Marcos Maniacs

The triumph GT6 lug nuts are on a 3.75 inch spacing  - technically known as
the PCD (pitch circle diameter)

For used 4.25 inch for the 4 stud wheels
Here are some reference links I have picked up on the web:
The second one includes the Triumph list (very short)
 <<http___eoni.com_~djco_4_bolt.html 4 Bolt Mounting Guide for
WheelLugGaugeTM - DJ Edman and Comp.url>> 

http://www.geocities.com/MotorCity/Pit/9975/dataBySubject/WheelBoltPatterns.
html



David McCubbin
Mosaix Campaign Administrator
Loyalty/Telesales
* 151 - 4898
*(416) 213 - 4898
* dmccubbi@...


> -----Original Message-----
> From:	pauldransfield@... [SMTP:pauldransfield@...]
> Sent:	Friday, November 09, 2001 1:07 PM
> To:	MarcosManiacs@yahoogroups.com
> Subject:	RE: [MarcosManiacs] LM600 and hi-nose
> 
> Stephen,
>  
> I'd really appreciate any additional info you could provide, including the
> lug spacing specs if you have them. 
>  
> Regards,
>  
> Paul Dransfield
> 3 litre Volvo
> 
> -----Original Message-----
> From: Spalding, Stephen (US - San Francisco)
> [mailto:sspalding@...]
> Sent: Friday, November 09, 2001 1:03 PM
> To: MarcosManiacs@yahoogroups.com
> Subject: RE: [MarcosManiacs] LM600 and hi-nose
> 
> 
> 
> Paul 
>         I found going to the 14" wheel is the only way to go!  My car came
> with the 13" cosmics (one cast wheels and avon tires).  When I purchased
> the
> car in Feb. of 75, the car's front tires look new the backs were missing a
> lot of rubber in only 7K miles!!!   The wheel lug bolt inserts started to
> crack, about 10 years ago, which I thought was not safe.  The lug bolt
> spacing on the GT6 was only used on a few other cars like the Lotus
> Europa.
> So the wheel selection was/is? limited at that time.  With a gift form my
> wife, I went to wire wheels, Dayton build the wheels to fit the offset (at
> that time custom cost no more the stock order).  Their wheels with SS
> parts
> are in general much stronger than wheels form England.  The handling
> improved even with the Dayton's increase in swing weight over the cosmics
> (new tire tech is great).  If you need any details I could go dig in my
> files.
> 
>         Stephen Spalding 
>         5916t 
> 
> -----Original Message----- 
> From: pauldransfield@... [ mailto:pauldransfield@...
> <mailto:pauldransfield@...> ] 
> Sent: Friday, November 09, 2001 6:32 AM 
> To: MarcosManiacs@yahoogroups.com 
> Subject: RE: [MarcosManiacs] LM600 and hi-nose 
> 
> 
> Hi guys, 
> 
> Mark could have a point there regarding the raising of the rear, which I 
> wouldn't recommend unless it's unnaturally low because it would effect the
> 
> handling, but I have another slant on the problem. Believe it or not but
> the
> 
> component of my 3 litre Volvo which most often comes in contact with the 
> road surface is the bottom of the clutch slave cylinder. In fact it got 
> ripped off the bell housing 2 years ago and I had to remove the engine and
> 
> transmission in order to detach the bell housing, which is made of
> aluminum,
> 
> and have it welded properly. I've had my oil sump welded a few times and
> the
> 
> last time it happened, I had a fairly substantial skid plate attached to 
> prevent a recurrence. I'm currently working on developing similar
> protection
> 
> for my clutch slave cylinder. 
> 
> However, in my case, the problems of grounding are probably more to do
> with 
> putting Michelin 185/70 13 tires on the car many years ago, because their 
> diameter is at least an inch less than the original Avons. Not only did it
> 
> lower the car but it also causes my speedometer to over-read. I've been 
> intending on switching to 14 inch rims with lower profile tires that match
> 
> the diameter of the originals and I'm hoping to do it next Spring. I just 
> can't make my mind up about the rims. Does anyone have a suggestion for
> rims
> 
> that would compliment the car. I want something elegant that's not flashy.
> 
> Anyway, tire size is another component of ride height. Something to think 
> about. 
> 
> Regards, 
> 
> Paul Dransfield 
> 3 litre Volvo 
> 
> -----Original Message----- 
> From: Mark Saxby [ mailto:Mark.Saxby@...
> <mailto:Mark.Saxby@...> ] 
> Sent: Friday, November 09, 2001 4:56 AM 
> To: MarcosManiacs@yahoogroups.com 
> Subject: [MarcosManiacs] LM600 and hi-nose 
> 
> 
> 
> First off, there's only 1 LM600 road car in existence. It was built 
> to satisfy the FIA that the LM600 race car was a bona-fide GT and not 
> a one-off race special. Factory testers reported, even undeveloped 
> (all the return edges on the car were razor sharp!), that it'd exceed 
> 170MPH and talked of a "developing it properly if someone comes along 
> with \ufffd100,000". The car was, to my knowledge, last seen with Eurotech 
> (Cor Euser's outfit) in Holland. There are some pictures of it 
> somewhere on my website, with Dutch trade plates over its English 
> plates. 
> 
> Secondly, the pre-Mantula coupe is often described as having a high- 
> nose (there being no front spoiler), but looking at Jeff's photos his 
> car does look unusually high. I'd expect this to be solved by 
> lowering the setting of the spring seat on the shocks. However, it's 
> worth considering WHY this has happened. It could be a case of too 
> long springs, but equally (or maybe more) likely it's due to the car 
> dragging its sump on a lower setting (My sump's been welded 3 times 
> now!). So (daft as it may sound), it may well be worth raising the 
> rear suspension (perhaps not to match, but 50% down on the front, 50% 
> up on the front sort of thing), unless you live in area with pool 
> table smooth roads :^) 
> 
> Cheers, 
> 
> Mark 
> 
> 
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