Marcos Maniacs

Will do Ron .........I did see your car 3 years ago at Bronte but 
could not track you down.....hopefully this year
         Cheers Dave #5577













--- In MarcosManiacs@yahoogroups.com, "McLeod, Ronald" 
<ronald.mcleod@a...> wrote:
> Dave . . .
>  
> I will be at Bronte with the Mantis - unless it snows!  Look me up.
>  
> 
> Regards . . . Ron McLeod 
> 1970 Marcos Mantis P8/5858 
> 
>  
> 
> -----Original Message-----
> From: Dave Barton [mailto:dbarton62@y...]
> Sent: Monday, September 15, 2003 7:40 PM
> To: MarcosManiacs@yahoogroups.com
> Subject: [MarcosManiacs] Re: (no subject)
> 
> 
> Hi Paul
>   I bet it looks great, are you going to Bronte on Sunday I am 
> definitely gonna be there this year without a car though ,next year 
I 
> hope to bring the Marcos........
>           Cheers Dave#5577
> 
> 
> 
> 
> 
> 
> --- In MarcosManiacs@yahoogroups.com, pauldransfield@i... wrote:
> > Hi guys,
> >  
> > Well, I finally got my new wheels and tires mounted, and they 
> really do look
> > quite spiffy, even if I say so myself. I was changing from 
> 185/70R13 tires
> > on 13 x 5.5" rims to 205/45ZR17 and 215/45ZR17 tires on 17 x 7" 
> rims. The
> > slightly larger tires were put on the rear to correct a 
speedometer 
> which
> > was over-reading. In retrospect, it would have been better to 
have 
> had a
> > bigger backspace on the rear wheels because the tires protrude 
> beyond the
> > wheel wells a little more than I wanted. They don't protrude 
beyond 
> the
> > width of the car but they definitely could have been more inboard 
> by 3/4" or
> > even an inch. The front wheels look exactly right. The car tended 
to
> > understeer on hard cornering so I always thought the old wheels 
> needed a
> > smaller backspace. There again, maybe the understeer was due to 
the 
> higher
> > profile tires.  The handling has dramatically improved with the 
car 
> feeling
> > even more like it's on rails than before. I need to raise the 
back 
> of the
> > car a little (by adjusting the shock seats) to avoid fouling on 
the 
> rear
> > wheel arches under hard cornering. I'll then be able to determine 
> what
> > became of the prior understeer.
> >  
> > Even though the tire profile is a lot lower, the only time it 
feels 
> harsher
> > is when I drive over severe ridges on the road surface. My old 
> tires must
> > have been in a terrible state internally because the new ones 
feel 
> like I'm
> > driving on glass, without a twitch or tremor, especially on the 
> highway.
> > During a test run, I surprised myself when I was up to 100mph 
while 
> it felt
> > like I couldn't be going more than 60. In comparison to before, 
the 
> car is
> > now a pure joy to drive.
> >  
> > Putting it all together was actually a lot more work than I 
> anticipated. The
> > hardest part was replacing the front hubs because there was 
> insufficient
> > clearance for the back of the new aluminum hubs to clear the 
bolts 
> holding
> > the backplate assembly. On one side, the brake caliper was 
fouling 
> on the
> > hub as well. I resolved the problems by using my trusty Dremel 
tool 
> to grind
> > down a couple of mms off the side of the problem bolt heads and 
> about 1 mm
> > from the caliper body to provide enough clearance. I had another  
> problem
> > when I found that the old hub body had threads tapped into it and 
> the brake
> > rotor was attached by bolts. The new hub was drilled and recessed 
> for nuts
> > and bolts. I had to get some stainless steel bolts and cut them 
> down to the
> > correct size so they wouldn't protrude beyond the wheel mounting 
> face.
> > Fortunately the recesses for the bearings were the correct size 
or 
> I would
> > have had a serious problem. Replacing those was quite 
> straightforward. It
> > took 3 3/4 hours to do the first side and 1 1/4 hours to do the 
> other.
> >  
> > The rear wheels were relatively easy because the stud holes were 
> already
> > drilled for a 4.25 bolt circle. I just had to drive out the studs 
> and
> > reposition them. The brake drums were also pre-drilled. It took 
an 
> hour to
> > do the first side, mainly because one of the studs wouldn't 
> cooperate and I
> > had to remove the brake shoes to get at it properly. The other 
side 
> took 20
> > minutes.
> >  
> > I'll have to get my hands on a digital camera and take a shot for 
> the web
> > site so you can see how it turned out. It may appall purists but 
I 
> think the
> > car looks significantly better with the larger wheels.
> >  
> > Regards,
> >  
> > Paul Dransfield
> > 3 litre Volvo
> 
> 
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