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General => The garage => Topic started by: daros on 12 May 2004, 18:35

Title: Gearbox Advice
Post by: daros on 12 May 2004, 18:35
As you may be aware I am on the look-out for a 2nd hand gearbox for my 91 8v GTi. Do i need to get a gearbox from a similar aged/model of car or will any 5-spd box fitted to any mk2 golf suffice?

Your help on this matter would be greatly appreciated as ever folks :)

Thanks

David
Title: Re:Gearbox Advice
Post by: richandhazel on 12 May 2004, 19:04
You're not just limited to mk2 gearboxes. You can use mk1 Golf, Scirocco, Jetta and even Austin Maestro :o

One difference that you do want to look out for is the reversing light connector.......these can be different. You may also need to swap the drive shaft flanges over.

The ratio's can also be a little different depending on what car it came from. I expect the code for your box is: 020 AUG
Have a look at this table so that you can get an idea of the differences:-

(http://www.richandhazel.servebeer.com/gti/general/gearboxcodes.JPG)
Title: Re:Gearbox Advice
Post by: daros on 13 May 2004, 19:48
Apologies for being a lil thick......however....lol.....what difference does it make if they have different ratios? ???

Cheers

David
Title: Re:Gearbox Advice
Post by: Blue MK2 on 13 May 2004, 19:58
Try this... http://www.findit.co.uk/cars/volkswagen/parts.htm (http://www.findit.co.uk/cars/volkswagen/parts.htm)

I always thought the 16v box on an 8v would mean a higher top end ???
Title: Re:Gearbox Advice
Post by: daros on 17 July 2004, 13:36
You're not just limited to mk2 gearboxes. You can use mk1 Golf, Scirocco, Jetta and even Austin Maestro :o

One difference that you do want to look out for is the reversing light connector.......these can be different. You may also need to swap the drive shaft flanges over.

The ratio's can also be a little different depending on what car it came from. I expect the code for your box is: 020 AUG
Have a look at this table so that you can get an idea of the differences:-

(http://www.richandhazel.servebeer.com/gti/general/gearboxcodes.JPG)

Got my car back yesterday, complete with new (2nd hand) gearbox. I hope one of you can help me. The car now seems mega un-responsive with this gearbox compared to the old one. This is especially apparent from 3rd gear upwards where you would think i was barely touching the accelerator at times. This has effectively made my GTi a non-gti in terms of performance which has p****d me off no end!!!. Anything that can be done?......also which gearbox do you think i have been supplied with......i can't believe it came from another GTi!!!

Thanks folks :'(
Title: Re:Gearbox Advice
Post by: mk1 on 17 July 2004, 22:17
Post your speed and rpm's, may be a g/box with taller gears like out of a diesel ???.
Steve.
Title: Re:Gearbox Advice
Post by: richandhazel on 18 July 2004, 13:06
Sorry to hear that, what code is it?
Looking suspiciously like it may be one from a diesel :(
Title: Re:Gearbox Advice
Post by: daros on 18 July 2004, 20:49
Can you give me a clue where to look on the gearbox to find the code? I am ringing the guy who supplied and fitted it tomorrow

Thanks
Title: Re:Gearbox Advice
Post by: Gambit on 19 July 2004, 10:39
if you want to swap a 16v box onto an 8v or vice versa then you need the correct clutch as 16v boxes have a lager input shaft than 8v boxes.

8v & 16v box are more or less the same except the 8v has a longer 5th gear

co-incidentally - i found out only last week that my 16v is running a maestro box, my initial thought was :o :o

but then after studying the ratios against those on a 16v. i found the maestro box to be more or less even thru 1st - 3rd. but 4th & 5th are longer meaning better for motorway driving

this site http://www.scirocco.org/gears/ is good for comparing gearboxes & ratio's

Craig
Title: Re:Gearbox Advice
Post by: Gambit on 19 July 2004, 10:41
your gearbox code is stamped on the bottom of the bellhousing - there will be a code & a date

seen as the yellow square in this pic

(http://home.btconnect.com/i-taylor/start/Broke/126_2686.JPG)
Title: Re:Gearbox Advice
Post by: daros on 19 July 2004, 19:06
Massive thanks for your help guys. Having spoken to the bloke that fitted it he assured me it is indeed a GTi box but one from a 2litre mk3 gti. Does this explain what i am now finding?. He advised holding the gears a little longer, so on the way home from work i did and it wasn't as bad as i first thought. Still not as responsive as with the old box....just looks like i'll have to adjust my driving style lol.
On the plus side, my new box has only covered 30K thus far so should be good for the life of the car now :)
Title: Re:Gearbox Advice
Post by: Gambit on 20 July 2004, 09:16
mk2's use a rod change box

mk3 gti's have a cable change box, so in order to run that box in the mk2 he'd have needed to change the pedal box also. and i doubt he done this as it would be too much hassle

if i were you id get under the car sharpish and find out what code is stamped there
Title: Re:Gearbox Advice
Post by: rubjonny on 20 July 2004, 09:57
I thought only the later MK3s were cable change?  Probably talking rolocks ;)
Title: Re:Gearbox Advice
Post by: golfvr6 on 20 July 2004, 10:15
I think rub is right.
Do all cable gearchange boxes also use a hydraulic clutch?
Title: Re:Gearbox Advice
Post by: golfvr6 on 20 July 2004, 10:24
The mk3 gti 8v has got a rod change not a cable change.
Thanks to Blacky for the picture of his engine bay  :D

http://www.golfgtiforum.co.uk/gallery/displayimage.php?album=random&cat=10848&pos=-760
Title: Re:Gearbox Advice
Post by: Gambit on 20 July 2004, 10:43
d'oh! my mistake ::)

still be worth getting under to have a gander at the code though just to be certain

for all you know, you could have a maestro box like me!! took me 2 years before somebody pointed it out to me!
Title: Re:Gearbox Advice
Post by: golfvr6 on 20 July 2004, 10:47
Yeah Gambit is right, get under and have a look!  :D
Title: Re:Gearbox Advice
Post by: richandhazel on 20 July 2004, 10:52
Gambit, thanks for that gearbox ratio link........very useful ;)

MK1_BOY popped round yesterday and we spent most of the day rebuilding a gearbox for him.......he went home last night with a nice new gearbox to fit to his rocket ;D

daros, get that code off your box.......that will reveal all ;)
Title: Re:Gearbox Advice
Post by: daros on 20 July 2004, 19:29
Had a quick gander........from what I can see (without jacking the car up) the code goes something along the lines of CDH 120 114  ??? ??? ??? lol

That of any help?

Cheers

David
Title: Re:Gearbox Advice
Post by: Gambit on 21 July 2004, 12:04
CHD gearboxes where in 92-95 Golfs/jetta's

comparing the ratio's of an AUG box to the CHD, the CHD is slightly longer from 3rd onwards hence why you have to rev it further
Title: Re:Gearbox Advice
Post by: daros on 21 July 2004, 19:40
CHD gearboxes where in 92-95 Golfs/jetta's

comparing the ratio's of an AUG box to the CHD, the CHD is slightly longer from 3rd onwards hence why you have to rev it further

Slendid........a mk3 box as claimed it is then! lol

Thanks Gambit :)

David