Lotus Elan

Rear Suspension Overhaul

PostPost by: rgh0 » Mon Apr 16, 2018 12:42 pm

I have always assumed Lotus did it as the cast aluminium alloy ears that the rear bolts go through are relatively soft and this can cause the bolts to loose tension and come loose hence lock wiring the rear bolts. The steel bracket ears at the front don't suffer from the same problem hence no lock wire

One day I must look at some more modern cars to see what they do if the have similar aluminium alloy caliper mountings

cheers
Rohan
User avatar
rgh0
Coveted Fifth Gear
Coveted Fifth Gear
 
Posts: 7486
Joined: 22 Sep 2003
Location: Melbourne, Australia

PostPost by: jbeach » Mon Apr 16, 2018 2:16 pm

I've heard it said that Lotus specified rear safety wiring our of a concern the different heat-induced expansion characteristics of the cast-iron calipers vs. aluminum ears might cause the bolts to loosen over time. And that the specification wasn't necessary on the fronts because they are standard iron-on-iron Triumph parts.

Rohan's explanation seems more plausible to me.

Here's my rear, as of this morning, waiting for brake bleeding and hub installation:

beach-rr-suspension-rebuilt.jpg and


beach-lr-suspension-rebuilt.jpg and


The safety wiring was easy (actually fun) once i found a source for the wire itself.

SENC, please keep us updated as you continue and I'll do the same.

-John
John Beach
'69 Elan S4 DHC - A Work in Progress
jbeach
Second Gear
Second Gear
 
Posts: 167
Joined: 10 Nov 2014
Location: Columbia, South Carolina USA

PostPost by: Bigbaldybloke » Mon Apr 16, 2018 2:23 pm

When I ordered my wire locking pliers they came with a couple of metres of stainless locking wire.
Change is inevitable, except from a vending machine!
Bigbaldybloke
Fourth Gear
Fourth Gear
 
Posts: 661
Joined: 16 May 2017
Location: Lincolnshire

PostPost by: jbeach » Mon Apr 16, 2018 4:01 pm

I've just been using vice grips - wire locking pliers are expensive! The vice grips aren't quite as fast, but the end-result has been fine. If I were safety-wiring a bunch of bolts on the car I'd have probably sprung for the specialized tool.

The only place I could find safety wire in Columbia, SC was O'Reilly's. The NAPA (a much bigger store) sales clerk had never heard of it!!

It's amazing how many times during this project I've unsuccessfully searched for an obscure part or tool, only to find it at my local O'Relly's. This store definitely doesn't cater to a classic British sports car clientele, but I've finally learned to look there first.

Cheers,

-John
John Beach
'69 Elan S4 DHC - A Work in Progress
jbeach
Second Gear
Second Gear
 
Posts: 167
Joined: 10 Nov 2014
Location: Columbia, South Carolina USA

PostPost by: Bud English » Mon Apr 16, 2018 4:16 pm

jbeach wrote:It's amazing how many times during this project I've unsuccessfully searched for an obscure part or tool, only to find it at my local O'Relly's. This store definitely doesn't cater to a classic British sports car clientele, but I've finally learned to look there first.


+1 on that and their tool loan program works well for something you need only once in blue moon or don't have room to store between uses.
Bud
1970 +2S Fed
"Every Lotus that an owner modifies makes yours worth that much more." - You're welcome!
User avatar
Bud English
Fourth Gear
Fourth Gear
 
Posts: 923
Joined: 05 Nov 2011
Location: Winnemucca, NV, USA

PostPost by: gjz30075 » Mon Apr 16, 2018 11:40 pm

Looking good, John!
Greg Z
45/0243K Sprint
36/5727 pre airflow coupe
User avatar
gjz30075
Coveted Fifth Gear
Coveted Fifth Gear
 
Posts: 2948
Joined: 12 Sep 2003
Location: Roswell, Georgia, USA

PostPost by: SENC » Tue Apr 17, 2018 12:44 am

Great looking rear! :lol: Mine isn't near as tidy. :lol:

jbeach wrote:
Here's my rear, as of this morning, waiting for brake bleeding and hub installation:

Beach RR Suspension - Rebuilt.jpg


Beach LR Suspension - Rebuilt.jpg


The safety wiring was easy (actually fun) once i found a source for the wire itself.

