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20th May 2017, 16:35 | #11 |
Avid contributor
Rover 75 Saloon Join Date: Feb 2012
Location: Rotherham
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MGB's also use a Laycock overdrive - I still have one for a V8 in my garage!
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20th May 2017, 16:45 | #12 |
Loves to post
MG ZT+ 190, Land Rover Series IIA, KIA Pro C'eed VR7 Join Date: Apr 2017
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Got a Fairey overdrive on the Landy, , takes the top speed to a blistering 55-60 MPH - only tend to use it in top as moving two gear levers takes time meaning any momentum is lost
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[SIGPIC][/SIGPIC] GREYSCALE Born Monday, 14th July 2003 @ 12:51:51 9,940th ZT to run off the production line, out of 18,894 2,948th ZT 190 + to be made out of 4,023 1,042nd ZT in XPower Grey (code: LEF) to be made out of 3,143 XPower Grey ZTs Done: Cam belt and aux belts. Water pump, pulleys and tensioners, Hunter wheel alignment, New thermostat and housing, Plenum guard mod, refix undertray, Bonnet cable mod, upgraded Balance VIS motor, One empty bank account, one nervous breakdown.
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20th May 2017, 16:49 | #13 |
This is my second home
Rover 75 Saloon CDTi Join Date: Oct 2015
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Had overdrive on my Triumph GT6 mk3, it was great fun as you did not have to lift off the accelerator to engage it, so as you hit the red line in 3rd engage the overdrive and it was like an instant gear change into top.
I suspose these could be looked at as an early version of 5 speed boxes...... |
20th May 2017, 18:02 | #14 |
Gets stuck in
MG ZT-T Join Date: Aug 2015
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The factory used to be on Archer Rd in Sheffield, it's now a Sainsbury
The social club is still fully functional tho! If what I've read in the past is to be believed, Laycock downsized hugely after all manufacturers started using 5 speed transmissions, the bulk of their Manufacturing business went. They relocated to Rother Valley nr Rotherham and now trade under the LUK name |
20th May 2017, 18:20 | #15 |
This is my second home
Roverless + 1.7D Sportage Join Date: Aug 2014
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I fitted a VX490 overdrive gearbox to my Bedford CF Ambulance (caravanette conversion). It helped greatly with economy and noise when cruising.
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20th May 2017, 18:32 | #16 |
I really should get out more.......
Rover 75 saloon Join Date: Feb 2014
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My '62 110 has overdrive on fourth & l also have an adapted overdrive unit to fit to my P5B to assist the three speed Borg Warner 35.
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Reducing the size of my Rover fleet by adding a 75 to it. |
20th May 2017, 18:41 | #17 |
Posted a thing or two
Rover 75 2.0 cdi Join Date: Mar 2011
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Had one on my Scimitar , did a good job on a long journey but a pain when the oil seal went on the propshaft end , as has been said , once 5 speed gearboxes became more popular that was the beginning of the end of the units , very clever engineering though https://www.youtube.com/watch?v=Xl9J...4ZPUl_2rk_eGeB
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20th May 2017, 22:35 | #18 |
Regular poster
Rover 75 V8 Saloon #755 now sold Join Date: Jan 2016
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Many Rovers had the LDN Overdrive on 4th gear - optional on the P4 90 1955 to 1959, standard on the 105/105R/105S and later 80, 100 and 110, and all the P5 3 Litre manuals. Rover had a complex system of throttle switches that did not allow the OD to engage on full throttle, or disengage on the overrun, so that changes in and out of OD were smooth. Makes a real difference to highway cruising.
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21st May 2017, 06:58 | #19 |
This is my second home
Rover 75 CDT Manual Connoisseur SE, Rover 75 CDT Automatic Connoisseur SE & a Freelander Td4. Join Date: Jul 2009
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Had a few cars with overdrive back in the day. Made for very relaxed cruising and certainly easier to get used to compared with a twin speed rear axle.
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21st May 2017, 20:09 | #20 |
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Rover 75 Join Date: May 2017
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Remember those.
Epicyclic gear with a brake band as I recall ? |
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