Discussion
Looking to build an M series car for the HSCC 70s Road Sports series (www.hscc.org.uk). Currently have (most of) a 3000M which has a heavy old lump in it - which doesn't help with the braking (the technical regs require standard brakes). And the V6 costs more to prepare than a four. Any advice on the following stuff welcome, thanks!
The 1600M was fitted with a Ford Crossflow, right?
What carb arrangement did the 1600M have as standard? (Please say twin 40s!)
Did the 3000M and 1600M have the same brakes?
Is it right that the later model 3000M had a Jag diff? Inside the TR6 casing? Was an LSD ever fitted as standard?
Any of you good people ever had a cage fitted into one of these? Anyone have a pattern or design?
Does anyone know a source for a Perspex (4mm Plexiglass) rear window?
Are we all planning to go to the Historic Autosport International show at Stoneleigh next month?
Cheers chaps
The 1600M was fitted with a Ford Crossflow, right?
What carb arrangement did the 1600M have as standard? (Please say twin 40s!)
Did the 3000M and 1600M have the same brakes?
Is it right that the later model 3000M had a Jag diff? Inside the TR6 casing? Was an LSD ever fitted as standard?
Any of you good people ever had a cage fitted into one of these? Anyone have a pattern or design?
Does anyone know a source for a Perspex (4mm Plexiglass) rear window?
Are we all planning to go to the Historic Autosport International show at Stoneleigh next month?
Cheers chaps
The 1600M was fitted with a Ford Crossflow, right?
Yes.
What carb arrangement did the 1600M have as standard? (Please say twin 40s!)
The engine was standard Ford GT spec which had IIRC a 28/36 DCD twin choke weber
Did the 3000M and 1600M have the same brakes?
Yes.
Is it right that the later model 3000M had a Jag diff?
Yes, a Salisbury unit that was also fitted to Jags, although I think they used the inboard brake version
Inside the TR6 casing? No.
Was an LSD ever fitted as standard? Don't think so, but possibly on some of the Turbo cars. Does someone else know for sure?
LSD was an option on some Turbo Cars, but the big thing about a 1600M is weight, you do not want to be sticking a great heavy diff back there!
In the hands of Chris Meek it was a class winner back in the 70s/80s, but I've viewed one of those cars (with a view to buying it) and despite the fibre glass being really thin and having a trick engine (runoured 140bhp) it still felt very slow compared with my modified Taimar!
Hope that helps
davidy
In the hands of Chris Meek it was a class winner back in the 70s/80s, but I've viewed one of those cars (with a view to buying it) and despite the fibre glass being really thin and having a trick engine (runoured 140bhp) it still felt very slow compared with my modified Taimar!
Hope that helps
davidy
Useful stuff folks, thanks. I really should ring the HSCC 70s RoadSports co-ordinator and ask more about the regulations - as written they look pretty open but it all comes down to interpretation.
Going the 1600 route is probably not the right thing as the series allows Caterhams in which are not only 300Kg lighter but are also allowed to use twin 40s on a crossflow, so power to weight is much better.
Whereas a V6 with a 'free' choice of cams, rockers, pistons, etc. should make about 180BHP using the standard 38 DGAS carb??? The concern I have then is whether the TR6 axle is going to hold together. Having read back through this BBS, opinions seem to vary on this! Oh, and how you make the car slow down a bit for the corners
Anyone have a contact for someone who has actually built and/or run a 3000M in this series? The HSCC claims it's a 'friendly' championship so I'm sure everyone will be keen to give me setup sheets... ROFL
Going the 1600 route is probably not the right thing as the series allows Caterhams in which are not only 300Kg lighter but are also allowed to use twin 40s on a crossflow, so power to weight is much better.
