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Author Final drive swap tutorial.
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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18th Mar 07 at 20:24   View Garage View User's Profile U2U Member Reply With Quote
Easy.
Mattb
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Registered: 2nd Feb 03
Location: Under your sisters bed
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18th Mar 07 at 20:27   View User's Profile U2U Member Reply With Quote
i love the insides of gearboxes

Looks like fun dave
RKS
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Registered: 2nd Mar 04
Location: Gloucestershire UK
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18th Mar 07 at 20:34   View User's Profile U2U Member Reply With Quote
Excellent tutorial mate!

What effect does changing the FD have on the speedo reading? (if any)
Dave A
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Registered: 10th Dec 03
Location: County Durham
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18th Mar 07 at 20:36   View User's Profile U2U Member Reply With Quote
for a mod that takes about 1/2 a day and costs about £70 to do inc sealant and gearbox oil, I cant believe I havnt done this on mine sooner. its a totally different car to drive

car will coast everywhere in 5th, even down to 15/20 mph so I never need to change gear but the best bit is how it accelerates. its a massive improvement, gets to 110 so quickly now and after every gearchange its right back into the powerband

to test it theres a quiet stretch of dual carriageway with 2 roundabouts on it. I used to be able to get from one, get to about 90, have to brake hard (using the speed camera sign as my braking point ) then go round the next one. now I can quite easily hit 115 before having to brake but I in no way condone driving like a tit when other cars are around.
Dave A
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18th Mar 07 at 20:37   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by --Rikki--
Excellent tutorial mate!

What effect does changing the FD have on the speedo reading? (if any)


doesnt affect the speedo reading in any way.
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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18th Mar 07 at 20:37   View Garage View User's Profile U2U Member Reply With Quote
Gearboxes aren't complicated anyway Dave, it's a myth.
Dave A
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18th Mar 07 at 20:40   View User's Profile U2U Member Reply With Quote
hopefully this tutorial will help more people realise that rob
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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18th Mar 07 at 20:42   View Garage View User's Profile U2U Member Reply With Quote
Doubt it, there is one specific reply I'm expecting

I think it's all the cogs, just makes people panic
abdus
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Registered: 23rd Feb 06
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18th Mar 07 at 20:46   View User's Profile U2U Member Reply With Quote
so it can be done to any engine?

sounds good

[Edited on 18-03-2007 by abdus]
Ian
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Registered: 28th Aug 99
Location: Liverpool
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18th Mar 07 at 21:00   View Garage View User's Profile U2U Member Reply With Quote
http://www.corsasport.co.uk/board/viewthread.php?tid=347686

Moved now, cheers Dave, great tutorial.
Dave A
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18th Mar 07 at 21:00   View User's Profile U2U Member Reply With Quote
yes, its easy to do on the f13 and most of the F15 boxes (some f15 boxes have the pinion cog as part of the shaft so cant be removed, the complete gear shaft needs replacing)
Gary
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Registered: 22nd Nov 06
Location: West Yorkshire
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18th Mar 07 at 21:01   View Garage View User's Profile U2U Member Reply With Quote
Gearbox insides look scarey

[Edited on 18-03-2007 by Gary]
RKS
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Registered: 2nd Mar 04
Location: Gloucestershire UK
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20th Mar 07 at 21:57   View User's Profile U2U Member Reply With Quote
have a couple more questions about this as im thinking about doing this mod.

is it worth doing on an everyday car? (i drive to work down windy roads and a bit of town driving) or will i be up and down the box too often for it to be practical?

what sort of reduction on top end would i be looking at? 10mph? 20mph?

and what sort of rpm would the engine need to be running at to cruise at 70 in fifth on the motorway? (on an F13)

cheers for any advice
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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20th Mar 07 at 23:14   View User's Profile U2U Member Reply With Quote
May I add a couple of points?

I find the gear cassette is easier to remove and install with the reverse light switch removed!

