need your advise
Turbo Mini Forums

Hi all.
Right i need your advise. im gonna go 12 psi max on my standard engine/gearbox which has the new 4 pin diff from min-its. but will be getting an uprated head intime. what is the max psi i could go for on my box ? or should i go for s/c gears ? and are these the ones i go for. http://www.minispares.com/Product.aspx?pid=36035
Some help would be ok ....
Thanks...

Shit Happen's

opps, must be these.. not sure ?
If not, what ones..

http://www.minispares.com/Product.aspx?pid=36527
Thanks

Shit Happen's

The last ones are for Spridgets. Is that what you've got?

The first set is good, but I'd reccomend the ST ones due to more bearings on the layshaft.

i wouldn't say they're necassary running 12psi tbh if your box is in good nick. i would consider SC drop gears though.

if you do get SC gears then its the ones in the first link you want

I think Robert was only using 12PSI!! lol

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1/4mile in 13.2sec @ 111 terminal on 15psi

This is my gearbox http://www.turbominis.co.uk/_photos/random...os/694/3953.jpg
So the ones with the yellow dots, there the ones i change..

What about these.. do these have to be changed ?
http://www.turbominis.co.uk/_photos/random...os/694/3954.jpg

These the ones http://www.minispares.com/Product.aspx?pid=35964

Shit Happen's

Those are 2 of the 3 drop gears. Try to get a S/C set if budget allows, or they'll probably pop sooner or later.

Have you got a link with a set.. cant find them on the minispares site.. cheer

Shit Happen's

Here's the link to Roberts woes..

http://www.turbominis.co.uk/forums/index.php?p=vt&tid=168594

TBH, by the way he drove at Avon, its no suprise...a true believer in "drive it like you stole it"..lol

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1/4mile in 13.2sec @ 111 terminal on 15psi

Called minispares and they said this is all i need ? http://www.minispares.com/Product.aspx?pid=35964
What else do i add to it.. give us some links pretty please.. so i know what else i need.... thanks alot..

Shit Happen's

Pre A plus??

That link is wrong, or they have told you wrong.

What you need depends on how much you want to spend and how you will drive the car.

If you have little money then stick to the standard gearbox, with a set of straight cut drop gears (c£200) and drive it GENTLY, e.g. no massive wheelspin starts etc.

If you have a bit more money add to this a cross pin diff (another c£200) to make the final drive stronger, you can give it some more stick now.

Finally if you have long arms and shallow pockets spend another £600-odd and buy a full straight cut gearset, and all the bearings etc in order to build it into a gearbox casing, you will then have nigh on the strongest gearbox possible without spending thousands, and also a fully rebuilt gearbox from when you fit it all or have someone fit it for you.

Shit Happen's

Are these the ones... http://www.minispares.com/Product.aspx?pid=36784
Hmm i wanna cheaper option lol ..
Could someone with more info then my pee brain, give me a link on the right stuff i want to work with a standard box. dont want to spend loads... like i said, im running at 12 psi. thanks alot

Shit Happen's

Stick an Add in the wanted section of this forum for drop gears Mini_uk. might be lucky mate.

Thing is, i need them asap :) could you give us a link so i know what im getting. coz ive looked on the site but i must be looking at the wrong thing..are straight cut drop gears what ill be changing in side the gearbox ? bin cofussed. as i read there is straight cut gears, and cheers...

Shit Happen's

sorry to be a pain.. are these what im looking for lol http://www.minisport.com/classic-mini-shop...it-product.html

Shit Happen's

No you want 4 syncro. Those gears are for the earlier remote type gear box's.

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1/4mile in 13.2sec @ 111 terminal on 15psi

I understand it all now :)
Right as im after a straight cut box.. is it worth getting straight cut drop gears to go with it //// or would it be fine with out it..
Thanks

Shit Happen's

Hi,
The drop gears are probably more important than the main gears if you're on a budget.
Or stick with standard and keep the boost down, and drive it simpatheticaly (sp?)
Cheers,
Gavin :)

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My Mini build diary

It's easy enough to rig up something to limit boost in 1st gear which is the main course of smashed standard boxes in my experience.

You need to be very careful when you inspect / rebuild the gear box but you can definately (with sensible driving) run upto about 140bhp (120 - 125 lb/ft typically) through a standard set-up.

I am currently trying to get 5 minutes to draw breath early enough in an evening to do some machining and have a scheme for helical drops running with better support / lubrication (1 set done and still working after several years in a 160 bhp motor now in a 122bhp NA engine).

The main problems with the drops is the thrust loads causing wear which in turn causes loading / alignment issues which in turn can effect the health of the main box if your really unlucky.

I really dislike SC anything in a road car, drove friends Mini at the weekend (1430 NA with weber , SC drops, SC gearset but loads of sound proofing) and couldn't hold a covnersation in it at all .... took him out in Candice's MPi after and although she's a little slower (supprisingly not much .... think his tuning is way off) he couldn't believe how nice the MPi is to be in compared to his car ....... worth bearing in mind if a daily driver.

I took all my SC stuff out of my car, turned the boost down to make sure it lasted and fitted loads of sound proofing ..... in the end the only option was to rip out the turbo lump and go for a nice quiet NA lump when I had to use the car as a daily.

If it's not a daily then go for a full SC set-up as it'll last well in most motors and does sound the biz for 15 mins of track time .... so long as you have an hour between runs to recover your sense of hearing

Every day is a school day ...........

How fast and how expensive ...... the same question...

TBH I really don't or should I say didn't (still yet to drive without sound deadening) mind driving with SC drops and box, when your cruisinng along I found road noise louder than the gears!

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1/4mile in 13.2sec @ 111 terminal on 15psi

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

On 15th of Aug, 2007 at 01:49pm matty said:
Here's the link to Roberts woes..

http://www.turbominis.co.uk/forums/index.php?p=vt&tid=168594

TBH, by the way he drove at Avon, its no suprise...a true believer in "drive it like you stole it"..lol

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM