Jump to content

'62 Lotus Seven S2 Restoration Adventures


Recommended Posts

Waaaay back in May of 2016 I experience a piston ring land failure due to detonation on my 1340cc Cosworth Ford pre X-flow Lotus Seven while on a Targa California event.  Initially I thought that it was a blown head gasket, which is a field repairable issue.  Here we are in the hotel parking lot in Paso Robles:

spacer.png

 

And then heading for home after reassembly showed lack of compression on cylinder number 3:

spacer.png

 

Subsequent teardown once home revealed the root cause.  With the engine out it seemed like the proper time to thoroughly cleanse the engine bay and driveline tunnel as the car had accumulated a lot of extra weight in the approximately 40 years since it's last thorough cleaning in those regions.  What should have taken only a month or so went sideways when I decided to do a thorough chassis cleanse since the engine was out.  This revealed a cracked chassis tube just aft of the left front A-arm mount.  Further inspection found 2 more cracks.  Which ultimately lead to this:

spacer.png

 

And finally complete skin removal to bare chassis.......

 

 

 

 

 

Link to post
Share on other sites

Putting the way back machine into fast forward, I am presently prepping for  4-day 1,000 mile or so road trip with friends north to Callifornia's central coast area around Arroyo Grande.  I've been trying to figure out a convenient way to secure my mobile phone without damaging any of my new, and very pretty, to me at least, red leather upholstery.  Yesterday I fabricated this nice little bracket to mount a magnetic phone holder, Scoshe p/n MAGDMB. 

 

I wanted to locate the phone on top of the transmission tunnel at the forward end of the removable trans cover / shift boot panel.  However the alloy panels easily accessible in that area are now covered with expensive square weave carpet or more expensive red leather.  Hmmmm.  So after percolating on the problem for a bit I came up with a very simple bracket that both mounts the phone holder and secures the front end of the trans tunnel cover:

51002298862_7711377450_b.jpg

 

The trans cover slips into the leading edge slot like this sheet of aluminum:

spacer.png

 

The mount bracket itself is riveted to a hidden part of the trans tunnel.  Once installed it looks like this:

spacer.png

 

And

spacer.png

 

And from the driver's seat:

spacer.png

 

The magnetic phone holder is effective and simple to use.  It is near to my new USB outlets as well.  Also this location is out of direct sunlight yet readily visible when driving.  Best of all no upholstery was harmed in the fitting of this bracket!  Even better, no fasteners are required to secure the trans tunnel cover.

Link to post
Share on other sites

In all the years that I've owned this car it has never had sufficient cooling capacity to support our SoCal desert climate.  I could never get the coolant temp to stay below 100C with both fans on when driving the car in a spirited fashion.  Last week I finally bit the bullet and ordered up a new aluminum radiator from Redline components.  It is a very nice piece of kit:

spacer.png

 

I added a pair of ports for a thermal fan switch and an air bleed in the top tank.  I had to relocate the drain port so that the petcock was in the proper position to clear my steering rack mounting bridge as well.

 

I installed it today and took it out for a 30 mile shakedown run in the hills above our house.  The coolant temp stayed between 75-80C with ambient temp in the 70-75F range while driving even with the cooling fans off.  The peace of mind this gives is a real load off and makes driving so much more enjoyable!

 

 

Link to post
Share on other sites
22 hours ago, escondidoron said:

Initially I thought that it was a blown head gasket, which is a field repairable issue. 

 

You had me hooked with that statement.  Looking forward to seeing what comes next. 

 

-John

Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...