CivicB18B1

iTrader: (2)

Why there is no aftermarket compagnies that offer longer 6th gears? or 5th gears for automatic transmissions for the CL-S??

At 4.00$ the gallon, 5.00$ (in canada) its getting seriously pricey..

The 6th gear ratio STOCK for the CLS-6spd is:


- 0.771

If we put the longer 6th gear like..

0.500

Im sure the MPG would jump from 30MPG on the highway to 40MPG with the longer 6th gear and have better MPG then a honda civic on highway!

What do you guys think about that?

at 60mph my CLS6 rev to about 2100rpm

with the aftermarket-fuel-saving 6th gear it could be at like 1500-1600rpm at 60mph.. it would be great no? im sure at that rpm its enough for the engine to breathe well and run great without problems.

i would be ready to pay 500$ for the new 6th gear

and if it cost like another 500$ of installation thats 1000$.. im sure it would be a great invesment after 2 years, your invesment is paid by the fuel savings.

any comments?

monkeybutt

Always wanted a taller 6th gear, especially for an engine w/ adequate torque curve. Me want.

TypeStylinOnU

sorry to hijack but i heard montreal was CRAZY this weekend

cltypeSLOW

my 5th in the 5at is pretty long already. i never churn more than 1500-1800 when on the freeway. what the 6spd turns.

fuzzy02CLS

iTrader: (2)

Balance. If 6th gear was any taller you would loose any hope of acceleration when at model HW speeds. 50-65mph.
You want to save gas? Don't drive or drive less or driver slower.

CivicB18B1

iTrader: (2)

Its not hard to downshift into 5th gear when its necessary !

CivicB18B1

iTrader: (2)

Yes it was my friend I work for honda canada, they gave me free tickets to go to the formula one race

Hot quebec chicks in crescent street/downtown.

A lot of celebs was here.. Pamela Anderson.. P.Diddy.. etc etc

aznboi2424

iTrader: (10)

I have an auto and its about 2k rpm at 68mph. How slow do you drive on the freeway?

fsttyms1

There is NO way you would jump from 30 40mpg on the hwy. If its to tall the motor has to work harder to turn it. not to mention i doubt its possible to just throw in a different gear. If you have a 6 speed you should be able to get 34+ mpg on the hwy driving slower and using cruise. (I know i can get 32mpg at 75 with the cruise on)

And to those wondering there is about a 750 rpm difference between the auto and the 6 speed (ie at 80 we are just a tick under 3k, where the auto is about 2250)

sayfulhaqq

iTrader: (3)

Wow I love Azine! I learn something new everyday. To the OP, if you are worried about gas mileage , you should stick to you cruise control as previously mentioned, and avoid vtec. Also I have heard that if your in constant stop and go traffic shifting it to D4 will help to avoid too many shifts, but once the traffic opens up, shift back to D5, any truth to this? Also make you are putting in 93. You will get better gas mileage out of that (Not trying to open this discussion, I know its been beaten to death, its just my honest opinion)

fuzzy02CLS

iTrader: (2)

Downshifting to 5th would defeat the purpose of gas saving since you will be using more gas to accelerate.

TheWeez

Good luck finding a place to install new gears for only $500. That'd likely be treated as a transmission rebuild and you'd be looking at well over $1000. How long would it take you to recoup those costs in the small extra mileage you'd get? I think that if a longer final gear was the answer you'd see it in all cars at this point. Doing so would mean that you'd need to be in 5th (or 4th in the autos case) for a longer time to get up to a point where you could switch into 6th (or 5th) and thus burn more fuel getting to that point all the time. This would make the final gear useless for anything but steady highway speed. It'd also mean lots more downshifting (and burning more gas) any time you wanted to speed up or slow a bit. Right now I can go into 6th at 45mph and fairly easily stay in it as I accelerate up to whatever cruising speed I want.

spdy0001

1. Your suggestion is pointless

2. If you want better MPG get a 4 banger econo box. You have the wrong car to worry about MPG

TheWeez

Read a recent article saying that hybrids aren't the way to go but rather lighter vehicles (use of lighter materials). Decrease the weight by 10% and you'll get better gas mileage then you would with a hybrid engine. It's an interesting read.

http://news.slashdot.org/article.pl?.../06/10/1426239

ljmushock

I put mine in 6th while cruising on the main roads at about 50 mph. downshifting to 5th or 4th is so easy you might as well cruise in 6th to get the better mileage. I feel like my 6th is not powerful enough on the highway (even going 80)... I almost always drop to 4th or 5th to pass on the highway.

