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Re: [Fot] 50wt shock oil

To: joealexandervintage@gmail.com, vfracing@aol.com
Subject: Re: [Fot] 50wt shock oil
From: Gregmogdoc--- via Fot <fot@autox.team.net>
Date: Sun, 13 Oct 2024 23:47:40 -0700
Cc: fot@autox.team.net
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
In the rear shocks of my Morgan +4, which are the same body as tr-3 Armstrong 
levers, but with longer arms, I have had great success with useing MG-B 
competition rear shock valves, with Castrol "R" racing oil in a 40 sae grade. I 
was told years ago that the seals in the shocks would last longer by using the 
Castrol R.  The car is a 1964 +4.  It has races in over 60 weekends of race 
events and over 100,000 miles of hard road use.  The original Armstrong dampers 
are still on the car, still work great and do not leak.  I have also tuned the 
"compression" stroke of the shocks by adjusting the stiffness of the part of 
the valve that controls that direction of movement.  
   I would strongly recommend that you try that.  
   Another approach would be to install MG-B rear lever shocks and modify them 
the same way. The bodies of the MG shocks are larger, with larger pistons but 
use the same valves. That was an approach that was recommended for Morgans by 
the Morgan Factory back in the 1970's .
                                           Greg Solow
                                           Santa Cruz, Ca. 



>------- Original Message -------
>From    : Joe Alexander via Fot[mailto:fot@autox.team.net]
>Sent    : 10/12/2024 9:59:54 AM
>To      : vfracing@aol.com
>Cc      : fot@autox.team.net
>Subject : RE: Re: [Fot] 50wt shock oil
>
 >Word in the past is the MGB valves provides additional stiffness.

Joe Alexander
4505 Donald Dr
Cedar Falls, IA 50613
ARE  LLC
Gasketinnovations.com
Email: N197tr4@cs.com
Cell:  319.464.4711


> On Oct 12, 2024, at 11:52â?¯AM, Philip Gott via Fot <fot@autox.team.net> 
> wrote:
> 
> Hi Greg;
> It is far better to use the correct Armstrong shock oil and â??tuneâ?? your 
> shocks by changing or shimming the springs in the valve mechanism. Just 
> remove the valve and replace or shim the springs.  
> Regards
> Phil Gott
> Sent from my iPhone
> 
>> On Oct 12, 2024, at 4:33â?¯PM, Greg Blake via Fot <fot@autox.team.net> wrote:
>> 
>> Where are you guys finding 50wt shock oil these days for your lever shock 
>> rebuilds? Iâ??m striking out online.
>> 
>> Raced last weekend with 20wt and it wasnt up to the task. I had a lot of 
>> uncontrolled spring bounce going on.
>> 
>> Greg
>> Sent from my iPhone
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