, 004R, 65/2678
http://www.lotuseuropa.us for mirror of lotus-europa.com manual site.

Offline jbcollier

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #69 on: Thursday,July 21, 2022, 01:53:16 PM »
Cars with flexible chassises (Spitfires) need stiff suspension to maintain any semblance of control.  Lotus have stiff chassises and are quite happy on softer springing.

Offline TurboFource

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #70 on: Thursday,July 21, 2022, 02:30:56 PM »
'69, the front definitely needs to come down from that height!
The more I do the more I find I need to do....remember your ABC’s …anything but chinesium!

Offline 69merc

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #71 on: Thursday,July 21, 2022, 09:23:19 PM »
I’ve decided.  It’s getting lowered.  I’ve been spraying the suspension bolts for a few weeks now in anticipation…… tonight they all loosened up with ease  :beerchug:

Offline Fotog

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #72 on: Friday,July 22, 2022, 10:46:42 AM »
You might consider these Protech dampers with springs, from SJSportscars:  https://www.sjsportscars.com/parts-and-accessories/SJ074C0002.htm

It was easy to install them; adjustment was easy; I got them in the US in about 4 days, and shipping is very reasonable. 

Here's a discussion of the setup that is worthwhile: http://www.lotuseuropa.org/LotusForum/index.php?topic=1104.msg9195#msg9195

I'm happy with them.
-Vince

Offline 69merc

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #73 on: Sunday,August 14, 2022, 01:12:13 PM »
Stance  :beerchug:

Cut about 3” off the springs.

Offline jbcollier

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Re: Reviving 4139R (74 TCS) after 40 years
« Reply #74 on: Sunday,August 14, 2022, 03:14:02 PM »
Nice.

How is your alignment now?  Especially check your camber.