Supercharged V6 way back in 1988

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OldNoccer	Supercharged V6 way back in 1988		Lead	[-]
Registered Member Posts: 855 Thu, 19-Nov-2009 01:12	Tags : None Reading Marcos Owners Mag no 57 from 1988 I was surprised to read about a supercharged V6 Marcos reg no Q 412 LKH - which was being used in Drag racing and hill climbs. The supercharged engine was producing 320bhp in hillclimb spec, and 500bhp with nitrous on the drag strip - which for a 3 litre V6 sounds completely amazing. There are photos and quite a description in the mag, but for all I know you guys might already know all about it and where it went (my suspicion is the engine grenaded and took the car with it !). However it had clocked a 12.36 and 125mph quarter mile in what looks like road legal trim - which is not bad. Anyone know of this car? - it was based in Goole, Yorkshire. Owner was John Yardley. Steve There's a lot of talk these days about green transport. Well, I am ahead of the game, I already have green transport ... British racing green.
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OldNoccer		#1	[url]	[-]
Registered Member Posts: 860 Fri, 20-Nov-2009 01:14	No response ! Oh well - here are a couple of pics so you can see that all the supercharging went under the bonnet without even a bulge - though the same can't be said for the huge rear tyres - there is a lot more info if anyone is interested. There's a lot of talk these days about green transport. Well, I am ahead of the game, I already have green transport ... British racing green.
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marcos 35		#2	[url]	[-]
Registered Member Posts: 9 Fri, 20-Nov-2009 15:52	if i remember correctly super charger was fitted between rad and engine on a frame all later swapped for a v8 raced some more then sold it regreted it so built another they both turned up at curborough a couple of years back ithink johns still around. very clever bloke imho
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OldNoccer		#3	[url]	[-]
Registered Member Posts: 862 Fri, 20-Nov-2009 22:40	You are right on the money there, mate ! I have found some more info - the car wiped out the opposition at one of the MOC test days with 12.05second 1/4 mile times before eating a few pistons - I think that was 1988. The Wade supercharger was fitted the wrong way round, which apparently was not a problem (for John). Then in an article in MOC mag No 80 in 2000 (on the idea of building a road going LM600!) the author chose a few pics of Q412LKH to illustrate the article. I see it has a V8 badge on it - though it is hard to make out in this pic (apolgies for poor quality, but I didn't want to break the binding of the mag by flattening it on the scanner). According to the DVLA is was last taxed as a 3500cc and has not been taxed since 2007. I wonder where it is hiding ! However, I am frankly amazed that the V6 could withstand 320bhp, and in the original article he claims they were making 250bhp normally aspirated with Reece-Fish carbs (and hairy cams). If it wasn't for the 1/4 mile times I would be inclined to say this is all a bit fanciful, but 12.05s 1/4 mile figures suggest otherwise. There's a lot of talk these days about green transport. Well, I am ahead of the game, I already have green transport ... British racing green.
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dparslow		#4	[url]	[-]
Registered Member Posts: 722 Fri, 27-Nov-2009 12:44 Chief mechanic	It was at Curborough in 2006 with John driving it, I believe it had a 4.6L fitted then. If you look at the CMI website annual rally 2006 it lists the cars and the times for the sprint. It`s not more power you need, it`s less weight and a few subtle mods and some not so subtle! Last Edited By: dparslow Fri, 27-Nov-2009 12:49. Edited 1 time.
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OldNoccer		#5	[url]	[-]
Registered Member Posts: 878 Fri, 27-Nov-2009 23:49	Well certainly it was in the over 4 litre class - but maybe more of a straight line car - though fairly quick all the same. I wonder if he is rebuilding it for another go, or whether it is resting. I rather like the lines. There's a lot of talk these days about green transport. Well, I am ahead of the game, I already have green transport ... British racing green.
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Colin Jenkins		#6	[url]	[-]
Registered Member Posts: 924 Sun, 29-Nov-2009 02:12 Chief mechanic	The 12 second 1/4 mile mentioned above was at Bruntingthorpe Proving Ground in Leicestershire at an event organised by the MOC. Invitations had gone out to other classic car clubs and on the day there were some Sunbeam Tigers (one running NOS) Fararis, Porches, a NOS injected V8 Mantulla and the above supercharged V6 (I don't THINK it was running NOS but I could be wrong. There were a number of events through out the day including use of the test circuit (Bruntingthorpe is and ex RAF airfield and was previously owned by Vauxhall) as many 1/4 mile runs as you wanted, an auto slalom and at the end of the day, the 3 car knockout sprint challenge. This event was fekin brilliant, all reg numbers in a hat and you lined up in 3's. First and 2nd went through to the next round (I was there in a 1275 Mini Marcos and got knocked out in the first round). If memory serves, the supercharged V6 blew a piston in the process of beating the NOS Tiger. It was touch and go as to whether or not it would make the final but it did and still managed to win on 5 cylinders, it was truely awsome. Sadly that was the last event that the MOC staged at Bruntingthorpe as the locals objected to the noise.....A year or so later I read that the villagers of Bruntingthorpe were complaining again as the owners had started using it for commercial freight flights during the night.....made me chuckle
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Supercharged V6 way back in 1988

Supercharged V6 way back in 1988