Technical 1242 Gearbox Ratios?

[peaster2k]

Can anyone tell me if the gearbox ratios from a 1242 (Punto 1.2) gearbox are the same as the ratios in an 1108 (Cinq) gearbox?

I know the 1242 box will bolt onto a cinq easily enough, just wondering about the differences in ratios. Also if anyone has any figures on ratios for both these gearboxes then it would be great.

Thanks

David

 

[HP]

Got the 55 and 1.1 6 speeder ratios if that's any help?

As I understand it, the Punto 1-4 ratios and diff are the same as the cinq but 5th is shorter.

 

[peaster2k]

Yeah go on then pete, might help someone. It might appear that the syncromesh on 3rd has gone and was thinking about putting the box rich has in from the 1242. Really would like a replacement cinq box though if the ratios are different.

Thanks

David

 

[HP]

1.1 Punto 55 ratios: Cinq ratios:-------55 6 speeder ratios

1st 3,909:1 --------1st 3.909:1-------3.545:1
2nd 2,157:1 --------2nd 2.157:1------2.157:1
3rd 1,480:1 --------3rd 1.480:1-------1.480:1
4th 1,121:1 --------4th 1.121:1-------1.121:1
5th 0,902:1 --------5th 0.829:1-------0.902:1
6th-----------------------------------0.744:1
Rev 3,818:1 --------Rev 3.818:1------3.818:1
Final drive 3,866:1 --FD: 3.866:1------4.923:1

So 5th will be a little shorter. 6 speeders are just silly on a cinq.

 

[peaster2k]

I posted something on a punto forum last night and this is the reply i got:

For MK1 the technical specifications in brief (55/60 range) are as follows:

Gearbox 55/60:

1st 3,909:1 / 3,545:1
2nd 2,157:1 / 2,157:1
3rd 1,480:1 / 1,480:1
4th 1,121:1 / 1,121:1
5th 0,902:1 / 0,902:1
6th - 0,744:1
RM 3,818:1 / 3,818:1

Thanks Tokha from Puntoforum.com

David

 

[peaster2k]

----------Cinq------Punto55---Punto60--6Speed
1st-------3.909:1---3.909:1---3.545:1---3.545:1
2nd-------2.157:1---2.157:1---2.157:1---2.157:1
3rd-------1.480:1---1.480:1---1.480:1---1.480:1
4th-------1.121:1---1.121:1---1.121:1---1.121:1
5th-------0.829:1---0.902:1---0.902:1---0.902:1
6th---------N/A------N/A--------N/A-----0.744:1
Revs------3.818:1---3.818:1---3.818:1---3.818:1
FinalDrive-3.866:1---3.866:1---???????---4.923:1

Is my reasoning right then?

The Punto 55 box is the same apart from the a Shorter 5th Gear?

The Punto 60 box has a shorter 5th Gear and a Shorter 1st?

Someone correct me if i am wrong?

Thanks

David

 

[HP]

If those figures are right, and the diff is the same as the cinq, then the 60's got a longer 1st and shorter 5th.

 

[peaster2k]

thats what i was thinking in the 1st place, but i edited the post to say both were shorter.

If i was to drop this into the cinq, what effect would it have? Yes i know i would get a shorter top end but would i also get worse Acceleration as well?

Thanks

David

 

[dawozere]

Is that good/bad or neither? lol.

I have apunto 60 gearbox and engine on its way to drop into the Sei (the sei gearbox makes a whining noise in 4th, and no other gear, so I'm assuming its knackered and the Punto box will be put in instead)

cheers all
dave

 

[peaster2k]

U might run out of revs in 5th on the motorway, I can see a longer 5th gear will kill your Acceleration with a 1242 but it will not be as good as if a cinq box was in.

Oh i found this on another Punto forum as well:


David

 

[HP]

That's brilliant, is there the page with the final drive / diff ratios on too?

 

[peaster2k]

not sure as someone posted that up, i will see if i can put a post up asking them about that.

David

 

[peaster2k]

I havr found this as well:

http://www.clubfiatpunto.com/mk1.htm

After reading that it makes me think that the Mrk1 Punto 55/60 have the same gearbox, and the only difference between that box and a cinqs box is the shorter 5th gear?

David

 

[HP]

Sounds like it, I'd check the 'box physically to see that the mounts from the cinq can be fitted easily - the Punto mounts might be different.

Reinforces my theory on the 6 speeder does that web page, ta!

edit:

You will almost certainly have to swap the clutch release arm over too, but that's a 10 min job when both the 'boxes are on the floor.

 

[peaster2k]

Pete,

You have seen the box that is sitting at Richs? Can you remmeber whether the moutnings are the same? Also how easy is it to swap the arm over?

Thanks

David

 

[MrDerv]

Dave, it's the same casing so the mountings will be the same. Feel free to take a look at it if you want

 

[MrDerv]

Copied this thread to the Puto Technical section, hopefully that should get the punto boffins thinking too

 

[HP]

Yep, agree with Rich. Clutch arm is a 5 min job too.

 

[peaster2k]

Copied this thread to the Puto Technical section, hopefully that should get the punto boffins thinking too

Nice one Rich