Thanks Barry, very informative.
If one uses the Goodparts diff kit with Nissan/Infinity diff, one gets a
viscous limited slip.
Sam H mentioned to me that thes tend not to be good for longer races as the
silicon heats up and has less damping effect -- at least that is what I
think he meant.
Chuck
On Tue, Oct 14, 2014 at 1:45 PM, Barry Munson <barry@penybryn.ca> wrote:
> Amici - I came across the following list of references on the functioning
> of
> the various types of differentials. I took it from an article that was
> prepared for Ross Bentley's Speed Weeks by Jeff Braun. I refer you
> specifically to the second article "Understanding Differentials" by Craig
> Taylor which is really excellent in explaining how the various types of
> differentials function, their weaknesses and benefits in a racing
> application, however what I found most interesting was his suggestions on
> the car's setup to take advantage of the benefits of the particular
> differential installed and to deal with its limitations. During the
> construction phase on the TR3, I recalled reading a discussion by Jack
> Drews
> in which he made the point that as he removed bars from the rear of the his
> TR4 it became quicker. This really intrigued me as I tried to understand
> the
> logic of what was happening - I know there are lots of variables to
> consider
> here.
>
> With due consideration to Jack's comments, for the TR3 I chose a 7/8 inch
> front bar (Greg Solow), TR6 front competition coil springs (Ted S.),
> competition rear leaf spring (Rimmer), TR6 upper and lower control arms,
> uprights and trunions - all mounted on a TR6 competition bushing kit
> (Goodparts), adjustable front Gaz shocks, fully adjustable rear lever
> shocks
> ( Peter Caldwell), a Quaife LSD and NO rear anti-roll bar. In this
> configuration the TR3 is very neutral on corner entry (fast or tight
> corners), mid turn and exit traction - with the power currently available.
> Having never raced it in the rain I am not sure how it will perform,
> however, if performance on gravel is any indication I'll be dealing with a
> significant amount of oversteer.
>
>
>
>
> Barry.
>
>
> .
>
> . Wikipedia:
> <
> http://clicks.aweber.com/y/ct/?l=2KkWpZ&m=3VPQ4meZ7sHFWQS&b=id9_s3bbm8hmq5e
> RK2b1JQ> Basics of a differential
> <
> http://clicks.aweber.com/y/ct/?l=2KkWpZ&m=3VPQ4meZ7sHFWQS&b=Z5gZzeTMu4e3Xrr
> KZbO1aQ> "
>
> . Understanding Differentials
> <
> http://clicks.aweber.com/y/ct/?l=2KkWpZ&m=3VPQ4meZ7sHFWQS&b=Z5gZzeTMu4e3Xrr
> KZbO1aQ> " - a great article by a good friend, Craig Taylor
>
> *
> <
> http://clicks.aweber.com/y/ct/?l=2KkWpZ&m=3VPQ4meZ7sHFWQS&b=BrI370KigBrcWo7
> .Ouf86Q> Fantastic animation video of a Limited Slip Differential
> *
> <
> http://clicks.aweber.com/y/ct/?l=2KkWpZ&m=3VPQ4meZ7sHFWQS&b=yxFrqdMfJ7Nv9S
> .
> wPEUwdg> Very good animation video of ramp-style differential
>
> - Jeff Braun
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