[TR] [6pack] Aftermarket damper for TR6

[Chuck Arnold]

need one right now! would love to have an affordable kit.

On Feb 4, 2008 9:31 AM, Robert Lang <lang at isis.mit.edu> wrote:

> Hi,
>
> A while back, maybe 6 years ago, I asked my machinist to look into
> alternate dampeners that'll fit the crank. It turns out that there is a
> Ford V6 application which uses the same size "snout" as TR6.
> Unfortunately, I cannot recall which Ford V6 it was, but the dimensions
> were extremely close if not exact.
>
> The purpose of my search at the time was twofold.
>
> First, at that time, there was NO source for new dampeners for TR6, so you
> had to go used or "rebuilt". The consensus at the time was that rebuilt
> meant something between "serviceable" and useless.
>
> Second, I was building a motor that would very likely see bursts to 7k
> rpm. So I wanted something to help tune out the known bad harmonics in the
> crank - I was looking for something like the ATI dampeners, but at a
> Summit Racing price. I actually contacted ATI at the time, and they quoted
> me a price for a custom dampener, but I had to get them crank snout
> dimensions to the .0001" of an inch. Yes, that 10-thousandths of an inch
> (which is easy to do with a micrometer. The cost was around $500, but then
> you had to figure out how to rin the belt to the alternator and water
> pump.
>
> Bottom line - this is do-able using off the shelf stuff and some minor
> customizations (like the bottom pulley and the water pump. The alternator
> part is easy, especially if you run a Delco alt. where you can get all
> sorts of different pulleys. Richard Good has done this on his car and I'd
> love to see him produce a kit for such a setup. But the cost will be high
> because the dampener itself is not cheap... figure $1k. That works out to
> about the cost of a reasonably worked over TR6 crankshaft (balanced,
> polish journals and some other stuff), BUT once you update the dampener
> you don't have to worry about replacing the crank every time you buzz the
> motor.
>
> Me, for one, would love to see a kit to do this. But I imagine a critical
> mass for such an endeavore would be a lot more than "one".
>
> :-)
>
> rml
>
> ---------------------------------------------------------------------------
> Bob Lang              NER/SCCA                 |  This space for rent
> Solo Chair 2008       TR6 40 F Prepared        |  Triumph!
> Voice:781-438-2568    FAX: 617-258-9535        |  Cell: 339-927-4489
>
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-- 
Chuck Arnold