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PostPosted: Tue Aug 29, 2006 9:32 pm 
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998cc
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Location: ASQUITH NSW, Engine size:1310
i had the same topic when i started here, thought the mini was flawless untill i drove it on the f3 and i was getting ready to catch the pistons as they fly through the bonnet, spoke to the mg bloke across the road and he said they are a very weak box, too weak for a 1275 and up so im out of the race

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PostPosted: Tue Aug 29, 2006 9:54 pm 
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buztoy wrote:
i had the same topic when i started here, thought the mini was flawless untill i drove it on the f3 and i was getting ready to catch the pistons as they fly through the bonnet, spoke to the mg bloke across the road and he said they are a very weak box, too weak for a 1275 and up so im out of the race

On the F3 in 4th gear the box is doing nothing- it's 1:1 ratio thru it, ie direct drive.
Weak box? Boostedmini on here ran his 1360 turbo on a stocko Mini-K box for over 5 years.
Mk2 S box under my 1360 (125HP approx) has run fine for the last 12 years.
It's all in how you treat it. Dump it at the lights and flat shift 1-2 repeatedly with sticky tyres, sure it'll break. So do WRXs... :lol:

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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PostPosted: Tue Aug 29, 2006 10:00 pm 
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Location: Queanbeyan
:D Doc WRX first pulls the centre out of the clutch and when you put the solid centre clutch in you blow the gearbox instead :lol: the weak clutch was designed to save the gearbox :lol: Subaru thought it was much cheaper to replace clutches than gearboxes

Jon

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PostPosted: Tue Aug 29, 2006 10:34 pm 
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998cc
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Location: ASQUITH NSW, Engine size:1310
its only what i was told,

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http://www.ausmini.com/forums/viewtopic.php?t=44717


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PostPosted: Wed Aug 30, 2006 12:04 am 
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Buztoy,,, the "usual" 5 speed boxes that are avaliable are basically a std box with the 5th gear assy added, so they`re no weaker than std, & in fact have a far larger/stronger leyshaft & bearings as it goes right through the box & is supported at the other end.

There are quite a few "types" of 5 speed boxes avaliable now tho & there is 5 speed boxes with 5th being a 1:1 ratio (in other words no overdrive) they`re typically meant for racing purposes tho.

a std 4 speed syncro gearbox can handle approx 180hp for short squirts with no dramas & will happilly handle 100+ hp for long periods of time

i very much doubt that many people out in the "Average Joe" mini world have over 100hp, let alone 180

& most often the boxes that you hear that give trouble are old worn stuffed ones &/or have allready copped a flogging from being fitted under a race donk for a while & / or have simply not been built well/properly, &/or have had crud/sh!t go through them from some other stoopid internal disaster caused by some other stoopid arsed wally pretend mechanic who thinks he/she knows all about how to build mini power units.

ok,,,i`m done, just got back from squash fixture finals , still buzzing, i`ll have a coffee & a few packets of monte carlos then clean my teeth & i`m off to bed :-)

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No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.


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PostPosted: Wed Aug 30, 2006 12:17 am 
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Location: Under the bonnet son!
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ok,,,i`m done, just got back from squash fixture finals , still buzzing, i`ll have a coffee & a few packets of monte carlos then clean my teeth & i`m off to bed Smile


The lack of shower in that statement worries me....

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PostPosted: Wed Aug 30, 2006 12:31 am 
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yeah, i had the shower as soon as i got home ,before i hit the `puty, & yes i`ll brush my teeth & have a wee wee before i hit the sack mummy...i promise :-)

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No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.


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 Post subject:
PostPosted: Wed Aug 30, 2006 6:04 pm 
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998cc
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Location: ASQUITH NSW, Engine size:1310
by that i am pressuming that it is only the 5th gear that is weak,

well all in all the bloke across the road is the mg parts inporter and salesperson for the mg sports parts in normanhurst, me dad said that he was going to charge him some ridiculess amount for some stag parts and told me not talk to him........maybe i should,

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 Post subject:
PostPosted: Wed Aug 30, 2006 6:31 pm 
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Location: ¿¿ The War Machine's Alive § 99 Luft Balloons ??
buztoy wrote:
me dad said that he was going to charge him some ridiculess amount for some stag parts and told me not talk to him........maybe i should,


Don't you listen to your parents?

Don't you know parents always know whats best for their children!

You are a very naughty boy for not taking notice of your father!

After all. He more than likely has many years of experience in life and dealing with people.

I think you need to be punished for being dis-obedient and dis-respectful.

Now report to the dungeon and await further instructions.

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 Post subject:
PostPosted: Wed Aug 30, 2006 8:41 pm 
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998cc
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Location: ASQUITH NSW, Engine size:1310
your telling me, milf and cookies :lol:

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any parts for a 76 clubby pm me or ring 0405 329 326

http://www.ausmini.com/forums/viewtopic.php?t=44717


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PostPosted: Thu Jan 11, 2007 9:38 am 
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Location: Perth, WA
sports850 wrote:
It is possible to fit the morris 1500 5 speed box gearset into a rod change mini box housing with some bearing mods , but you've got to find a good 1500 5 speed to start with . I should be talking to the guy who did a few about 20 years ago in the next month or so , I'll get back to you with the details .....


Hey Sports, I was just wondering if you ended up getting in contact with this fellow. I have a Morris 1500 5 speed in half decent nick and am looking for more information on this.

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PostPosted: Thu Jan 11, 2007 10:02 am 
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feralsprint wrote:
1970 mini K wrote:
Just a question but why would you build a 16V and then try and kill it by not allowing it to rev, a 16V is designed to rev ......Jon


Love that second harmonic that boots in around 7 grand...music to yer ears :D

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 Post subject:
PostPosted: Thu Jan 11, 2007 10:18 am 
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Location: Nthside Brisbane
willy wrote:
Whats the point? Its not going to be quiet whichever way you go...
I drove to Geelong and back at 3800RPM (100km/h).
Loved it, didn't chew the juice, sustained a decent 7-8L/100km.

Aaaaaaaand I'm about to do Sydney and back in ROCKtober for MDU.


what diff ratio do you have!? faily high rpm for 100km/h
also what engine u have and single or twin carb?
cheers
>Rude<

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 Post subject:
PostPosted: Thu Jan 11, 2007 10:28 am 
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998cc
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Location: Nthside Brisbane
So the 5speed boxes are just std 4spds with a fifth gear added......how much would it be (approx) to just add a 5th gear to your std 4speed box then??? considering this is what the 5speed boxes really are (thats wat i have understood neway)
cheers
>Rude<

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 Post subject:
PostPosted: Thu Jan 11, 2007 10:34 am 
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Location: Adelaide, SA
3.44 diff which late mini's and Cooper S's had does about 110kph at 4000rpm. As said before many Mini's can't accelerate all that well with that diff anyways. It jsut amounts to how much power and torque your car has. Sorry but the stocko 850s are not designed for high speed. Imagine an 850 or a stock 998 with anything higher than 3.44, it would be gutless.

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