Lna is the best for visa, you can do 110km/h in 3rd!
Although 1st gear is a bit long...
Harley
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| 8/31 gear box http://www.international2cvfriends.com/forum/viewtopic.php?f=7&t=4255 |
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| Author: | vitor [ September 24th, 2012, 11:50 pm ] |
| Post subject: | 8/31 gear box |
Hi! Any problem when fitting an 8/31 differential into a normal 2cv6 gear box (8/33)? Thanks! |
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| Author: | 2CViking [ September 25th, 2012, 9:43 am ] |
| Post subject: | Re: 8/31 gear box |
vitor wrote: Hi! Any problem when fitting an 8/31 differential into a normal 2cv6 gear box (8/33)? Thanks! None whatsoever... Ratio will between standard 602 and AK box. Doubt you'll feel any difference.... |
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| Author: | vitor [ September 26th, 2012, 11:33 am ] |
| Post subject: | Re: 8/31 gear box |
Well, when you instal an 8/31 differential into a 2cv6 gear box (8/33) I suppose you´ll get longer speeds, I mean if you drove at 100km/h before, then you'll reach maybe 106km/h. Am I wrong? As my engine is a 652 I guess this way it will run better... |
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| Author: | 2CViking [ September 26th, 2012, 12:06 pm ] |
| Post subject: | Re: 8/31 gear box |
Remember to install the matching pinion, they are machined as a set. Also you need to reset the pinion depth, back lash and preload on the crown bearing. Attachment: Crown pinion.jpg 100 or 106 kmph is the same to me. |
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| Author: | lpgo [ September 26th, 2012, 12:21 pm ] |
| Post subject: | Re: 8/31 gear box |
2CViking wrote: 100 or 106 kmph is the same to me. Don't let a 652 rev to high (6000+) it isn't build for reving so a 31/8 will help you doing that, theres torq enough in a 652 so it will easily do that, try to get a complet dyane 6/ ami 8 gearbox, it will bring down rpm even more so you can maintain a good averige speed with less rpm and engine noise.... fuelleconomics will be the same however...... don't use lna gearbox, they are to high geared for 2cv wheels,, it will burn your clutch. (This all is my opinion do with it what you want) |
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| Author: | Harley [ September 26th, 2012, 3:11 pm ] |
| Post subject: | Re: 8/31 gear box |
Lna is the best for visa, you can do 110km/h in 3rd! Although 1st gear is a bit long... Harley |
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| Author: | vitor [ September 26th, 2012, 3:33 pm ] |
| Post subject: | Re: 8/31 gear box |
Ipgo, I've got a complete Dyane 6 gear box (8/31), but I was told that the 1st, 2nd and 3rd gears will be shorter than the ones in the 2cv6 box (8/36). Only the 4th will be longer - is that so? In case your answer is yes, don't you think it is a good idea to instal the 8/31 differential into the remaining 2cv6 gear box? My goal is to have an engine with less rpm. For instance, it would be nice to drive at 90Km/h with just 3000 or 3500 rpm. Now, using the standard 2cv6 box, I'm having 4000rpm... |
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| Author: | 2CViking [ September 26th, 2012, 3:55 pm ] |
| Post subject: | Re: 8/31 gear box |
Harley wrote: Lna is the best for visa, you can do 110km/h in 3rd! Although 1st gear is a bit long... Harley 116 in 4th 
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| Author: | lpgo [ September 26th, 2012, 9:51 pm ] |
| Post subject: | Re: 8/31 gear box |
Put the whole Dyane gearbox in, 2. gear and 4 gear are the same in both gearboxes, only 1. and 3. are slighty lower at dyane 6. So topspeed is the same (4. gear but with 31/8 it is in total higher then 33/8 of 2cv) Take a look at this.... http://oecc.nexenservices.com/Narizin/t ... bersetzung |
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| Author: | vitor [ September 27th, 2012, 1:02 am ] |
| Post subject: | Re: 8/31 gear box |
OK, but if I do so, I won't get a longer 4th gear, right? So it is better to keep the 2cv6 gearbox (8/33) which is working well, I guess... |
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