How many people r going to buy the new model ND

[pcmx5]

Wonderful opportunity stuffed up IMHO.NC with a 4.1 ratio is looking more attractive and affordable.

I don't think the 4.1 out of the Auto will be the saviour either!





A 3.7 would be nice...just need to find a suitable gear set (not convinced one exists though!).

Cheers,
Danny

If you overlay the table for the standard ND with its maximum torque of 150 NM at 4800 and power of 96KW at 7000 rpm then it is easy to understand why despite the apparent good ratios it is still over geared.If it had something like the 1.2 turbo out of the base Renault Megane with 98 kw and 205 Nm at 2000 rpm it would fly with these ratios but as it is it is hardly ever in the sweet spot and passing quickly on B roads would need a change to 3rd or 4th at beast..And driving it that is how I felt it was ,loved the car,love the idea of a small high revving engine but....
And yes i do understand that it is good to have a high gear for nice cruising, just not sure it needs to be this high and I was only instancing the top speed gearing to illustrate that.
Peter.

[rjastra2]

If you overlay the table for the standard ND with its maximum torque of 150 NM at 4800 and power of 96KW at 7000 rpm then it is easy to understand why despite the apparent good ratios it is still over geared.If it had something like the 1.2 turbo out of the base Renault Megane with 98 kw and 205 Nm at 2000 rpm it would fly with these ratios but as it is it is hardly ever in the sweet spot and passing quickly on B roads would need a change to 3rd or 4th at beast..And driving it that is how I felt it was ,loved the car,love the idea of a small high revving engine but....
And yes i do understand that it is good to have a high gear for nice cruising, just not sure it needs to be this high and I was only instancing the top speed gearing to illustrate that.
Peter.

Cruising at 100 in 6th = 2500. Want to overtake - simple up and down to 4th and floor it. It's a very simple gear change to make. 5th gear in the 1.5L is short by modern standards. 30km/h per 1000rpm

That said, the power delivery of the 2L will suit the gearing better.

[pcmx5]

I

Cruising at 100 in 6th = 2500. Want to overtake - simple up and down to 4th and floor it. It's a very simple gear change to make. 5th gear in the 1.5L is short by modern standards. 30km/h per 1000rpm

That said, the power delivery of the 2L will suit the gearing better.

Agree,but if you are doing 90 klmph in fourth that is about 3600 rpm and still miles away from top torque and power and from my drive that is how it felt.

2ltr base sounds like the go.

Peter.

[Nevyn72]

So how long until some of these appear on local cars?

http://forum.miata.net/vb/showpost.php? ... tcount=115

[JBT]

[pcmx5]

Me too!!

Peter

[Dan]

I

Cruising at 100 in 6th = 2500. Want to overtake - simple up and down to 4th and floor it. It's a very simple gear change to make. 5th gear in the 1.5L is short by modern standards. 30km/h per 1000rpm

That said, the power delivery of the 2L will suit the gearing better.

Agree,but if you are doing 90 klmph in fourth that is about 3600 rpm and still miles away from top torque and power and from my drive that is how it felt.

2ltr base sounds like the go.

Peter.

I don't think changing final drive really solves that issue as final drive doesn't change the RPM you end up at in an earlier gear when downshifting from the same RPM point in a higher gear, it will only change your speed at that point.

So while going to a higher final drive ratio might solve the problem for your very specific cruising at 90 kmh example the same issue will happen if you are doing the same downshift with a few km less speed.

The solution to your problem of not being in the right RPM range at 90km with the stock setup is to downshift to third so you end up at 4600RPM.

Nice one Dan. One slight flaw in your analysis: the 2.0L ND cuts out at 6500rpm and your calcs are for road speeds at 7000rpm.

Good Point, it shouldn't really change the comparison much though.

Maybe the lower redline and better low end torque on the engine could even make a slightly lower gearing than the equivalent of the NC 4.1 close to spot on with the 2L?

Sent from my SM-N9005 using Tapatalk

[pcmx5]

I
So while going to a higher final drive ratio might solve the problem for your very specific cruising at 90 kmh example the same issue will happen if you are doing the same downshift with a few km less speed.

T
Sent from my SM-N9005 using Tapatalk[/quote]
I think this explains why we are at odds,higher numerical ie 3.7 vs 2.88 = lower ratio =more revs=more likely to be in the power band.So the ratio is the number of turns of the engine,expressed first to the number of turns of the axle.

Peter.

[Dan]

I think this explains why we are at odds,higher numerical ie 3.7 vs 2.88 = lower ratio =more revs=more likely to be in the power band.So the ratio is the number of turns of the engine,expressed first to the number of turns of the axle.

Peter.

Yeh, you'll have more revs at the same speed and have a higher likelihood of having a more optimal gear available which has the right rev range for the situation when you increase the final drive ratio.

It doesn't actually create "more revs" though as Final drive doesn't change what RPM the car will end up in when you shift gears so if you were at X RPM in a gear you will always end up at Y RPM in the next gear regardless of what final drive ratio you are running.

Sent from my SM-N9005 using Tapatalk

[davekmoore]

BARMY, my MX-5 SE, is quick enough to get even an idiot driver like me around Sandown in under 90 seconds.

So I'm used to a quick MX-5 and would have been disappointed if the ND had been spoiled by its gearing. In fact, I reckon the 1.5 goes pretty well both as an auto and a manual as a road car. Sure if you want more grunt and/or are making a road and track car, then go for the 2.0. But I don't understand all this talk about gear ratios when the 1.5 just drives so well and the 2.0 will be even better.

We got our first allocation today for October orders for 2.0s by the way. If you want your choice of spec and colour get your order in sharpish.

[Guran]

I had the 1000km service on the ND last week and had to take it back yesterday for a "campaign" (don't call it a recall, for heavens sake). The A/C required replacement of two pipe O-rings for a "gas leakage countermeasure". All done with a free loan car thrown in for the day.

[StillIC]

I had the 1000km service on the ND last week and had to take it back yesterday for a "campaign" (don't call it a recall, for heavens sake). The A/C required replacement of two pipe O-rings for a "gas leakage countermeasure". All done with a free loan car thrown in for the day.

I guess the A/C is not a 'delete option' from the dealer. When are you ditching it?

[Guran]

Not likely. With all the heavy rain, the AC has been getting a workout on defogging duty.

[Nevyn72]

JDM Recaro anyone?

Only ~A$1900 + shipping......

[Lokiel]

With the Aussie dollar diving like an Italian Olympic soccer player, will this affect the announced pricing of the 2.0L ND?