SENC, please keep us updated as you continue and I'll do the same.

-John
Henry
69 Elan S4
65 Seven S2
SENC
Fourth Gear
Fourth Gear
 
Posts: 605
Joined: 30 Dec 2015
Location: NC

PostPost by: jono » Tue Apr 17, 2018 10:04 am

I've always thread locked those bolts and used no wire, never had any issues.
jono
Coveted Fifth Gear
Coveted Fifth Gear
 
Posts: 1629
Joined: 17 May 2007
Location: The wet bit in the top corner of England

PostPost by: rgh0 » Tue Apr 17, 2018 11:22 am

jono wrote:I've always thread locked those bolts and used no wire, never had any issues.


Hi Jono
In your part of the UK you dont even need that as anything under the car rusts permanently in place in about a week :lol:

cheers
Rohan
User avatar
rgh0
Coveted Fifth Gear
Coveted Fifth Gear
 
Posts: 7486
Joined: 22 Sep 2003
Location: Melbourne, Australia

PostPost by: jono » Tue Apr 17, 2018 2:52 pm

Rohan,

Your not wrong! Hadrian's wall runs through my garden (I kid you not!) - can't imagine how the Italians put up with it way back then. Cumbria is not called the piss pot of England for nothing :D

However today is lovely for a change.
jono
Coveted Fifth Gear
Coveted Fifth Gear
 
Posts: 1629
Joined: 17 May 2007
Location: The wet bit in the top corner of England

PostPost by: JonB » Tue Apr 17, 2018 4:01 pm

jono wrote:Hadrian's wall runs through my garden (I kid you not!)


That's a picture I'd like to see.. what's left of it?
User avatar
JonB
Coveted Fifth Gear
Coveted Fifth Gear
 
Posts: 2102
Joined: 14 Nov 2017
Location: South Coast, UK

PostPost by: jono » Tue Apr 17, 2018 4:16 pm

Nothing left Jon,

To be precise part of it runs below our sitting room, or rather the route of the wall. Our pub as was is built on the Milecastle.

Once you get into Cumbria there's little of it left - on the Solway plain it was built in turf as there's no stone out there. Our house is partly built in part from Roman stone as the wall was robbed for it in years gone by

This is the best I can do - it's somewhere below the Mini!
Attachments
p1060458-copy.jpg and
jono
Coveted Fifth Gear
Coveted Fifth Gear
 
Posts: 1629
Joined: 17 May 2007
Location: The wet bit in the top corner of England

PostPost by: JonB » Tue Apr 17, 2018 6:00 pm

The piccie of your Mini is a nice consolation prize, though.

Sweet!
User avatar
JonB
Coveted Fifth Gear
Coveted Fifth Gear
 
Posts: 2102
Joined: 14 Nov 2017
Location: South Coast, UK

PostPost by: 661 » Tue Apr 17, 2018 6:28 pm

jono wrote:Rohan,

Your not wrong! Hadrian's wall runs through my garden (I kid you not!) - can't imagine how the Italians put up with it way back then. Cumbria is not called the piss pot of England for nothing :D

However today is lovely for a change.

Looking forward to a trip up there in a month. Going to L'Enclume
Graeme
S4 SE
S2 GTS
Peterson JPS Exige
User avatar
661
Fourth Gear
Fourth Gear
 
Posts: 824
Joined: 29 Mar 2012
Location: East Sussex

PostPost by: jono » Tue Apr 17, 2018 8:59 pm

Nice if you like artistic food.

Took the wife for lunch there last year - 2 glasses of wine and lunch for two, ?165

Stopped for a pie on the way back
jono
Coveted Fifth Gear
Coveted Fifth Gear
 
Posts: 1629
Joined: 17 May 2007
Location: The wet bit in the top corner of England
PreviousNext

Total Online:

Users browsing this forum: No registered users and 3 guests