Hi all
You can also use the twin valve DAS 9 shocks which are a simple bolt on
substitute for the standard shock - I use these and they simply transform the
car. TR2 to TR4 only.
I have a couple of spare pairs which Iâ??ve just had reconditioned so contact
me off list if you could use them.
Same opportunities on oil, adding adjustable valves etc but out of the box, the
twins basically sort it out and you then have to go to another different rear
suspension configuration to get anything better.
The MGB shocks (DAS 10) require a larger turret to be welded onto the chassis
as the four TR4 â??VCâ?? rally cars had in period. You can then use the
standard single piston shock or the adjustable twin valve type.
Both DAS 10 options require the arms changing to an obscure van part and / or
the use of rose jointed arms / links, so a little more engineering involved to
make them work properly.
Regards
Tony
Sent from my iPhone
On 14 Oct 2024, at 08:45, Gregmogdoc--- via Fot <fot@autox.team.net> wrote:
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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