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5097
Wed Jun 30, 2004 9:12 am
Sandbach
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179
Sat Jul 22, 2006 12:24 am
HARLOW,ESSEX
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2120
Sun Dec 02, 2007 6:19 pm
Jersey C.I.
EATMYPLASTICARSE wrote:and i never know if the door will open, plus other niggles
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5097
Wed Jun 30, 2004 9:12 am
Sandbach
EATMYPLASTICARSE wrote:Sorry to hear of all the trouble u guys are having in the search of horse power, especially if it robs you of actually driving these great cars.
My old hack GTA atmo cost me £2,000 3 yrs ago and has only broken down once, and with the help of some great guys on this sight was back on the road for around £75.
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Sun Sep 28, 2008 4:25 pm
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1736
Sun Apr 18, 2004 10:00 am
Epsom Surrey/ Venezia Italy
MFaulks wrote:Tony Smith wrote:After nearly 18 years with my GTA my love affair with Renault Alpine is over. :
Instead of a NSX, for something different have you looked at the 6R4 if you can find one - the engine is pure delight 90 deg 3ltr V6 odd fire n/a 300hp std in clubman form, 400+ in Int. .......................
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1552
Sun Sep 28, 2008 4:25 pm
Club Member
1736
Sun Apr 18, 2004 10:00 am
Epsom Surrey/ Venezia Italy
MFaulks wrote:ha-ha++ yeah, self raising...
the engine is the only unit designed specifically for the rally application, and is no compromise. It makes the poor old PRV look like it came out of the ark, and just fit for purpose as a ships anchor... sure the car is a tin box. Given the choice and suitable pile of dosh, having Fiat blood I would go Stratos and tune for maximum smoke!
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Fri Apr 16, 2004 4:50 pm
Kent
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Fri May 28, 2004 11:58 am
Derbyshire
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7463
Wed Apr 14, 2004 7:25 pm
London
Having rejected the Honda V6 (Austin Rover then shared a great deal of engineering development with the Japanese manufacturer), the only other obvious solution would be their own tried & tested 3.5 litre Rover (formerly Buick) V8 engine. Being that bit too bulky to fit in the back of the Metro, the decision was taken to cut out two cylinders and (literally!) weld it back together - hey presto, a 2.5 litre Rover V6! Fitted with a purpose made crank, Rover Vitesse racing internals and Weber carburettors it produced a healthy 250bhp - ideal to test the car until the final engine was ready.
The original prototype turned a wheel at a private airfield in Oxfordshire for the first time in February 1983 - driven by Tony Pond in plain red livery. For the next 12 months the team concentrated on private testing at a variety of venues including Austin Rover's test track at Gaydon, as well as Cadwell Park circuit & the MIRA wind tunnel.
In early 1984 at London Heathrow, the assembled motorsport 'paparazzi' witnessed Tony Pond drive through a film screen as the team announced their future rally plans to the public - the MG Metro 6R4 (6 cylinder Rally 4 wheel drive) was born! With a bold marketing step, Austin Rover Motorsport decided to show the cars in the 'classic' red & white livery reminiscent of the team's very successful 1960s Mini Coopers and 'Big' Healeys. A really positive marketing stroke!
Promising that the team would enter national rallies to test the car in the heat of competition, the team reappeared 6 weeks later on the 1984 York National Rally. Despite taking fastest stage times on 8 stages - to lead by almost three minutes! - success was short-lived as the car retired with a previously unseen alternator fire. Even with the low-powered 'hack' engine the writing was on the wall - Austin Rover Motorsport had a rally car which could potentially challenge the might of Europe, and also rekindle the success of its forefathers.
Throughout 1984 the car appeared on a host of other national rallies as the team attempted to develop the car towards its eventual homologation specification. All the developments (including wider track, longer wheelbase & enhanced aerodynamics) improved the handling & stability to such a degree that the Metro 6R4 won its first rally, the 1985 Skip Brown Cars Gwynedd Rally in February.
All that the team were waiting for now was to get their hands on the new engine to replace the V8 based 'hack'. The 3 litre Austin Rover V64V, designed by ex-Cosworth employee David Wood was a 90 degree V6 with 4 valves per cylinder (hence V64V), with belt-driven twin-overhead camshafts per bank producing either 250bhp in 'Clubman' form or 380/410bhp in 'International' tune. It was (and possibly still is?) the first ever engine designed specifically for rallying - most other manufacturers continue to rely on a modified production block and cylinder head.
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