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Home > Help Needed / General Tech Chat > grey or orange diaphram

danrock101

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Nottingham

Once I find a gt17 and build the engine back up I'll be fitting the engine. I've got a fully ballanced pre-verto assy with orange clutch, I was going to risk it with orange as you don't need to pull the flywheel to change, but I've just found a grey diaphram in my garage. I guess I'd get away without re-balancing if I changed the diaphram? Would be a pain to have to do it again as it's only just been done.
I'm using the 'rally' type plate from minispares too, I'm hoping this will be good enough, I'm 90% sure it will? I've got a paddle for sale/sold but I didn't want to change the original balanced assy I've got.
The spec is basicly 1380, gt17, 15-20psi, modfied 36/31 head, phase 2, cossy 4x4 intercooler
I did a search and some people say they're getting away with orange at big power then some are having trouble at only 110bhp lol.


apbellamy

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16540 Posts
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King Gaycharger, butt plug dealer, Sheldon Cooper and a BAC but generally a niceish fella if you dont mind a northerner

Rotherham, South Yorkshire

Orange won't hold 15psi. grey will struggle much above 17psi

On 11th Feb, 2015 robert said:
i tried putting soap on it , and heating it to brown , then slathered my new lube on it

*hehe!*


Brett

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Doncaster, South Yorkshire

At that spec you could be pushing around 200nannas the orange wont do much over 130 in my experiance

Yes i moved to the darkside *happy*

Instagram @jdm_brett


Nick
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Midlands

single grey has always been fine at 20+psi with me and kean :)

On 20th Oct, 2015 Tom Fenton said:

Well here is the news, you are not welcome here, FUCK OFF.


John

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Mongo

Barnsley, South Flatcapshire

Do you guys run paddle's?

If something is worth doing, it's worth doing half of.


danrock101

133 Posts
Member #: 9277
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Nottingham

I'll deffo use the grey then! Lol, will be strange going from verto. Would be nice to get into the 200bhp club. Have people with the grey needing oil fed thrusts?


wng691s clubby

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Cleethorpes

i was advised by John that the gray is heavy on the foot and wears thrust bearings quicker im sure he will correct me if im wrong lol

Done now needs redoing lol


BENROSS

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9812 Posts
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Resident Cylinder Head Modifier

Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem

ITs a grey all the way! you need to machine 1mm in my book of the backplate on the 3 lugs. will hold this power






Sprocket

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Preston On The Brook

As Benross says, but rather than just randomly machining 1mm off the lugs on the backplate, take the time to measure the exact amount required to be removed from the lugs so that the cone spring is just a nats fanny 'over center'

there is an excellent guide over on Minimania website that describes why you should do this.

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


wng691s clubby

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Cleethorpes

humm maybe i should consider changing mine on the new build

Done now needs redoing lol


apbellamy

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16540 Posts
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King Gaycharger, butt plug dealer, Sheldon Cooper and a BAC but generally a niceish fella if you dont mind a northerner

Rotherham, South Yorkshire

http://www.minimania.com/web/SCatagory/CLU...94/ArticleV.cfm

On 11th Feb, 2015 robert said:
i tried putting soap on it , and heating it to brown , then slathered my new lube on it

*hehe!*


Sprocket

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11046 Posts
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Preston On The Brook

No

This one

http://www.minimania.com/web/SCatagory/CLU...53/ArticleV.cfm

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


BENROSS

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Resident Cylinder Head Modifier

Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem

thats waht i meant sprocket any machinist worth his salt would do this






Nick
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Midlands




On 4th Aug, 2011 John said:
Do you guys run paddle's?


nope, I used to run the cheapo £18 'uprated turbo clutch' or something like that from minispares, but i swapped to an AP rally plate when i fitted the GT20 as i felt i might be pushing my luck slightly.

We both had our backplates machined at the same time though as kean wound his up to 15psi before me and got clutch slip, £20 later at the local machine shop with 1.5mm taken off the lugs and they've been perfect ever since. (untill my starter motor grenaded mine anyway so i'm running keans flywheel now)

On 20th Oct, 2015 Tom Fenton said:

Well here is the news, you are not welcome here, FUCK OFF.


apbellamy

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16540 Posts
Member #: 4241
King Gaycharger, butt plug dealer, Sheldon Cooper and a BAC but generally a niceish fella if you dont mind a northerner

Rotherham, South Yorkshire

On 4th Aug, 2011 danrock101 said:
I'll deffo use the grey then! Lol, will be strange going from verto. Would be nice to get into the 200bhp club. Have people with the grey needing oil fed thrusts?

We have them on the van as it's a little more protection. We mullered our thrusts and crank the first time round, just running a badly setup clutch.

I will be running a grey on my mini and have had Carl fit oil fed thrusts and the crank will be getting nitrided soon.

On 11th Feb, 2015 robert said:
i tried putting soap on it , and heating it to brown , then slathered my new lube on it

*hehe!*


danrock101

133 Posts
Member #: 9277
Advanced Member

Nottingham

cheers, glad it looks like my rally plate should be up to the job, haven't sold my paddle yet so that's back up.


Johnny

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Accrington

im running approx 180bhp with a grey on a 6paddle AP plate also with 155 torques. Rob at minisport said it was trying to give up, and thats on 14psi o boost. however i havent machined anything off the backplate. so i recon if i did that i could get more grip out of it

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