7 speed gearbox

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Re: 7 speed gearbox

Postby lotusgirlmarie » Tue 05.08.2014, 18:29

Wish I had the extra cash for this.....
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Re: 7 speed gearbox

Postby Fredjohn » Tue 05.08.2014, 18:43

lotusgirlmarie wrote:Wish I had the extra cash for this.....


You can pay in wooden dollars if you want................ :lol: :lol:

Scott wrote:do we still make 6+1 gearbox? If yes im in please.


Scott: please note the creation date of the latest group buy list :lol: :lol: :lol:
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Re: 7 speed gearbox

Postby Scott » Thu 07.08.2014, 16:33

Fredjohn wrote:
lotusgirlmarie wrote:Wish I had the extra cash for this.....


You can pay in wooden dollars if you want................ :lol: :lol:

Scott wrote:do we still make 6+1 gearbox? If yes im in please.


Scott: please note the creation date of the latest group buy list :lol: :lol: :lol:


Yes i have seen the dates of every [ost as i have seen lists still counting.. so.. did it ever happen??
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Re: 7 speed gearbox

Postby Fredjohn » Thu 07.08.2014, 17:56

Scott wrote: Yes i have seen the dates of every [ost as i have seen lists still counting.. so.. did it ever happen??


Don't wish to spoil the fun, but Scott please look up 1st April from a UK viewpoint on wikipedia. You may then understand why the list is still ongoing. :lol: :lol: :lol:

Unless of course you know a good cheap gearbox maker in Greece who will delight us all and make some boxes whilst at the same time solving the Greek economy. :D :D
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Re: 7 speed gearbox

Postby Scott » Fri 08.08.2014, 10:07

Fredjohn wrote:
Scott wrote: Yes i have seen the dates of every [ost as i have seen lists still counting.. so.. did it ever happen??


Don't wish to spoil the fun, but Scott please look up 1st April from a UK viewpoint on wikipedia. You may then understand why the list is still ongoing. :lol: :lol: :lol:

Unless of course you know a good cheap gearbox maker in Greece who will delight us all and make some boxes whilst at the same time solving the Greek economy. :D :D


well i had a talk with a german company that makes gearboxes etc maybe a group buy would be possible and we should think between 1500-2000euro per box dont know if we could go less. It's worth to try though
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Re: 7 speed gearbox

Postby Fredjohn » Fri 08.08.2014, 10:39

1500-200 euros sounds a bit steep. Think maybe 150-200 pounds would be more suitable for the majority on the list.

But if we were to pay in wooden dollars the sky is the limit.

I think therefore we should proceed based on wooden dollars, but still think Wikipedia is worth a read :bonk: :bonk:
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Re: 7 speed gearbox

Postby Piperman » Thu 16.10.2014, 20:15

Hi are you still making 7 speed boxes ? and costs Derek
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Re: 7 speed gearbox

Postby HJ2 » Thu 16.10.2014, 20:30

Piperman... I think it is time to read this topic again from post one and then repeat your question :smt115
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Re: 7 speed gearbox

Postby Rambo » Thu 16.10.2014, 21:13

Dico has donated me a 7 speed gearbox from his Scania. I am getting my mechanic to install it with all its inherent headaches :twisted:
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Re: 7 speed gearbox

Postby HJ2 » Thu 16.10.2014, 21:24

Sounds impressive, but my CTV is operating fine since the swap. Who knows, perhaps i'll buy the Scania when the Van Doorne's Transmission breaks down on a track day :lol:
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Re: 7 speed gearbox

Postby GeoffSmith » Thu 16.10.2014, 21:28

Rambo wrote:Dico has donated me a 7 speed gearbox from his Scania. I am getting my mechanic to install it with all its inherent headaches :twisted:

Scott's used his bike's 15 speed on the tartmobile.


