Corsa TD gearbox question

3.0V6 · 01-02-2008, 08:11

I have had two corsa 1.5TD's I currently run an S plate model one of the last I reckon. Anyway the gear ratios seem different to my old L reg - its doing 4K revs @ 80 mph same as a Sport. I am thinking that vaux just stuck one of the sport boxes on it - I am looking at adjusting the boost etc and happen to have a box from a 2.0 ecotec astra but not sure if it will fit - does anyone know?

holden1968 · 01-02-2008, 11:02

box will not fit as engine is not a vauxhall ,izuzu engine used

3.0V6 · 01-02-2008, 22:16

Is this the case, I thought the box would have been a vaux one.

3.0V6 · 04-02-2008, 20:08

Anyone else?

DutchNovaDiesel · 04-02-2008, 21:11

It will fit, but it won't help ! Finding an F13 gearbox with Wide Ratio and a final ratio of 3.35 or 3.55 would help

(extremely rare though)

4k rpm @ 80 sounds about right for a TD corsa. (probably has the F13 wide ratio & 3.74 FD, see chart):

3.0V6 · 04-02-2008, 21:58

Thats really helpful thanks, why will the F18 (i think) from the Astra CDX ecotec not help from what I remember it had a taller 5th gear at least. Not really an expert on ratios etc so more info and help would be appreciated.

andy_gte · 05-02-2008, 07:52

i have the f13 mentioned above and its for sale for the right price ;-)

3.0V6 · 05-02-2008, 08:11

Is it the 3.35 thats mentioned? How much are you looking for?

DutchNovaDiesel · 08-02-2008, 20:26

Quote:

Originally Posted by 3.0V6

Thats really helpful thanks, why will the F18 (i think) from the Astra CDX ecotec not help from what I remember it had a taller 5th gear at least. Not really an expert on ratios etc so more info and help would be appreciated.

F18Close ratio has a 5th gear ratio of 0,89 and a final ratio of 3,45
F13Wide ratio has a 5th gear ratio of 0,76 (post '96 models) and a final ratio of 3,74 (some with 3,35)
F18 -> 1:0,326 (1 revolution in = 0,326 revolution out)
F13 -> 1:0,352

So, the F13 will give more speed per rev. then the F18. (even if the F18 is wide ratio, it's not worth the hassle of changing inner cv-joints and clutch).

saloongte · 09-02-2008, 07:06

where will it say what final drive you have?

Jack · 09-02-2008, 08:34

Quote:

Originally Posted by holden1968

box will not fit as engine is not a vauxhall ,izuzu engine used

Can you not use the same gearbox as the Cavalier (F18w)?

Mine does 25mph for every 1000rpm. 75mph is bang on 3000rpm.

DutchNovaDiesel · 09-02-2008, 12:46

Quote:

Originally Posted by Jack

Can you not use the same gearbox as the Cavalier (F18w)?

Mine does 25mph for every 1000rpm. 75mph is bang on 3000rpm.

Yes, but then you'll have to change the clutch and inner CV's aswell.

Jack · 09-02-2008, 12:54

To big block stuff? I'd be tempted to do that anyway, just for reliability's sake.

saloongte · 11-02-2008, 17:59

mine does 80 at 3k? is it poss i have a 3.35?

DutchNovaDiesel · 11-02-2008, 19:53

Could be, look here:

If it says w335 at the end, then you do !

3.0V6 · 13-02-2008, 20:09

Thats what I need 3.5K would be OK at 80mph but 4K feels like I am killing it!

01-02-2008, 08:11	#1
3.0V6 MIGWeb User Join Date: Oct 2003 Location: Cheshire Drives: Elite 3.0 & Cav GSi iTrader: (4) Posts: 249	Corsa TD gearbox question I have had two corsa 1.5TD's I currently run an S plate model one of the last I reckon. Anyway the gear ratios seem different to my old L reg - its doing 4K revs @ 80 mph same as a Sport. I am thinking that vaux just stuck one of the sport boxes on it - I am looking at adjusting the boost etc and happen to have a box from a 2.0 ecotec astra but not sure if it will fit - does anyone know?