Whereas a V6 with a 'free' choice of cams, rockers, pistons, etc. should make about 180BHP using the standard 38 DGAS carb??? The concern I have then is whether the TR6 axle is going to hold together. Having read back through this BBS, opinions seem to vary on this! Oh, and how you make the car slow down a bit for the corners
Anyone have a contact for someone who has actually built and/or run a 3000M in this series? The HSCC claims it's a 'friendly' championship so I'm sure everyone will be keen to give me setup sheets... ROFL
Nige - thanks for the contact, very useful, cheers.
Davidy - thanks, this confirms some important things. The engine has to be rebuilt anyway, so may as well be built to the correct spec. I will take a trip to Exactly, as soon as the chassis is up together, and seek wisdom. Craner Curves at 100mph in a 30 year old car sounds excellent! I have a fair bit of racing experience having done 3 seasons in the MG Car Club MGF series - winning the Trophy (160 BHP) class in 2003 and driving a Cup car (200 BHP) last year. Sadly, ruinously expensive to compete though...
Any chance of a look at your car? Where are your first couple of events in 2005?
You going to the Historic Motorsport show at Stoneleigh later this month?
Davidy - thanks, this confirms some important things. The engine has to be rebuilt anyway, so may as well be built to the correct spec. I will take a trip to Exactly, as soon as the chassis is up together, and seek wisdom. Craner Curves at 100mph in a 30 year old car sounds excellent! I have a fair bit of racing experience having done 3 seasons in the MG Car Club MGF series - winning the Trophy (160 BHP) class in 2003 and driving a Cup car (200 BHP) last year. Sadly, ruinously expensive to compete though...
Any chance of a look at your car? Where are your first couple of events in 2005?
You going to the Historic Motorsport show at Stoneleigh later this month?
Yellow fever
Unfortunately I sold the car a couple of years ago, a required engine rebuild (too much speed down the back straight at Goodwood!!), plus a young family and new house, meant that the TVR was way down the priority list! Steve Reid sold it on, but along the way its spec was changed, and then I heard through a third party that it had been written off, I don't know if this is true or not. Adrian Venn knew the car quite well and he was responsible for setting it up in the last couple of years that I owned it. The basic spec was as follows - if it helps (much of it not applicable in HSCC!!!):-
TVR Taimar with SE vent cut into bonnet
Standard 2994cc, but with 10.1:1 Powermax Pistons, Big Valve Heads, Kent V63 Cam, Fully Balanced, Weber40DFI carb with custom one-off K&N air filter
Tony Law big bore exhaust system with bunch of bananas manifolds
Exactly TVR custom radiator, no oil cooler but remote filter, never ran hot!!!
Standard 4 speed gearbox, Salisbury Powrlok diff
Exactly TVR secret squirrel springs + adjustable Ledas, fully cornerweighted
Brakes - Rear Standard, Front Brembo discs of 93 Nissan Touring Car - vented, grooved and drilled!! with AP Motorsport Calipers off Ford RS200. The brakes were incredible.
Wheels/Tyres - 15" 5 Spoke Revolutions, 15x7 front with 205/55 and 15x9 rear with 225/50 (no rear arch mods!!)
Bit of extra rubber to help me around the Cramer Curves!!
Never got a full bhp reading out of the engine, but between 30 and 90mph it would out accelerate my modded Prodrive Impreza Turbo! just couldn't handle the corners quite as well, so I reckon it was pushing 200bhp, the exhaust gave a major difference in mid range punch and so it should as it cost £1000!!!!
Hope that helps
davidy
Unfortunately I sold the car a couple of years ago, a required engine rebuild (too much speed down the back straight at Goodwood!!), plus a young family and new house, meant that the TVR was way down the priority list! Steve Reid sold it on, but along the way its spec was changed, and then I heard through a third party that it had been written off, I don't know if this is true or not. Adrian Venn knew the car quite well and he was responsible for setting it up in the last couple of years that I owned it. The basic spec was as follows - if it helps (much of it not applicable in HSCC!!!):-
TVR Taimar with SE vent cut into bonnet
Standard 2994cc, but with 10.1:1 Powermax Pistons, Big Valve Heads, Kent V63 Cam, Fully Balanced, Weber40DFI carb with custom one-off K&N air filter
Tony Law big bore exhaust system with bunch of bananas manifolds
Exactly TVR custom radiator, no oil cooler but remote filter, never ran hot!!!
