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Old 28 Feb 2014, 19:41 (Ref:3373328)   #16
Lapin127
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My Rallycross MGB GTV8

The first MGB GT V8 I built was in 1976, based on a 1966 BGT, which had minor front end damage. It was fitted with a Rover 3.5 V8 engine, supplied by Ian Harwood of Ellesmere Port; gearbox was a Jag E Type, with adapter plate, again supplied by Ian Harwood. Rear axle was from a Mk2 3.8 Jag – the worst part of the car, as it was far too wide and needed 4” wheelarches to cover it. Even with the arches, there was still insufficient suspension travel, so handling on bumpy circuits was hopeless!
The axle was located by upper radius arms and ‘slipper’ leaf springs, as used by the Works Escort for a short time, with Spax dampers in turrets. Front suspension was the standard wishbones, with the upper lever arm dampers (!), assisted by additional Spax dampers, steering by the standard rack. The engine was modified by Tony and Bruce of Wessex to solid cam followers (alloy inserts pressed into the cam follower housings and machined to use Ford Crossflow cam followers – Ford Consul/Zephyr/Zodiac adjustable rockers replaced the standard Rover rockers). The cam was a Rally spec, supplied by Will Sparrow, who had some connections with Rover, possibly through Rob Lyall, who was involved in Rover development. I used the standard SU carbs. Wheels were 5.5 x 13 Minilites front and 6 x 13 rear.

During the first few events, apart from the dreadful handling, it was clear that overheating was going to be a problem – any hold up on the start line or slow moving in heavy going caused the temperature gauge to go off the clock (anyone remember the infamous Rallycross at Mallory, where the organisers were under the impression that Rallycross consisted of mudlpugging and the event was abandoned shortly after the start?) Road cars at that time did not have the powerful ducted electric fans that we take as the norm today, and the aftermarket accessory fans were little more than modified heater fans, so without a belt driven fan running at crankshaft speed, little air could be pulled through the rad – there was insufficient space to fit this sort of cooling anyway.

I can’t remember any successes during that year – it was very good off a dry start line, but as soon as a slippery bend arrived, everyone overtook me and a wet day just produced a lot of wheelspin – traction was hopeless! I did one event at Valkenswaard, finished around 50th from 52 starters! (Charlie Irving from Burscough took the car over to Holland for me – a great character and a very helpful man, who arranged my first trips over there in 1973 with my 1760 Escort).

At the end of the year, the car was stripped of all the running gear, moulds were made of the rear wings, arches and tailgate and the shell was sold to Richard Stok from Coventry, who rebuilt it with independent Jag rear suspension – not sure how this was allowed, as the regs stated that cars should have the same style of original suspension, mounted on the original mounts.

End of part one – in part 2, I will give details of the lightweight black car, which was a lot better! I have some old photo slides, which I will convert and display.
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Old 2 Mar 2014, 15:21 (Ref:3374050)   #17
BertMk2
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BertMk2 has a real shot at the podium!BertMk2 has a real shot at the podium!BertMk2 has a real shot at the podium!BertMk2 has a real shot at the podium!BertMk2 has a real shot at the podium!
Excellent stuff Sorry about the delay in it appearing - the post got dragged into the moderator approval queue and I've only just cleared it. Photos of the car would be great.
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Old 3 Mar 2014, 12:57 (Ref:3374394)   #18
Hampton Caught
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Hi Pete,

Thanks for the first post, very interesting stuff.

Was this the car you used at Brands Hatch in its original rallycross format, whereby the cars entered Paddock Hill bend and immediately turned back on themselves to join the Cooper Straight (thus cutting off the whole of Druids), before cutting across the grass again to rejoin the start/finish straight at the end of Clark Curve?

I can remember being there for my first ever rallycross event and watching the MGB GT V8 hurtling at epic speeds towards Paddock Hill, but often being unhappy at turning right on to the rough stuff! I recall there being some Vauxhall Firenzas having the same handling 'issues'.

Such a shame that Brands Hatch seems to have turned its back on rallycross. The Grand Prix events in December through the 80's were not to be missed!

Any photos and anecdotes you can share will be warmly received.