04-02-2008, 21:11	#5
DutchNovaDiesel MIGWeb User Join Date: Jun 2004 Location: Twisk, Holland Drives: '97ComboD '93NovaTD iTrader: (0) Posts: 626	It will fit, but it won't help ! Finding an F13 gearbox with Wide Ratio and a final ratio of 3.35 or 3.55 would help (extremely rare though) 4k rpm @ 80 sounds about right for a TD corsa. (probably has the F13 wide ratio & 3.74 FD, see chart): __________________ My Site, cars, digidash->nova, engine rebuild & more inside ! Isuzu TD tuning Nova rear disc conversion !

05-02-2008, 07:52	#7
andy_gte MIGWeb User Join Date: Aug 2007 Location: stockport/manchester Drives: 150 bhp 8v nova iTrader: (2) Posts: 657	i have the f13 mentioned above and its for sale for the right price ;-) __________________ my girlfriend told me nova was a crappy chav's car!! now i'm single

09-02-2008, 07:06	#10
saloongte MIGWeb User Join Date: Oct 2005 Location: leicester Drives: Calibra v6 soon... iTrader: (1) Posts: 112	where will it say what final drive you have? __________________ v6 = porn

01-02-2008, 11:02	#2
holden1968 MIGWeb User Join Date: Jan 2008 Location: north wales iTrader: (0) Posts: 23	box will not fit as engine is not a vauxhall ,izuzu engine used

01-02-2008, 22:16	#3
3.0V6 MIGWeb User Join Date: Oct 2003 Location: Cheshire Drives: Elite 3.0 & Cav GSi iTrader: (4) Posts: 249	Is this the case, I thought the box would have been a vaux one.

04-02-2008, 20:08	#4
3.0V6 MIGWeb User Join Date: Oct 2003 Location: Cheshire Drives: Elite 3.0 & Cav GSi iTrader: (4) Posts: 249	Anyone else?

04-02-2008, 21:58	#6
3.0V6 MIGWeb User Join Date: Oct 2003 Location: Cheshire Drives: Elite 3.0 & Cav GSi iTrader: (4) Posts: 249	Thats really helpful thanks, why will the F18 (i think) from the Astra CDX ecotec not help from what I remember it had a taller 5th gear at least. Not really an expert on ratios etc so more info and help would be appreciated.

05-02-2008, 08:11	#8
3.0V6 MIGWeb User Join Date: Oct 2003 Location: Cheshire Drives: Elite 3.0 & Cav GSi iTrader: (4) Posts: 249	Is it the 3.35 thats mentioned? How much are you looking for?

09-02-2008, 12:54	#13
Jack MIGClub Member Join Date: Dec 2005 Location: Staffordshire Drives: Vectra GLS iTrader: (15) Posts: 14,674	To big block stuff? I'd be tempted to do that anyway, just for reliability's sake.

11-02-2008, 17:59	#14
saloongte MIGWeb User Join Date: Oct 2005 Location: leicester Drives: Calibra v6 soon... iTrader: (1) Posts: 112	mine does 80 at 3k? is it poss i have a 3.35?

11-02-2008, 19:53	#15
DutchNovaDiesel MIGWeb User Join Date: Jun 2004 Location: Twisk, Holland Drives: '97ComboD '93NovaTD iTrader: (0) Posts: 626	Could be, look here: If it says w335 at the end, then you do !

13-02-2008, 20:09	#16
3.0V6 MIGWeb User Join Date: Oct 2003 Location: Cheshire Drives: Elite 3.0 & Cav GSi iTrader: (4) Posts: 249	Thats what I need 3.5K would be OK at 80mph but 4K feels like I am killing it!