1.5t vs2.0na

mvela · Jan 11, 2020

Ok I own a 2018 civic 2.0 NA manual and a 1.5T cvt. I’m gonna run them together. But the 1.5t is a cvt. So my question is should I run in D, S, or L? But I’m gonna try my best to get a good 1/4 mile run. The 1.5t cvt is stock. The 2.0NA manual is tuned with ktuner. So want to see which one is faster. I’m pretty sure the turbo will win, but by how much?

gtman · Jan 11, 2020

L will be your best best for consistent times with the CVT. I'm 99.9% sure Myx does his 1/4 mile drag strip runs in L.

mvela · Jan 11, 2020

gtman said:
L will be your best best for consistent times with the CVT. I'm 99.9% sure Myx does his 1/4 mile drag strip runs in L.

Ok. So this will not hurt the transmission at all will it? I’m still kinda new to the cvt. I know how it works, just don’t understand why it has “fake” shifts.

NotSerious · Jan 11, 2020

mvela said:
Ok. So this will not hurt the transmission at all will it? I’m still kinda new to the cvt. I know how it works, just don’t understand why it has “fake” shifts.

CVT's are made out of belts and drums. They can't handle high torque as well as a traditional automatic that has metal cogs. CVTs will "slip" more easily than a traditional automatic. That is why you never see a CVT in a big truck or performance car. They are best used in economy cars that are not abused.

I baby mine in the hope that the CVT will outlast the other components like the aircon, exhaust, electronics, suspension,... I suspect that when these cars are older, the CVTs on the abused cars won't last nearly as long as they do on the babied cars.

I recommend going easy on the accelerator if you have a CVT and are planning on keeping it more than 100,000 miles. Remember it is you that will have to pay for expensive repairs on your car, not the people giving you advice on the internet.

mvela · Jan 11, 2020

NotSerious said:
CVT's are made out of belts and drums. They can't handle high torque as well as a traditional automatic that has metal cogs. CVTs will "slip" more easily than a traditional automatic. That is why you never see a CVT in a big truck or performance car. They are best used in economy cars that are not abused.

I baby mine in the hope that the CVT will outlast the other components like the aircon, exhaust, electronics, suspension,... I suspect that when these cars are older, the CVTs on the abused cars won't last nearly as long as they do on the babied cars.

I recommend going easy on the accelerator if you have a CVT and are planning on keeping it more than 100,000 miles. Remember it is you that will have to pay for expensive repairs on your car, not the people giving you advice on the internet.

Yeah we are usually really easy on it. I just want to do this one race to see how big a difference we get from the 1.5t cvt stock, and a 2.0na manual with a ktuner. They both feel about the same to me. I’m pretty sure the 1.5t will be a little quicker in the quarter mile but I don’t think by much. So I just want to make it as fair as possible.

gtman · Jan 11, 2020

The beauty of L for the 1/4 mile run is it will basically run without the fake shift points and keeps power where it needs to be. I checked some of Myx's posts and he definitely only uses L for his track times.

Some clarification. NotSerious has a different CVT than the Accord-based transmission you have. Of course even though it's beefed up, it can only handle so much torque.

He also mentioned CVTs aren't in sports cars but WRX's have them, for example. They are so efficient at putting power down F1 banned them. Just saying.

Not that I would make a habit of using L, but for a few runs, no worries. Generally, most pro testers have used L for the times you see published online.

mvela · Jan 11, 2020

gtman said:
The beauty of L for the 1/4 mile run is it will basically run without the fake shift points and keeps power where it needs to be. I checked some of Myx's posts and he definitely only uses L for his track times.

Also, NotSerious has a different CVT than the Accord-based transmission you have.

Not that I would make a habit of using L, but for a few runs, no worries. Generally, most pro testers have used L for the times you see published online.

Since we are on this subject, do you know what the difference is between D and S? Does it really make a difference? I’ve actually never used the S. I usually use D and L a couple times

gtman · Jan 11, 2020

mvela said:
Since we are on this subject, do you know what the difference is between D and S? Does it really make a difference? I’ve actually never used the S. I usually use D and L a couple times

D and S both use the programmed simulated "gears". S revs higher in the rev range compared to D so it feels more "snappy" around town. Personally, I like the lower revs of D for normal driving (I'm tuned though).

BriteBlue · Jan 11, 2020

gtman said:
The beauty of L for the 1/4 mile run is it will basically run without the fake shift points and keeps power where it needs to be. I checked some of Myx's posts and he definitely only uses L for his track times.

Some clarification. NotSerious has a different CVT than the Accord-based transmission you have. Of course even though it's beefed up, it can only handle so much torque.

He also mentioned CVTs aren't in sports cars but WRX's have them, for example. They are so efficient at putting power down F1 banned them. Just saying.

Not that I would make a habit of using L, but for a few runs, no worries. Generally, most pro testers have used L for the times you see published online.

What's the difference between the two CVTs that were mentioned?

mvela · Jan 11, 2020

It won’t be a slip. This will be on the street. My girlfriend will be driving the 1.5t while I drive the 2.0na because I’m faster at driving the manual. I really think she will probably win by maybe a car length because off the line the manual is faster.

mvela · Jan 11, 2020

Are you still running the stock tires? I know when I went to my Z rated tires it made a huge difference off the line. Before it would spin through first gear, which is not good since most of your power is lost when spinning in an open differential. Once I was able to launch without spinning like crazy my car takes off way faster

gtman · Jan 12, 2020

BriteBlue said:
What's the difference between the two CVTs that were mentioned?

Honda Civic 10th gen 1.5t vs2.0na IMG_20200112_133644

If you don't want to read all that, there are two main differences.

1. The 1.5T uses a beefed up unit that was derived from the CVT the Accord uses. The 2.0 version is based on the CVT in the 9th gen Civic.

2. The 1.5 T uses a more advanced torque converter for better control and reduced turbo lag.

1.5t vs2.0na

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