Cheers, Steve
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Old 3 Mar 2014, 18:04 (Ref:3374490)   #19
Lapin127
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I never used the MGB at Brands Hatch, but I did do the first Brands Hatch event in 1975 (?) in my 1511 Wessex Mini. The track was not what you saw - we did a right just after the Pits, across the grass and back onto the Cooper Straight, then off again at Surtees, back onto the Start/Finish straight, not very interesting, but that day was freezing cold and very wet, so was very slippery. In practice, I totally lost it at the first bend and somehow went sideways all the way down the muddy grass bit to hit the tarmac exactly right, foot down and 3rd fastest! I think that Bruce Bamber did very well in a Wessex Mini, sponsored by Bose, who had a very comfortable double deck hospitality bus - very nice and warm, but they didn't seem to want to give access to muddy drivers, or the very pregnant wife of the Wessex Racing accountant, in the bus!
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Old 7 Jun 2014, 11:12 (Ref:3416530)   #20
Hampton Caught
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Hi Lapin,

Thanks for your message. It looks like we've described the very same track layout but in different ways.

Yes, it was very wet and greasy for everyone, competitors such as yourself and spectators like me. I was usually to be found at the top of the old wooden grandstand on the outside of Paddock Hill which gave superb views cross the whole track.

I was too young at that point to have a camera, so no pictures from back then, sad to say.

Cheers, Steve
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Old 28 Dec 2015, 22:23 (Ref:3600631)   #21
richardracer
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Hello there,

This is Richard Stok. As mentioned above, I bought the MgbGT shell off Pete Robertson and built it up as a V8 rally cross car for 1978 season with a Jag e type IRS with low ratio diff at rear and Triumph Vitesse front suspension. We made fiberglass doors and tailgate from Pete's moulds and use fiberglass front wings and bonnet. The flared rear arches looked like a Quattro and were in Stella courtesy of Pete's original. Strong and easy to repair. Engine evolved from ex scrapper on SU carbs to efi before TR8 and Vitesse. Solid lifters and crane cam, as described above. We quickly broke a Rover 3500s box and replaced it with a 4 speed Jag box, before SD1 boxes became available.

I have a photo record of the build (pre digital era) and a magazine article from the period. Loved that car, great traction off the line, but too heavy and not enough power. Oversteer on tap with back end roll centre too high.

If you are still interested, email me at richard@stok.co.uk.

Cheers

Richard Stok ( aka ricahrdracer)
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Old 28 Dec 2015, 22:28 (Ref:3600632)   #22
richardracer
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Originally Posted by richardracer View Post
Hello there,

This is Richard Stok. As mentioned above, I bought the MgbGT shell off Pete Robertson and built it up as a V8 rally cross car for 1978 season with a Jag e type IRS with low ratio diff at rear and Triumph Vitesse front suspension. We made fiberglass doors and tailgate from Pete's moulds and use fiberglass front wings and bonnet. The flared rear arches looked like a Quattro and were in Stella courtesy of Pete's original. Strong and easy to repair. Engine evolved from ex scrapper on SU carbs to efi before TR8 and Vitesse. Solid lifters and crane cam, as described above. We quickly broke a Rover 3500s box and replaced it with a 4 speed Jag box, before SD1 boxes became available.

I have a photo record of the build (pre digital era) and a magazine article from the period. Loved that car, great traction off the line, but too heavy and not enough power. Oversteer on tap with back end roll centre too high.

If you are still interested, email me at richard@stok.co.uk.

Cheers

Richard Stok ( aka ricahrdracer)
Ps I raced at Brands Hatch in 79 and 80. Car was bright red and sponsored by Pop Rivets. Lots of white dots on the car ( all cut out farm Sticky back Fablon"
,)
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Old 17 Jan 2016, 13:58 (Ref:3605653)   #23
richardracer
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Richard Stok's rallycross MGBGTV8

Hi Folks,

A minor correction - shell was purchased from Pete Lewis.

Photo record now digitised, here are a couple of shots of the car in action (when I can work out how to attach an image.....)

Richard
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Old 20 Jan 2017, 10:31 (Ref:3703774)   #24
simonmgc
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My MGC

I have found this thread via google and makes for interesting reading. I have just bought an MGC Roadster that was circuit raced in the 70's with a Jag rear axle and some super wide wheel arches. It now is in fully rally spec and has major history of completing the Inca Trail around South America in 2001 when owned by Mike Knox.
I will try and add a photo.
Simon.
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MGC Race car.jpg   DSCF0312.jpg  
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Old 3 Feb 2017, 15:12 (Ref:3709068)   #25
richardracer
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Pictures of Richard Stok rallycross MGBGT V8

A bit late, but better than nothing. Thanks to trackside photographers of teh day for the action shots. All copyrights acknowledged.

Richard
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File Type: pdf mgbgtv8-16.pdf (852.9 KB, 9 views)
File Type: pdf mgbgtv8-15.pdf (853.8 KB, 8 views)
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