J32A26MT

a taller 6th gear would be nice for me...but i don't think it would be worth the money. I drive on highway with a 65 speedlimit and like to drive 80 to get to work. However, at 80 i am burning gas at almost 3000 RPM. i have to be in between 70 and 75 to get it down to 2500. If i was on a highway trip and kept it under 80 i could maybe get 25 MPG. Normal driving i get around 350 miles a tank and avg 22-23 MPG. Whoever thinks we can get 34 MPG out of the 6 speed you are crazy. Maybe if i drove 50 MPH in 6th for a whole tank, but our car from the factory was rated like 19/25. All the never accords are like 20/29, but this thing sucks gas, even when i'm trying to drive conservatively. I would bet money that Auto trans gets better gas mileage because they cruise at lower RPM on the highway.

TheWeez

I normally get 28mpg mixed driving with plenty of VTEC fun. Best I've gotten was around 35mpg on a road trip doing 75mph-80mph the entire tank. Just a K&N filter at this point.

J32A26MT

WOW and if i recall you're 6 speed. those are great numbers, i have a couple more mods, but maybe i will get better numbers once i install my VAFC and wideband and tune it.

TL-Super

Same question from me

TheWeez

Yeah I have the 6-speed. When driving normally, I usually shift below 3k RPMs. I do a lot of 1-3-5 shifting too lately.

TL-Super

That sucks for gas consumption ..mind you I'd like a 6 speed MT sometimes.

artbran

iTrader: (2)

I think that if you get all the restriction off of the exhaust and the intake, your MPG's will rise. And by all, I mean most.

Now my car might be a factory freak when it comes to mileage (26ish @ 80mph, 35-36 @ 60. Tested 8 times already to where I filled the tank to the gas cap and went on a road trip then refilled to the cap again. Same results EVERY TIME), but with no cat, and 2 3/4 piping in the exhaust with headers definitely does help..

And yes, that comes out to just under 600 miles per full tank. I can get 250-280 at half tank driving 55-60 the whole way

ljmushock

one of these.....
http://automobiles.honda.com/fcx-cla...20080611193928
and one of these....
http://cgi.ebay.com/SOLAR-POWERED-HY...2em118Q2el1247

should solve all our problems w/gas mileage

J32A26MT

holy crap i need to work on my exhaust that is amazing!!!!

TheWeez

I'm waiting to see what happens to my mileage when I install the header next week. Hope to see some kinda increase.

J32A26MT

I haven't noticed anything, i think it will need to be tuned to notice a difference

TheWeez

Theory is that it's making more power so it should take less gas to get to the same cruising speed. Shouldn't need to be tuned for that to happen. We'll see. Do you track your mileage with every tank? I have all my records back to when I got the car.

J32A26MT

Our computers do adjust after mods such as these...so hopefully after tuning it to the correct a/f ratio my gas mileage would be better, but either way i have not noticed any difference after header install. I calculate my MPG after each tank but usually don't record anything...i like that idea though.

fsttyms1

I drive 75-80 all the time with the 6 speed and get well over 400 to the tank (usually around 13- 14 gallons) Maybe you need some maintenance done to your car or need to use the cruise more. Ive gotten over 500 to the tank (around 15-16 gallons) many times as well all above interstate speeds. They can and will get great mileage on the HWY. 1 more thing to also think about is even though the 6 speeds are turning higher rpm, they arent loosing as much parastatic loss in the drive train making them more efficient

J32A26MT

Thats amazing, i never get that much out of a tank. I bought my car with 15k miles too!!! I have about 48k on it now and have never gotten that good of gas mileage. Like I said i get about 350 miles out of 15 gallons. What would be some good things for me to check or replace coming around 50k on a 8+ year old car? Spark plugs? wires? fuel filter? I keep my k&n filter clean...got headers, factory cat, and factory exhaust...everything aftermarket is in my sig. If anyone has some suggestions I would appreciate it. I would love to get like 27+mpg!!

