RE: Shed Of The Week: MG TF
Discussion
MGJohn said:
Irrespective of front or rear wheel drive, both the Type A and B Torsen Differentials should fit any PG1 Gearbox. That gearbox was fitted to a vast number of cars across the Rover and MG model range. As far as I am aware, the PG1 gearbox was fitted to all the MGF/TFs I have seen. They all have 1.8 engines. I do not know if the 1.6 MGF/TFs have the same box as the 1.8s. On the front wheel drive cars, 1.8s have the PG1 gearbox but 1.6 and 1.4 cars do not. Getrag ( Ford ? ) Gearbox used on the 1.6 Rover 45 I had some years ago.
The Type A Torsen Differential is weaker than the Type B. Type As are prone to sheer off its bearing journal when uprating the T-Series Turbocharged cars.
The PG1 was fitted to all manual 1.8 and 2.0 MG and Rover cars since the Maestro and Montego and to the 1.6 MGF but excluding the BMW Rover 75 and the BMW MGZT.The Type A Torsen Differential is weaker than the Type B. Type As are prone to sheer off its bearing journal when uprating the T-Series Turbocharged cars.
The torsen A is a better diff but more frigile.
There is a quaffe and a gripper to fit the PG1.
angelicupstarts said:
bencollins said:
Nice car, about 8mpg better than Z3 or MX5 which has got to be important to folks who spend £1k on a car. Mainly due to the lack of differential, better engine and better aerodynamics esp drag and rear lift. Always liked stronger metallic colours on these, bright green/blue/red look fantastic. IMO the best styled accessible sportscar of the last 30 years. Like others have said, the HGF is hardly the end of the world and occurs on many types of car. One of the few convertibles that looks equally coherent with roof up or down. The coupe would have been nice, it always gets posted in these threads, so time to duly oblige the two people on PH who havent seen it..........
plus a nice random one from the inet:
wow ...i love the coupe !plus a nice random one from the inet:
never seen it before ......oh why didn't they make it ....
would be a dream in brg
MGJohn said:
Contrary to popular belief, the CHGs rarely actually fail. Invariably they are first damaged by over heating and so damaged, they "fail".
Whilst that is true to a degree you have to ask why, on an engine with a low coolant capacity, they never fitted a coolant level sensor. Lots of others do and once it became a known issue it would have saved them a lot in warranty repairs and damaged to their reputation.On top of that, like most cars, the later Rover/MG's have heavily "damped" temperature gauges. This is particularly true on the ZT/75 where the gauge will not move until the coolant is at about 125 degrees. I guarentee that not even you would notice if your ZT suffers coolant loss whilst poodling along the motorway that anything was amiss until the engine was already cooked.
confused_buyer said:
MGJohn said:
Contrary to popular belief, the CHGs rarely actually fail. Invariably they are first damaged by over heating and so damaged, they "fail".
Whilst that is true to a degree you have to ask why, on an engine with a low coolant capacity, they never fitted a coolant level sensor. Lots of others do and once it became a known issue it would have saved them a lot in warranty repairs and damaged to their reputation.On top of that, like most cars, the later Rover/MG's have heavily "damped" temperature gauges. This is particularly true on the ZT/75 where the gauge will not move until the coolant is at about 125 degrees. I guarentee that not even you would notice if your ZT suffers coolant loss whilst poodling along the motorway that anything was amiss until the engine was already cooked.
Thirty years ago, my MG Montego 2.0EFi had a low coolant sensor and in addition, a nice lady to tell you if ever the coolant ran low in case you had not noticed ...
Useful driver aids well in advance of their time although, predictably, many auto-journos pooh-pooh the concept at the time. As ever, what do they know compared to folks who actually use their cars as a daily driver grind to-from ... The O-Series in my cars never ran low. The O Series engine was made of sterner stuff but rubber hoses can split or perish and water pumps wear out too. That's when the danger of coolant loss is real.Later MG and Rovers ( not the 75s and ZTs ) have a better and more reliable temperature gauge to alert the car user should there be any signs of over heating. Many do indeed have a low coolant level sensor too and many owners fit the factory kit to their cars which left the production lines without that. It's an easy and worthwhile upgrade.
Spot on observation about the impressive looking temperature gauge in the 75/ZT. It is only triggered when things are already well over the ideal coolant temperature ... very sudden. A true idiot gauge. Looks good though ...Not ideal for even the most observant car user.
Although the AirCon and climate control ran well during the warmer months on my MG ZT 1.8t, during the recent cooler weather conditions the car takes ages to warm up. I suspect the PRT [Pressure Release Remote Thermostat ] is now well past it's sell by date and no longer up to the job. The coolant temperature in my other ZT reaches normal in quick time but, that car has the older design thermostat and location, not the PRT . I've bought a new PRT and will fit it when the opportunity comes. I am loath to do so as it's a fiddly and messy job even in a well equipped workshop. Plus, the car is running so well and bleeding the system afterwards has to be done correctly otherwise problems can occur.... and do!
All part of life's rich wossname ...
bencollins said:
The coupe would have been nice,
I did some work for a well known competition & classic car dealer, who had bought a job lot of cars, in various states of finish, from the MG production line, these included several SVs, load of LHD ZRs, a couple of landspeed record cars, and an bonkers TF coupe with (irrc) with an RS500 lump and sequential gearbox. Although looking at the picture of it looks like it was a hardtop.
i bet the Xpower was terrifying.
I remember a 1st date with a girl who had one of these, and she let me drive on way to the scenic picnic spot. It was nearly facing the wrong way before i managed to collect it on a wet roundabout, so I acted dead-pan like I did that sort of thing everyday, despite it being a genuinely unexpected brown pants moment. Then we had some kids pull up to us at the picnic spot and ask us "if we'd come to see the dogging". Needless to say there was no second date.
I remember a 1st date with a girl who had one of these, and she let me drive on way to the scenic picnic spot. It was nearly facing the wrong way before i managed to collect it on a wet roundabout, so I acted dead-pan like I did that sort of thing everyday, despite it being a genuinely unexpected brown pants moment. Then we had some kids pull up to us at the picnic spot and ask us "if we'd come to see the dogging". Needless to say there was no second date.
Edited by boma on Tuesday 9th December 05:38
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