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Racetech Emulators for damper rod forks? #744436
08/04/18 8:52 pm
08/04/18 8:52 pm
Joined: Jul 2018
Posts: 16
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spuggy Offline OP
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spuggy  Offline OP
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Joined: Jul 2018
Posts: 16
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Hey guys,

I need to refresh/check the forks on my 1960 TR6; decided I'd like improved damping, so was looking into upgrading/updating at the same time.

Surrounded myself with parts diagrams and it seems you'd have to change many parts to use the 64-67 competition damper rods - let alone upgrade to the even later shuttle-valve type damping (where you'd certainly be replacing most/all of the internals). And it's not even clear if either setup can be massaged into co-operating with the earlier fork sliders (anyone done this and know off-hand?)

In comparison, Racetech Emulators seem like a laughably trivial install; drill extra holes in the damper rods so that they don't anymore, adjust the valve to the desired rebound setting, drop it in, change springs out for Racetech ones, re-assemble, re-fill with the correct oil/amount for your desired compression setting, job done.

Which apparently provides real adjustable damping; folks with later damper-rod forked bikes generally say they're an improvement (although accessing the "adjustability" does involve dismantling/fiddling about).

But overall, it does seem very intriguing - anyone used them or have any experience with them?

There looks to be zero hits on this board searching for "racetech emulator", although google results seem to indicate that many Guzzi/Harley/Yamaha riders - as well as Triumphs less than a decade old - mostly think they're not a waste of time/money, even though some are less enthused than others.

Pretty low bar to get an improvement from stock, so seems worth a try...

Cheers,

Andy


1960 TR6: Skunkworks and Sympathetic restos (sorta concurrently, on the same platform)
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Re: Racetech Emulators for damper rod forks? [Re: spuggy] #744478
08/05/18 6:01 am
08/05/18 6:01 am
Joined: Dec 2004
Posts: 9,434
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kommando Offline
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kommando  Offline
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Scotland
Ask the question where are you going to fit them if there is no damper tube to sit them on and also no internal spring to hold them in place.

Re: Racetech Emulators for damper rod forks? [Re: kommando] #744546
08/05/18 7:51 pm
08/05/18 7:51 pm
Joined: Jul 2018
Posts: 16
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spuggy Offline OP
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spuggy  Offline OP
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Originally Posted by kommando
Ask the question where are you going to fit them if there is no damper tube to sit them on and also no internal spring to hold them in place.


Heh. Why, yes, that would be a problem. smile

Maybe you're thinking of the earlier pre-units though? (I can't quite grasp what the heck is going on in their parts diagram - "pressure tube"? huh?)...

My parts diagram for the 1960 duplex 6T, T110, TR6 & T120 shows both damper tube & internal springs; I was under the impression the forks didn't go external spring until 1964 MY.


1960 TR6: Skunkworks and Sympathetic restos (sorta concurrently, on the same platform)
Re: Racetech Emulators for damper rod forks? [Re: spuggy] #744591
08/06/18 4:38 am
08/06/18 4:38 am
Joined: Dec 2004
Posts: 9,434
Scotland
kommando Offline
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kommando  Offline
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Joined: Dec 2004
Posts: 9,434
Scotland
I was considering the 69/70 shuttles, anyway I did solve all these issues and fitted them but instead went Showa 20mm cartridge which needs some steel thin wall precision tubing to replace the alloy Showa tube or the oil cannot freely pass outside the cartridge.



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