Standard 4 speed gearbox, Salisbury Powrlok diff
Exactly TVR secret squirrel springs + adjustable Ledas, fully cornerweighted
Brakes - Rear Standard, Front Brembo discs of 93 Nissan Touring Car - vented, grooved and drilled!! with AP Motorsport Calipers off Ford RS200. The brakes were incredible.
Wheels/Tyres - 15" 5 Spoke Revolutions, 15x7 front with 205/55 and 15x9 rear with 225/50 (no rear arch mods!!)
Bit of extra rubber to help me around the Cramer Curves!!
Never got a full bhp reading out of the engine, but between 30 and 90mph it would out accelerate my modded Prodrive Impreza Turbo! just couldn't handle the corners quite as well, so I reckon it was pushing 200bhp, the exhaust gave a major difference in mid range punch and so it should as it cost £1000!!!!
Hope that helps
davidy
Richard
I used to drive in the BRSCC podsports championship in the late 70's. I won the northern championship in 77(Mg Midget Mk3) having spent most of the year following Chris Alford in his 1600M. I was so impressed by his car through the twiddly bits of places like Cadwell that I went out and bought a 1600M. His car was much quicker through the bends than Blower and Co. in 3000M's. Chris still has a business selling classic racing machinery and I am sure he would let you know what the car was like. My present 1600M (72) is fitted with the GT6 dif which sometimes lasts a whole summer before falling apart!
(engine on twin 40's 146BHP) If you think I can help further let me know.
David
I used to drive in the BRSCC podsports championship in the late 70's. I won the northern championship in 77(Mg Midget Mk3) having spent most of the year following Chris Alford in his 1600M. I was so impressed by his car through the twiddly bits of places like Cadwell that I went out and bought a 1600M. His car was much quicker through the bends than Blower and Co. in 3000M's. Chris still has a business selling classic racing machinery and I am sure he would let you know what the car was like. My present 1600M (72) is fitted with the GT6 dif which sometimes lasts a whole summer before falling apart!
(engine on twin 40's 146BHP) If you think I can help further let me know.
David
Gentlemen! Many thanks for the info, contacts and so on. All useful stuff that will go into the 'cheaper than finding it out the hard way' file
Have to use standard carb setup for this series, so would not expect to get more than about 120 BHP or so out of a 1600M. I think I've more or less decided to go the V6 route and explain it all to my Bank Manager later!
Apologies for my 2-week absence... it's just that my youngest son, in a fit of helpfulness and wanting to 'get rid of of all the pop ups' on my PC, formatted the hard drive.
And installed a new version of Windows which had been sat on the shelf waiting for me to do an upgrade (after a backup obviously!). Four years since last backup, so that's four years of documents, photos, etc. all gone! Oh Lordy! 
Have explained to him that the time to leave home is now, whilst he still knows everything 
Never mind, DKD's mention of Cadwell has the petrol flowing through my veins again and has cheered me up. Must get on with putting the damn car together!
Have to use standard carb setup for this series, so would not expect to get more than about 120 BHP or so out of a 1600M. I think I've more or less decided to go the V6 route and explain it all to my Bank Manager later!
Apologies for my 2-week absence... it's just that my youngest son, in a fit of helpfulness and wanting to 'get rid of of all the pop ups' on my PC, formatted the hard drive.
And installed a new version of Windows which had been sat on the shelf waiting for me to do an upgrade (after a backup obviously!). Four years since last backup, so that's four years of documents, photos, etc. all gone! Oh Lordy! Have explained to him that the time to leave home is now, whilst he still knows everything Never mind, DKD's mention of Cadwell has the petrol flowing through my veins again and has cheered me up. Must get on with putting the damn car together!
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