General Uno Engine Swaps

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General Uno Engine Swaps

as the seller told me its punto 70 engine and it look the same one in yor pic and yes its single point injection but with oval ports
and this day was my frist race and top speed was 180km
do u think i can get more?
but i feel the Acceleration was very poor

and i told u befor i instaled my original carburator with its manifold
i need to see a pic for your adapter plate and a weber and your custom manifold if u can plz
 
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http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=320661680479&ssPageName=STRK:MEWNX:IT

this is the adapter plate

http://cgi.ebay.co.uk/WEBER-32-34-D...arts_Vehicles_CarParts_SM&hash=item53de69dc91

and this is the carb...

they should fit on a stock punto MPI manifold....

I haven't assembled them yet....since I have not recieved the adapter yet.....

The exhaust does fit but it might touch the cross member thats why i used the spacers....

The starter might be from a different model for example and you might have the 5 speed gearbox, making the flywheel slightly different.
 
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ah now i got it i'll go serch in our shops
if i find other carb with 2 door with its manifold we can fit without modfing like the one in the pic i'll till u
and yes my gearbox is 5 speed and my uno not made in italy i have Polish uno and i see some defrent btween my engine and italy uno engine
thx my friend for your hellping :)
 
Took a new direction and switched to a weber 32/34 DMTL for greater stability and smoother idle....

The manifold is a punto 75 with modified injector holes and custom adapter flange....

A k&n filter to fit the carb and 4-2-1 stainless manifold are in on the way...
 

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that sound good i need to do that but i need to wait next month i dont have more mony to do it :D
 
Took a new direction and switched to a weber 32/34 DMTL for greater stability and smoother idle....

The manifold is a punto 75 with modified injector holes and custom adapter flange....

A k&n filter to fit the carb and 4-2-1 stainless manifold are in on the way...

Great work! :)

Thanks for letting us know what parts you used to make it fit and work.

-Alex
 
welcome mate! I see you're a Fiat / Alfa driver as well :)...

a couple of details on the punto 75 manifold...the injector holes need to be blanked out... I used a 3/8" taps to thread the holes and used plugs... one of the injector holes need to have an elbow fitted so you can attach the vacuum hose to it....

The reason it the standard elbow at the back of the engine protrudes too much and dosnt fit coz of the firewall....so it needs to be removed and plugged accordingly....

just adding some more detail to avoid surprises
 
After two months of painstaking work the engine is nearly complete; its missing only the 4-2-1 stainless manifold which the Italians are taking ages to finish and ship....

Had to run significantly larger jets to get the engine responsive and aggressive

55/110 primary
70/110 secondary

mixture seems ok, starts easily, runs ok ...plenty of power....lets see what a manifold and a full exhaust does to this baby...
 

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yes its on the way here....Should be here in a couple of days...In the meantime I finished the lambda probe harness with waterproof oem connectors and oem cable trunking and hooked up the a/f gauge....so once i get the manifold, i'm good to go...
 
And finally the Italians did send the manifold :) after a few mods and a few welds to attach the centre section of the exhaust...here it is....

The lambda probe also gave me a good indication of mixture settings....

idling and revving up to 2500-3000 rpm...mixture ok to slight rich...so i kept he same settings and same idle jet

above 3000 rpm... mixture lean off the scale...swapped jet to one size bigger (115) and mixture remained stable up to above 5000 rpm

with the above settings under full throttle ....engine is lean once again...tomorrow i will swap the secondary main jet....

i got a massive boost in power by swapping the primary main....i couldnt believe it...
 

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Re: Uno Engine swaps

hi everyon, i got a fiat uno 1100 carb. i want to put a 1400 engine in. has anyone done it yet, if so, is there anything that you have to change other than just the computer box. changes in like mountings and gearboxes and others.

if that wont work, is there any change needed on putting a fuelinjection intake and everything on the engine.

thanks all, hope to hear from someone soon
 
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