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Home > Help Needed / General Tech Chat > how muh power from r5 turbo

benspickup

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Lincolnshire

How much power/boost can you get from a r5 turbo on mirage manifolds,? my engine would be a 1310 running a ic phase2 cam, dizzy and carb from a metro turbo. just trying to figure ifits worth spending the extra on a hybrid turbo. Cheers Ben


minimole23

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Wiltshire

Fit a gt1752 instead:)

On 7th Oct, 2010 5haneJ said:
yeah I gave it all a good prodding


benspickup

43 Posts
Member #: 9608
Member

Lincolnshire

will that still fitwithout bulkhead modson the mirage manifolds?Is it the one off a saab 93 i need? cheers ben


minimole23

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Wiltshire

Well you will need to fabricate a downpipe, they were fitted to saab 93 and 95's

They do fit the manifold but you will need to grind a bit of the back of the block and comp housing if I remember correctly, People who have actually fitted one to a mirage manifold will be more qualified to comment then me.

On 7th Oct, 2010 5haneJ said:
yeah I gave it all a good prodding


alaskanow0

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Mansfield

I think around 140bhp and 14 psi, then the R5 T2 becomes uneffeicent. 180 as been achieved, but pushing it. The GT1752 is more modern and as less inertia, but T2 is still far better than the T3 and still a good turbo for up to 140bhp.

Just be careful if you go for a hybrid, I bought one and got carried away with biggest is best, and the turbo became very expensive and only made full boost at 6k. I'm now running a standard spec R5 T2 with 360 thrust and it's 10 times better for road use.

Edited by alaskanow0 on 22nd Jan, 2012.

Class C 3rd Place Avon 2011 14.18 @101mph


Craigie-B

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Wootton Bassett

Im looking at a t2 purely because its much easier to fabricate a down pipe - or id have gone gt1752

On 10th Mar, 2012 theoneeyedlizard said:

Hypothetically speaking, where would you stick your nozzle?


On 22nd Jun, 2012 apbellamy said:
my wife doesn't know what.head is never mind compression ratio.


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

gt17 was easy. i spent £40 on a new saab downpipe. took me a couple of hours to cut and shut it to fit

Edited by apbellamy on 23rd Jan, 2012.

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!*


wil_h

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Betwix Harrogate and York

What power do you want? Looking at the T2 map I have you're looking at 140 efficiently (12 to 13 psi). Above this you'll end up in the 60% region.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph



On 2nd Jan, 2013 fastcarl said:

the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


Craigie-B

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Wootton Bassett

140 is a little bit more than im after ~130 at 10psi is the target *smiley* so t2 should be ideal

On 10th Mar, 2012 theoneeyedlizard said:

Hypothetically speaking, where would you stick your nozzle?


On 22nd Jun, 2012 apbellamy said:
my wife doesn't know what.head is never mind compression ratio.


benspickup

43 Posts
Member #: 9608
Member

Lincolnshire

.well., if I could get a easy 140 bhp for everyday that,d be good I mainly want something that is useable, I don,t mind a bit of character as I'm used to running a296 cam in my cooper. Is the turbo off the Saab water cooled ike the r5 one? aslong a there,s no bulkhead mods il be happy, fabricating a down pipe is no robs as. Work in a fab shop!

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