The Triumph Dolomite Club - Discussion Forum

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 Post subject: Steering rack pinions
PostPosted: Fri Dec 21, 2012 1:45 pm 
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I found these “new products” at the JigSaw website. This could be of interest for our competition minded forum members:

* * * * *
NEW - Steering rack pinions
To enable the build of a quick rack, steering rack
Available for the following vehicle models:-
RHD Spitfire, GT6, Herald and Vitesse
RHD TR4a to TR6
RHD & LHD Dolomite Sprint
We can supply the quick rack pinion in two options:-
Option 1 - supply only so that you can build your own rack £80 plus P&P, or
Option 2 - a fully built, ready to fit, rack on an exchange basis
prices from £155 dependent on model required
plus Surcharge £60, plus P&P

* * * * *

Does this imply that the steering rack pinions of Dolomite Sprint, Spitfire/Herald and TR4a-6 are similar?

Who’ll takes the plunge and test this new item for us :lol: :lol:

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 Post subject: That is..........
PostPosted: Fri Dec 21, 2012 2:06 pm 
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Interesting.

Dolomite rack pinions are unique to our cars.
A few years ago I looked at this and indeed phoned Chris Witor but he hadn't actually commissioned any quick rack pinions
(for the 2000 range), instead he was using "off the shelf" Spitfire ones.
The lack of interest in a secondhand "quick" rack I offered on the forum suggested to me that this wasn't worth pursuing.
(I have a brand new, not reconditioned, quick rack sitting in the garage which I will fit to my car sometime.)




Ian.

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PostPosted: Fri Dec 21, 2012 4:44 pm 
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Just fit a fwd pinion in a std sprint rack and voila. Don't know exact but ithough my daily has three and a tiny bit turns.

Jeroen

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PostPosted: Sat Dec 22, 2012 10:46 pm 
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Mine is 2 and 3/4 turns lock to lock. Quite good for autosolos

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PostPosted: Sun Dec 23, 2012 10:53 pm 
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Mine also has a quick rack that was in a London tuning shop for years so it is as new.

One of the things that makes a Dolly inferior to an Escort is the clumsy slow steering.
The rack is in the wrong place too as it should be in front of the wheels which is why it gets bent in rallying.

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PostPosted: Sun Dec 23, 2012 11:01 pm 
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And the angle isn't right. It has a lot of bumpsteer but the otherway round hitting something does bend it that easy. I'm expirimenting with an e type s1 rack that has about the same dimensions and when i fit a RHD rack it turns ok for a LHD Dolomite. It's twice the size of a Dolomite one. A decent diametre rack and trackrods.

Jeroen

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PostPosted: Mon Jan 21, 2013 8:01 pm 
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I would like a quick rack, but not prepared to pay the price at our friends in Lincoln, so was considering building one using the new Jigsaw pinions.

Has anyone tried these new quick rack pinions, or even spoken to them to confirm they do indeed work with the Dolomite. I'm just concerned about Ian's comment that the pinion is unique to our cars.


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PostPosted: Mon Jan 21, 2013 11:17 pm 
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or what aspect of the sprint pinion makes it specific to a sprint? :)

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