The oil should not be filled through the 13mm level plug on the diff.
It should be filled through the 17mm breather on the top turret until it runs out of the 13mm level plug (or just tip it in before you put the turret back on). Filling through the 13mmm level does not get enough oil in the box.

Personally I would use a little locktite on the crownwheel bolts. And a good quality RTV silicone can be used in place of blue hermetite!

Ainsley
Nismo
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20th Mar 07 at 23:50   View User's Profile U2U Member Reply With Quote
This mod is very common on the S2000's
Steve X16XE
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Registered: 31st Dec 06
Location: Barnsley, South Yorkshire
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20th Mar 07 at 23:58   View User's Profile U2U Member Reply With Quote
I'm going to do this to mine and an LSD. You going to do a tutorial on that to?
Dave A
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Location: County Durham
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21st Mar 07 at 10:14   View User's Profile U2U Member Reply With Quote
doing an LSD is the same process, just replace the standard diff with the LSD when its out
Rob B
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Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
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21st Mar 07 at 10:15   View User's Profile U2U Member Reply With Quote
Dave by a saxo and tune it the same so i can get some idea's
Dave A
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21st Mar 07 at 10:17   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by ainsley_brader
May I add a couple of points?

I find the gear cassette is easier to remove and install with the reverse light switch removed!

The oil should not be filled through the 13mm level plug on the diff.
It should be filled through the 17mm breather on the top turret until it runs out of the 13mm level plug (or just tip it in before you put the turret back on). Filling through the 13mmm level does not get enough oil in the box.

Personally I would use a little locktite on the crownwheel bolts. And a good quality RTV silicone can be used in place of blue hermetite!

Ainsley


reverse light switch removed, didnt have a problem with that, might be worth doing though agree 100% on the oil filling method, much easier to do it through the top as well. I used new crown to diff bolts but if you are reusing the old ones than as ainsley said, use a drop of threadlock on the threads, make sure its torqued up properly.

good points ainsley
Dave A
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21st Mar 07 at 10:19   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Rob B
Dave by a saxo and tune it the same so i can get some idea's


we do loads of saxos at Vsport, and 106 gti's.

anything in paticular you want to know? happy to take some pics of how to do things on them.
Dave A
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21st Mar 07 at 10:23   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by --Rikki--
have a couple more questions about this as im thinking about doing this mod.

is it worth doing on an everyday car? (i drive to work down windy roads and a bit of town driving) or will i be up and down the box too often for it to be practical?

what sort of reduction on top end would i be looking at? 10mph? 20mph?

and what sort of rpm would the engine need to be running at to cruise at 70 in fifth on the motorway? (on an F13)

cheers for any advice


If anything, for driving round town and windy roads its a lot better, much easier to cruise round everywhere at 30 in 5th, doesnt bog down in the low revs. a lightened flywheel compliments this mod perfectly as well.

the downside is motorway driving, to sit at 70mph engine runs at about 3650 rpm, 80 is about 4100 rpm. (so about 500rpm higher than my old FD)doesnt bother me as I dont do lots of motorway driving, hasnt affected economy at all that I have noticed.
Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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21st Mar 07 at 10:24   View User's Profile U2U Member Reply With Quote
WTF why is the post author by Dave A but first comment by Robin Reliant??
Dave A
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21st Mar 07 at 10:28   View User's Profile U2U Member Reply With Quote
my 1st post was the tutorial which has been moved to the tutorial section.
Cybermonkey
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Location: Sydney, Australia
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21st Mar 07 at 10:28   View User's Profile U2U Member Reply With Quote
gay
Rob B
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Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
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21st Mar 07 at 10:30   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dave A
quote:
Originally posted by Rob B
Dave by a saxo and tune it the same so i can get some idea's


we do loads of saxos at Vsport, and 106 gti's.

anything in paticular you want to know? happy to take some pics of how to do things on them.


more just stuff like this cause its really intresting the difference a gearbox can make

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