OldAndrewE

What is the issue?

JZX3062 - Mini stepper motor for spi throttle assembly (minispares.com)

This is what that part number brings up

Note the comment on the Mini Spares site re idle problems

From the Haynes Mk 1 Mexico manual:

OK, I think it will be under that Anthony

Not sure Anthony but I think so, I will take a photo in the light tomorrow

The Arch Motors chassis number (assuming it is an Arch chassis).  On mine it is stamped on the RH rear shock mount

35 minutes ago, orangepeel61 said:

The chassis on my car is marked AM 86 20 which I believe to be Arch, manufactured in 1986, presumably week 20. It has de Dion rear suspension with drum brakes.

It's a 1700 Supersprint and was first registered in 1987, chassis number KLD 0155R.

Neil.

The 20 in the Arch number must be a serial number not a week number, mine is AM 85 702

3 hours ago, Nigel Blandin said:

Hi Wayne, the de Dion was first sold in late ‘85 I think.

Yes, when I went to Caterham in 1985 to pick up my S3 body/chassis kit I was shown the development going on for the de Dion

Mine is KS30045R and also has a 1985 Arch chassis number

10V regulator available here if you can't find one

Caerbont | Smiths Classic Voltage Stabiliser | Merlin Motorsport BR1307-00NEG

This is a wiring diagram that comes with Smiths classic gauges, shows the ones that use 10V

The Smiths instrument system used one of these which provides a stabilised 10V

Flat out acceleration will be slower, don't know how noticeable it will be.  Top speed - I think it depends on what is limiting top speed at the moment

Bit of confusion over terminology there JK.  I would say it is the other way round, i.e. the higher the ratio the lower the engine speed - think of it in terms of gearbox ratios, top is certainly higher than first. Of the two RV-4 mentions the 3.9 is higher (and is certainly the one I would use for cruising)

23 minutes ago, Beagler said:

My recent lightened flywheel gives an idle speed of approx 100 so as it moderately lightened  does not appear too extreme. 

I guess you have missed a 0 off there 😉

That's the one Anthony

I found it on Merlin

Facet Red Top Electric Fuel Pump 6.5-7.0 PSI from Merlin Motorsport

Anthony, does the newer pump have a part number stamped on one of the mounting feet, probably 6 figures starting with 4 and followed by E.  Apparently current range do

As requested John, similar available for oil temp

Smiths Classic Mechanical Water Temperature Gauge from Merlin Motorsport TG1310-01078

46 minutes ago, Wrightpayne said:

Caveat Emptor

Have a read of his trading T&Cs!

Its Webb BTW.

I have read them and I would never buy anything on those terms.  I suspect some of them may even be illegal , especially wrt distance selling regulations

Why do you want to change them?  One issue with the oil temp will be where do you put the sender bulb - with a wet sump it can go in a sump plug adaptor but dry sump I don't know, don't think it will fit where the electrical sender fits

Anthony, do you leave that gauge permanently in place?  This from the Demon Tweeks site:

The Sytec in line fuel pressure gauges have been developed to monitor fuel pressure when making final adjustments to the fuel system. The in line gauges are available in two pressure range types, with the 1-7bar range glycerine filled, and each including a male thread for attaching to an adaptor (available separately). The gauges are designed for setting up of the fuel system only and not recommended for permanent use.  (my bold). Blanking plugs are available

3 minutes ago, 700newtons said:

OldAndrewE - yes, moderators/admins can change content on the site.

Simon

So in the short term, until this is decided, if there is something incorrect or even dangerous (from a technical aspect only I suggest)  perhaps a request could be made for it to be corrected

Would someone with admin rights have the ability to edit posts after the 7 day cut off?

7 minutes ago, Andy Tims said:

BlatChat "New & Updated" seems to be limited to 10 posts, or am I mistaken?

New & updated was how I used to use BlatChat previously & I could go back quite a long way, which was useful.

 

I use the 'unread content', seems to do the job!

1 hour ago, Wrightpayne said:

If its a dedion the lower diff mounting bolts are ‘special’!!

I should add that mine is a live axle (English Ford)

On my 1985 S3 there is nothing of any significance that is metric (the screws/nuts holding the wings on may be metric).