J32A26MT

i mean 5 year old car

fuzzy02CLS

iTrader: (2)

There's nothing wrong with our car. Some cars just get better mileage due to conditions & driving style.

As long as your not getting REALLY bad gas mileage & your current mileage is consistent your fine.

YeuEmMaiMai

I get 32at 72 with an 02 CL-S

CivicB18B1

iTrader: (2)

Guys, i was on acuranews.com and watching the new 2010 Acura TL 6spd MT gears ratios...

http://www.hondanews.com/categories/733/releases/5192

http://www.hondanews.com/categories/735/releases/5197

Acura 3.2 CL-S 6spd 6th gear: 0.771

Acura TL 2010 6spd 6th gear: 0.686



From what i can see, the NEW TL MT 2010 have a 12.5% taller 6th gear compared to the 2003 CLS6.


Of course some people will say:

the cash you will spend taking off the tranny, the labor cost, the new gear cost it dosent worth to do it....


But some people who need to take off the tranny to put a new clutch can per example, swap the 6th gear and put a new TL MT 2010 6th gear!


But there is some interogations..

1- Can the new 6th gear from a AWD tranny can fit into a FWD tranny even if both are J series trannys?

2- If your rpm were a like 2200rpms with the original 6th gear at 60mph, what would be the new rpm with the new 6th gear? 2000? 2100?


we can have a much better HWY MPG with the taller 6th gear from the 2010 TL MT tranny

fsttyms1

Yea, if only it were that simple. There is more to it than just "swap" it out. If you have the trans apart to do this (given it would even fit and match up) you might as well rebuld it and replace all the syncros as well while your in it.

StreetKA

iTrader: (8)

i just started to drive a lil bit smoother (it is hard for me)than b4 to see how much can i save on it... from what i can see now i saved 60 miles on one tank... trust me our cars arent that bad on MPG... want to save money on gas ? get an Jetta TDI lol

anyway this thread is worthless

just b EZ on gas thats it shift at 2500-3000 rpms

i got 16-20 average MPG and i do not complain about it

civicdrivr

iTrader: (9)

Swapping just the 6th gear isnt that simple.

What you would want to do is get a new final drive, but you'll need to replace the countershaft as well.

No companies make a final drive for us. Our final drive gearing is 3.286:1. But we rev pretty low at 70mph to begin with.

And keep in mind, if you swap the fd, you'll then have to recallibrate the speed sensor.

I have thought about running a shorter final drive for acceleration, and Ive gone so far as to source the parts for it (if you look in the right places ). I may pick up that project again if I dont go turbo.

Drumroll

My 01 CL-S is no great shakes on fuel economy either but my other vehicule is a Silverado 2500HD 4x4 with a 6 litre...now theres fuel economy to bitch about!

ThegreatGATHby

Vehicle weight mostly affects acceleration and braking - transients [if you discount changes in rolling resistance]. If you are cruising, aerodynamic drag plays the biggest part in your fuel economy.

n0rm

iTrader: (6)

A lot of it is how you drive, be easy on the gas pedal, drive 55 mph in the slow lane if you can, putting the car in neutral when going downhill, etc. When I lived in NJ and commuted everyday, I practiced "hypermiling" in my old car, '06 Mazda 3 5MT, I was averaging 50 - 55 mpg.

Now that I drive <700 miles a month mpg doesn't matter as much. My car has been doing about 30 -32 since I seafoamed her though.