[Fot] Motor mounts, round or square?

[Marx Christian tr4-racing]

I agree with Joe.
A torgue rod is mandatory for racing purpose....and even more if you do
standing starts.
Since I use the torgue rod I hadn't any failure of the motor mounts.
I use the square ones and fill the caves with windshield glue (don't know the
proper name)

Cheers
chris
  ----- Original Message -----
  From: Tony Drews
  To: chris at tr4-racing.de
  Sent: Thursday, August 30, 2007 6:41 AM
  Subject: Fwd: Re: [Fot] Motor mounts, round or square?




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    Subject: Re: [Fot] Motor mounts, round or square?
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    Tim


    I use the round ones, but I also have the Torque Reaction Arm in place.
This
    is an OEM part used on the TR4.


    It limits the travel of the engine when going from extreme braking to full
    throttle.  There is absolutely no question that it does, as I removed mine
to
    reverse engineer this part to produce it.  The result was bent velocity
stacks
    at the next outing.


    Subsequently, I think it also reduces the stress on the rear tranny
mount.


    If anyone needs one, I have a few on the shelf.


    Joe





    >
    > Last November Gary asked which was the preferred motor mount: the older
round
    > style or the newer square style.  There was some discussion but the
    > round/square question was never answered.  We just broke a motor mount
at
    > Grattan on the pot hole of the last turn.  So now the question is of
more
    > than
    > academic interest.  The motor mounts we have are the square ones from
Moss
    > and
    > we ran four events, including Grattan, before we had the failure.
    >     The ones from Cambridge Motor Sports were highly regarded during the
last
    > discussion but the cost at that time was about $80 compared to about $16
for
    > the round ones from Moss.  Any input would be appreciated.
    >
    > Tim Murphy
    > #317 TR-4
    >


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