Mk1 Uno Turbo 1.9 8v

This is my Uno Turbo, some of you might remember my old black mk1 from a few years ago at one of the psc rolling road days,
unfortunately the rot had set in so I decided to scrap the old shell and reshelled it into a utterly mint 10k miles 45-s

to start with

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after many hours days weeks months
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with punto gt1 ecu and mapped by leighton Fcp the engine produced 233bhp
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drove it to the nurburgring and did 8 laps round,
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at santa pod rwyb day I managed a best time of 13.5@105mph
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wasn't happy with the power delivery and all the power being north of 5krpm so set about on a 1.9

1600 sporting block
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1600 non egr valve head fitted with standard 39.5mm inlet and 33mm turbo sodium exhaust valves
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spec of the 1.9 is

piper 270 fast road cam
piper vernier pulley
1.6 cylinder head non egr with 39.5 standard inlet valves and 33mm exhaust valves
ported and gas flowed race spec valves and seats
race spec valve springs
wossner pistons
arrow precision con rods
stilo 78.4mm crank
1600 sporting block
crank with modified oilways
fully balanced
gt flywheel and helix clutch

Looking good. What power output are you hoping for?


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Quote:

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Originally Posted by Puntoboy

Looking good. What power output are you hoping for?


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300bhp is the target On full boost I plan on using a gt28rs, however it is the power delivery I want more with a wide power band from 3-7k

Sounds good!


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Excellent work! Power delivery is very important and often overlooked!

This is going to be an awesome project :)

I've heard a fair few are Going for a 1.9 rather than the 16vt.

i was disappointed with the gt25r I found it really laggy it didn't hit 22 psi til around 5k the engine was 1301cc cr 7.7/1

With the 1900 it was going to be 7.5/1 cr but it's not possible to have it that low I am using Athena mls gasket the thicker one 1.7mm its going the 8.3/1 cr

The rods didn't catch in my block at all I my block but the clearance was only 20 thou so it has been relieved in 6 places to 30 thou

The standard rods don't fit the wossner pistons the top above the small end is too thick you would have to grind too much off to get the pin in

I used the the coolant drain plug on the front of the crankcase for the turbo coolant feed,

I have considered using a gt2560r turbo which I think would still make 280bhp and would be very fast spooling making the car very good to drive on the road,

Looking forward to the end results! Seems an age ago I had all the bits together for a 1.9, I can't even remember what actually happened to it :lol:

Do you have some mounts made up to mount the front-mounting blocks in to your Uno?

the uno turbo engine mount fits onto the side of the block via the 3 big bolts, it doesnt mount on the front like in a gt

Thats sort of what I was getting at. So in the last side on pic its those three big bolts? So that block has provision to mount either-or??

basically yes, all sohc engines have those 3 bolts to mount the uno turbo engine mount, only the 1600 and 1400 punto engines have the mounts which go onto the front of the block so its easy to fit a punto engine into a uno but not so easy to fit a uno engine into a punto

1.9l stroker engine finished

http://i106.photobucket.com/albums/m...psi1iukc0j.jpg

Looking good.


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the 1.9l engine is now in, just need to finish it off, had to fit a custom pump to rail fuel line as I am using a gt inlet manifold now, had a few other custom parts including the laminova (water cooled oil cooler)

not yet started her up yet but its getting there, had my 14" wheels powder coated in gun metal, cant decide which I prefer them or the ultraleggeras
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Looks very nicely done and very 'stock' too.

Looks really good.
Did you have to made a custom manifold and exhaust system?

stock gt exhaust manifold, exhaust system is dr evil elbow with custom 2.5" stainless with 2 silencers

No ABS or power steering, thats a man machine eheh
Will you install a LSD?

no abs or power steering, quaife lsd already installed

One detail I saw... you´re using GT valve cover on 1.6 head right?

No I am using original 1.6 cam cover

http://i106.photobucket.com/albums/m...psrnwaukbi.jpg

Mapping has been done now by Fcp and the results speaks for themselves

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Wow, I bet it fly's with 230bhp at the wheels :)

280 at wheels

Oh yeah, sorry I was looking at low boost :)

That must be insane​ now.

yep with over 300bhp and 300lb ft, spool is rapid and engine is super responsive, its scary fast, I ended up using the gt2560r turbo, dont think there is any need to go bigger

low boost is 12-13 psi and high 17psi

Very useful power.
Awesome little car