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ianc

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ianc last won the day on June 19

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About ianc

  • Birthday 07/16/1939

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  • Location
    Thame, Oxon
  • Cars Owned:
    TR4

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  1. To answer Peter W's query: OVERDRIVE SOLENOID Today (25/05/09), I made some measurements on a brand new, spare, overdrive solenoid which I bought from Moss some time ago. I think it is fair to assume that it was built to the same specification as the original Lucas item. Pull-in (Pull-in and Hold-in coils in parallel) 0.8 ohms, drawing about 15-17 amps. Hold-in (pull-in circuit disconnected by plunger operating the switch within the top of the solenoid) 12.5 ohms, drawing about 1 amp. For the technically-minded, this means that the Pull-in coil has a resistance of about 0.85 ohms, and takes about 14-16 amps. The current drawn will depend upon the state of charge of the battery, which is usually between 12-13.4 volts. BTW, I've posted this info more than once before on the Forum. Ian Cornish
  2. ianc

    Track rod ends

    When I had my steering rack refurbished in 2005, I purchased and fitted a pair of Revington's greasable track rod ends (GSJ156GR) at the same time. Still there, and the boots have not disintegrated, although I see that Neil offers boots, in rubber or polyurethane, separately. As far as I am concerned, this is a safety critical item, so what matter that this better quality item is more than twice the cost of the "ordinary" item ? Ian Cornish
  3. 1/16" x 25.4 = 1.5875 mm Ian Cornish
  4. That makes life simpler - I kept forgetting the Technical General and had to hop back, which was somewhat annoying. Thanks for taking note of feedback and taking appropriate action. Ian Cornish
  5. ianc

    Engine mounts

    Many years ago, I devised an engine restraint which is suitable for TR4/4A. It was described in TR Action 130 and can be found on pages G15-G19 of the Technicalities CD. Compared with Geko's, mine is somewhat crude, but it is dirt cheap and does not impose loading into the bodywork - the push/pull is fed into the mounting of the cross tube. Because the sidescreen cars are narrower, my device is unsuitable for these cars because the angle would be wrong. Ian Cornish
  6. At the NEC a few years ago, I recall the owner of a TR3 showing me a brand new reservoir which he had just purchased at the autojumble. When I removed the cap, I saw that there was no inner can - in other words, both clutch and brake shared the same reservoir. If a leak were to develop in the clutch hydraulics so as to drain the fluid, the brakes would also have run out of fluid. Very nasty! The reservoir went straight back for a refund, but one wonders how many of this "reservoir" might have been sold to unsuspecting owners. Ian Cornish
  7. Andy - the toe-in figure is for the pair of wheels, whether 1/16" or 20 minutes of arc (modern laser kit). I cannot imagine any way in which it would be possible to measure other than between the two wheels. I'm glad I have a crude old TR4 - setting up an IRS car appears to be a nightmare! Ian Cornish
  8. Triumph Dolomites (some, at least) have a wider mirror, and some of these will dip. Worth keeping eyes open at autojumbles, which is where I found one. Ian Cornish
  9. If the overdrive used to engage almost immediately, but no longer does, it might be that the solenoid is faulty (pull-in coil open-circuit) and is attempting to operate using solely the hold-in coil - this takes a long time! Ian Cornish
  10. Nor me - no vertical cut-off on dipped beam, so likely to dazzle oncoming motorists (and probably illegal). Bob's set-up is as it ought to be. Ian Cornish
  11. ianc

    Wiring

    Have a look at my article in Section J4 of the Technicalities CD, and the article which James Christie and I published in TR Action 248 (March 2011). If you don't have access to these articles, send me a PM giving me your personal email, and I'll send you MS Word versions. Ian Cornish
  12. I don't recall my 1955 TR2, owned from 1963 for 6 years, having any centre support, and making sure that the exhaust didn't hit the box in the centre of the chassis was a fiddle. The TR4 bracket, as Bob says, works very well. Ian Cornish
  13. For many years, Frank Callaby was S-T's in-house photographer, taking stills of everything inside the factory using a plate machine - hence the excellent definition. Frank was responsible, too, for the films of rallies - a difficult job with the heavy and bulky equipment available then. Graham (Hon Pres) told me that Frank didn't have sound recording equipment, so, for the rally films, sound was added later by recording a TR being driven in the UK - Graham drove while Frank recorded! Ian Cornish
  14. I'm delighted to see that Peter Cobbold is contributing once again - I am one of a great many who has missed his excellent and erudite contributions. Ian Cornish
  15. Revington's description for the coil over shocker system states: RTR 3003SPK. A limited amount of welding is required to the chassis to add mild steel strengthening gussets and top support plates to the spring turret. The lower bracket (consisting of a top and bottom part made from mild steel zinc plated) is secured to the trailing arm with nuts and screws. I don't know whether this answers Stuart's point about extra strain on the spring bridge? Ian Cornish
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