My old 998 use to do 100km=3900rpm, 110km=4300rpm
A speedo cable is'nt hard to change if it's that that's shat itself

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Respect mine and I'll respect yours.

how do u replace the cable.


?????? i was told the gearbox needed to come outy in order to do so because my cable had touched the extractors and had welded itself into gearbox?????


thats what i was told.

my taco waves around a little at high speeds what do u think causes this[b] a slight inaccuracy

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PrOuDlY aSkInG qUeStIoNs FoR uR aMuEsMeNt

that sounds like a load of bollocks,
it screws onto an attachment on the back of the gearbox, you can get at it with small arms from above or from below, its a pig of a job but pretty easy.

It's not as bad as a lot of people reckong , depends on your extractors and carbs though . If you have a big air cleaner you might find it easier to remove it and cover the carb mouth with cloth or something so you don't drop anything down it accidentaly . You just reach down the back of the motor (when it's cold , don't try it when it's hot) , grab the nurledcap that the speedo cable goes through and unscrew it . You might be able to get a pair of pliers vertically onto it but it is a tight fit . Some people prefer to do it from underneath but give it a go from the top first . The top end will either screw into the speedo or clip onto the back of it depending on the age of the mini/speedo .

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I can contribute the following data points for a cooper s 1310 ...

0 mph / 0 kph @ 0 RPM at rest
62 mph / 100 kph @ ~3700 RPM on Citylink
90 mph / 145 kph @ ~5000 RPM on Phillip Island Race Track

These data points produce a relatively staight line on a speed vs rpm graph; which is a little surprising really.

I find that on long journeys, on the freeway, 55-60 mph @ ~3500 rpm is ok.

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-- Simon // VMCI Member 2674 --

In my Mini K with a 3.66 diff & 10" wheels, from memory I think it's 26.5 km/h per 1000 revs in top gear. That makes 100 km/h at around 3800 rpm.

-- Simon

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Simon

The adventures of an owner builder in the Tallarook Ranges

I have 15 sets of mags & tyres, so it depends on what motorsport events im doing to what type of wheels & tyres are fitted, besides the rolling diameter between 10's & 12's are the same as for the engine revs, i still remember the day, it was going to Gulgong for a car club weekend away i was besides a early 90's fairlane & i could see his digital speedo it was reading 110k's, i remember looking at the tacho in my car at 3,600 rpm.

Doogie

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I won Hay once, here's the pic to prove it..


Hay, it's not about the car, it's not about the venue, it's about the people that come here. Peter Dwyer, Mayor of Hay NSW.

Ah fair enough.

You could calculate all the different rpms for each tyre at 100kph using gearcalc. Might be useful for working out the optimum tyre size although you'd probably know from experience anyways.

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1964 Morris 850, 1330 Supercharged - 81.8hp atws.
1975 Leyland Mini S 1100S powered - Nice and reliable.
1977 Leyland Mini LS - Project LS-T