How's the Anonabox going J2H from leftD? :lol:
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Re: 7 speed gearbox

Postby lotos » Thu 16.10.2014, 21:29

This new ZF 9-speed transmission is designed to fit FWD vehicles. Why are we farting around with only a 7 speed and a manual? Let's get real people. It's 2014. People don't want to row the gears anymore. They want autopilot, super complicated convertible top operation, and over 700 horsepower. If we can't mod our cars to meet these demands they'll become relics of a time gone past.
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Re: 7 speed gearbox

Postby Scott J » Fri 17.10.2014, 22:53

I've never heard of a 15 spd bike, mine have 20. Mazdas do good 6 speed boxes, vastly superior to Porsche boxes according to all he exports but then again, not FWD so no use.
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Re: 7 speed gearbox

Postby HJ2 » Sat 18.10.2014, 06:55

lotos wrote: If we can't mod our cars to meet these demands they'll become relics of a time gone past.



'become'? :lol:
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Re: 7 speed gearbox

Postby Tuga2112 » Tue 28.10.2014, 22:25

apart from the fact this is an april's fool's post.

on a serious note (as its not been april for a long time)
are there any 6 + 1 speed gearboxes that fit the elan ?

assuming the answer is yes,
what kind of prices are we talking about?
is this something that can be fitted at home by a tenacious (and skint) DIYer?
what kind of difference in fuel efficiency would be expected of a 6th gear cruising at 70mph compared to the standard gearbox ?

i'm asking mostly out of curiousity, however knowing if just thing exists may flag some interests in possibly getting on in the long term
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Re: 7 speed gearbox

Postby dapinky » Tue 28.10.2014, 23:39

Joao,

The simple answer is NO.....

.... but it can be done.

Any Vauxhall gearbox will have the same bellhousing bolt pattern (well, anything from the right era, up to today).

So Technically, the Getrag F28 'box will fit the engine, but the driveshafts will need adapting.... also, it was only ever intended as a 4X4 'box, but can be adapted (many Astra/Cavalier owners have done so with a 'blanking' piece. There were concerns about the torque rating of the box, but it mainly concerns the transfer box to the rear wheels, which wont matter in a FWD application....

....also the newer M32 box will fit.

Either will give 6 speeds, but due to the lower final drive ratio, it won't really help the cruising revs in top gear - just giving you more ratios in between 1st and 6th - with the power/torque curve of the elan, I can't really see it's worth.

Also, the M32 box has issues with bearing failure which can affect gearboxes with anything over 50K miles (everything you're likely to find S/H) - rebuilds are expensive (circa £600).

So, with the new clutch you'll need, and the driveshaft conversion, and finding a good gearbox it's not straightforward....

...then there's the gear selection (cables on the elan, rods on the Vauxhall).....

...oh, and the gearbox is 2" shorter, so the engine needs mounting 2" further to the left so it needs work on the mountings....

Basically, lots of work for little end result (In my opinion).
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Re: 7 speed gearbox

Postby rip » Wed 29.10.2014, 11:34

I looked into the GM F28 for my Calibra because I thought a 6th may be beneficial.
It is heavier than the 5 speed box I currently have & takes different size driveshafts.
I understand it was designed to work with the C20LET (turbo) engine & only just run off-boost when cruising at 70mph so the turbo spools up when you put your foot down.
The Elan's 5th is set up to do exactly this too.

One of the design features of the Elan is that the driveshafts are the same length. It sounds like a different gearbox would require a different driveshaft/jackshaft setup?

I believe that gearbox may be the most similar replacement. It would be trial & error with gear ratios unless you do your maths very thoroughly.
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Re: 7 speed gearbox

Postby theelanman » Wed 29.10.2014, 11:53

wow...... who'd have thought a Dico topic actually getting sort of serious.....
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Re: 7 speed gearbox

Postby rip » Wed 29.10.2014, 15:23

theelanman wrote:wow...... who'd have thought a Dico topic actually getting sort of serious.....

Probably the only one.
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Re: 7 speed gearbox

Postby Tuga2112 » Wed 29.10.2014, 19:20

Thanks for the info guys.

dapinky wrote:Either will give 6 speeds, but due to the lower final drive ratio, it won't really help the cruising revs in top gear - just giving you more ratios in between 1st and 6th - with the power/torque curve of the elan, I can't really see it's worth.


the main reason i asked was if there was fuel consuption difference. (i would suspect there would also be a higher top speed if you decided to risk your licence... or gone to germany) i dont particularly like the gearbox as is, (im used to toyota ones ever since i started driving) but taking into consideration what you guys say it doesnt seem worth bothering with, at least while the one i got works :)
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