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flyfisher

What Gearbox Have I Got

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flyfisher

When my car was converted they purchased a citreon bx 16v I've got the engine in my car what I can't find out did they use the mi16 box as well the box I have is a be3 if it is a mi gearbox what speeds should be achievable in 1st 2nd and 3rd I did think I had a 1.9 gti be3 box but I'm not so sure now other than removing the box and diff cover that I don't want to do is there any other way I could find out I know it's not a 1.6 box cos it's got a to long 5th gear

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jackherer

I can't remember the exact number but you can do something crazy like 70mph+ in 2nd gear if you take it to the 7200rpm limiter with a 1.9 gearbox.

 

Edit: I did the maths, 7200rpm with 195/50 15 tyres in 2nd gear (1.850) with a 1.9 final drive (3.688) is 71.2mph. An Mi16 'box will go to about 59mph in 2nd.

Edited by jackherer

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Bakes100

205 GTi 1.9 Gearbox @ 4000 RPM (easier to measure than the limiter)

 

1st - 25 mph

2nd - 40 mph

3rd - 54 mph

4th - 69 mph

5th - 85 mph

 

205 GTi 1.6 Gearbox @ 4000 rpm

 

1st - 20 mph

2nd - 36 mph

3rd - 49 mph

4th - 62 mph

5th - 77 mph

 

Xsara VTS / Mi16 Gearbox @ 4000 rpm

 

1st - 21 mph

2nd - 33 mph

3rd - 48 mph

4th - 63 mph

5th - 81 mph

 

If it is a 1.9 box you will get about 95 in third on the limiter with an mi16 engine. If its got the mi16 gearbox you will get about 85...assuming your speedo is correct.

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Miles

You can sort of tell by the case, 8v has the reverse light semi enclosed in the Case, the 16v as it has more rib's the switch is completely stands out of the box, Mind TD cases are the same too

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Slo

I've just bought a supposedly 1.8TD box can you tell if it is Miles?

 

16833553_10155875611067222_1643255079_o_

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Miles

No way of telling, it's only the 16v and TD case that is different, You can find the number code on front and as it looks original it should be good

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Slo

This is stamped on it upside down on the front the digit on the right is a B

 

16833258_10155880166732222_1572340228_o_

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welshpug

20CL08

 

you'll need to browse the gearbox listings on servicebox to find a match.

 

its a be3, and you say from a 205 so I'd start there

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Slo

I googled the code which brings up lots of links in french forums referring to the 1.8D gearbox so are they the same as 1.8TD? Im happy to see a reference to diesel anyway as going through the small hassle of cleaning this box up and fitting it to find out it was a typical 1.6/9 box would piss me off big time as the box on it now is spot on.

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griffo

20CL08

 

you'll need to browse the gearbox listings on servicebox to find a match.

 

its a be3, and you say from a 205 so I'd start there

 

CL08 is associated with the Diesel Turbo XU7DT as well as the non turbo versions XU7D and XU9D.

 

http://www.miamistu.co.uk/pug/GB/205N/2/22A95B.HTM

http://www.miamistu.co.uk/pug/GB/205F/2/22A95A.HTM

http://www.miamistu.co.uk/pug/GB/205F/2/22A96A.HTM

Edited by griffo
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Slo

Cheers for all the info and help folks looks like i got exactly what i wanted :)

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welshpug

i think that's probably the longest BE final drive ratio at 3.47 :lol:

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Slo

Dont have a clue about ratios and final drive numbers is that going to be bad? Ive heard good and bad comments about the diesel box and turbo engine, i just want a little bit more range and better fuel eceonomy. If its too long ill look into gear swapping if thats possible or go back to the original box.

Edited by Slo

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welshpug

its geared for 153 at 6k :lol:

 

70 would be 2750. with the spread of gear ratios there's roughly 30 mph between each gear with a 6k redline.

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Tom Fenton

Higher the number the shorter the box, by shorter I mean higher revs for the same road speed.

To be honest for the work involved I'd take the diff cover off and check the ratio stamped on the crownwheel. You know for sure what it is then. Good opportunity to reseal and fit new diff seals and speedo housing o-ring.

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petert

You could also take the side plate off and count the teeth on 5th gear(s). Together with the cwp ratio, you'll have a fair idea of what the box is. A small amount of work for the info gained.

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dobboy

I think I have a big spreadsheet with all the codes and details/ratios etc of all the older boxes, I'll try find it tomorrow. Think I got it from the 106 Rallye owners site.

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Slo

its geared for 153 at 6k :lol:

 

70 would be 2750. with the spread of gear ratios there's roughly 30 mph between each gear with a 6k redline.

 

Oh that's far too high up, imagine a cti doing 153mph :blink: no me neither sod that, 70 at 2750 would be nice though.

 

Higher the number the shorter the box, by shorter I mean higher revs for the same road speed.

To be honest for the work involved I'd take the diff cover off and check the ratio stamped on the crownwheel. You know for sure what it is then. Good opportunity to reseal and fit new diff seals and speedo housing o-ring.

 

That's exactly what I will do although I was going to strip it completely and rebuild it, just want to trial fit it first and see what its like in the flesh, theory is one thing practically its probably going to be absolutely s*ite :lol: got to try though. Is the box all sealed with just sealant or are there any specific gaskets? Ive got the diff seals and speedo o ring.

 

Codes , ratios and an calculator :

 

http://forum.205gtidrivers.com/index.php?showtopic=114635

 

D

 

Thanks for that D

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dobboy

I've found the spreadsheet I mentioned if anyone wants it PM me your email. It might be handy for someone.

 

It covers 106's 206's 306's 205's 305's 405's, 309's Partners etc etc

 

 

This is the kind of info it gives

 

Type mines Désignation commerciale Alimentation Moteur Cylindrée Boite Couple Pneus

20AA92 GENERAT. INJ XUD7 /5 165X70 R13

20CA82 205 SAN° INJ XUD7T 1769 BE3/5 17X59 165X70 R13

20CA82 205 SAN° INJ XUD7T 1769 BE3/5 17X59 165X70 R13

20CA82 D TURBO INJ XUD7T 1769 BE3/5 17X59 165X70 R13

20CA82 D TURBO INJ XUD7T 1769 BE3/5 17X59 165X70 R13

20CA82 SAN° INJ XUD7T 1769 BE3/5 17X59 165X70 R13

20CA82 STYLE INJ XUD7T 1769 BE3/5 17X59 165X70 R13

20CA82 XRDT INJ XUD7T 1769 BE3/5 17X59 165X70 R13

20CA91 COLOR LINE INJ XUD7 1769 BE3/4 17X59 155X70 R13

20CA91 COLOR LINE INJ XUD7 1769 BE3/4 17X59 155X70 R13

20CA91 JUNIOR INJ XUD7 1769 BE3/4 17X59 155X70 R13

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Slo

Poked it with some tools, this is the only stamped number i can see unless someone can tell me where to look?

 

17101564_10155915384662222_495514442_o_z

Edited by Slo

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welshpug

thats the only number you will find.

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Slo

Ok so that confirms its a d/td box then. Just got to clean it up and fit it to test how bad it is then. Will it be ok to fit the cover back on without sealant as original or will a smear of something be a good idea

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