Race Engine Forum UK

Manufacturer:
Fiat
Model:
Uno 16v
Year:
1990
Color:
Florença Blue
Owner:
Flavio R P Fraga
Preparation:
AD Performance
Class:
Street Tração Dianteira (Street front traction)
Number:
11
Weigth with pilot:
975kg
Fuel capacity:
50Litres
Engine Type:
DOHC 16v
Engine location:
Front
Engine alignment:
Transverse
Bore and stroke:
87x67,4mm (86,4x67,4mm stock)
Bore/Stroke ratio:
1,10 (1,28 stock)
Displacement:
(1581cc stock)
Unitary capacity:
(395.25 cc/cylinder stock)
Fuel system:
MPI
Aspiration:
Normal
TBI:
60mm
(54mm stock)
Compression ratio:
13:1
(9,35:1 stock)
Fuel:
Alcohol
Max. output:
N/A max. at 8.058rpm
Max. torque:
N/A
Max. RPM:
8.058rpm
Pistons:
87mm, Original Fiat Palio 16v (+ 0.60mm)
Rods:
Original Fiat
Crankshaft:
Original Fiat
Rings:
Original Fiat
Fly wheel:
Palio 1.6 16v, Original Fiat
Clutch:
Displatec
Gear box:
Palio 16v 1996
Transmission:
5M
Top gear ratio:
0,96 (0,87 stock)
Final drive ratio:
4,35 (14/61) 70% block (3,7 stock)
Head gasket:
Palio 1.6 16v, Original Fiat
Head:
Palio 1.6 16v 1996, Original Fiat, by Pro Heads.
Valve springs:
Palio 1.6 16v 1996, Original Fiat
Cams:
288 inlet, 276 exaust
Fuel pump:
Palio 1.6 16v 1996, Original Fiat 3,5bar (3,0 stock)
Fuel tank:
Uno 50L, Original Fiat
sparks:
NGK BKR 6E
Exaust:
4-1 2,5inch
Suspension:
Uno turbo, Original Fiat
Bumpers:
Uno turbo
Brakes:
Tempra turbo, disc in 4 wheels, Original Fiat
Wheels:
Marea Turbo 15" x 6,5" Original Fiat
Tires:
Toyo Proxes T1R 195/45/15
Seats:
2 Lico Start
Seats belts:
Lico Victory 3"
Instruments:
-Palio 1.6 16v 1996
Steering wheel:
Palio Weekend Sport (Momo), Original Fiat
Best times:
350meters in 13,7seconds at 148km/h, oficial, (12/06/05 Brasília)
350meters in 13,2s, training (23/06/06 Brasí­lia)
Support:
-Esave veiculos
-Deró A&L
Pictures

Excellent post Flavio!

Well done for writing with such a superb well-organised article about your superb car, and for displaying excellent photos in a really professional style.

This must have taken quite some time to write, and it's great to see.

Nice to have you 'on board'!

GC

Guy Croft wrote:Excellent post Flavio!
Well done for writing with such a superb well-organised article about your superb car, and for displaying excellent photos in a really professional style.
This must have taken quite some time to write, and it's great to see.
Nice to have you 'on board'!
GC

Thank you!
I up date the post, with new pictures off 2006.

Hello Flavio,

really good work, kudos go to you!

I have a few technical questions to you:
1) The crankshaft you used was described as stock Fiat part. Is it the crank found in newer 1.6 16v engines (with 80.5mm bore)? If not, where is it coming from?

2) You used stock conrods and stock pistons. How did you compensate for 10mm bigger stroke then? I was thinking of using aftermarket 5mm lower compression height pistons to compensate. Can you please give details which pistons you used?

3) Even with 67.4mm stroke, oil gallery casting on front of the block has to be machined slightly to clear the rods. On all SOHC 1580ccm engines, this is done in factory. However, it seems like going further with stroke would require much material to be removed, effectively breaking into the oil gallery. Do you have a pic of your engine bottom end, viewed from crank side?

4) On 1580ccm 16v engines, there are no threaded holes to carry right engine mount. Furthermore, custom engine mount has to be fabricated to clear the timing belt. Do you have photos of the engine mount made and how it has been attached to the engine?

All the best and continue the good work,
Nikola

What block do you drive?
Have you pictures of your brake?
I will see if it the same like the uno's in europe :)

NickRP wrote: Hello Flavio,
Really good work, kudos go to you!
I have a few technical questions to you:
1) The crankshaft you used was described as stock Fiat part. Is it the crank found in newer 1.6 16v engines (with 80.5mm bore)? If not, where is it coming from?

Yes my Crankshaft is a stock Fiat part from a Brava 1.6 16v 2003 (80,5X78,4mm).

NickRP wrote: 2) You used stock conrods and stock pistons. How did you compensate for 10mm bigger stroke then? I was thinking of using aftermarket 5mm lower compression height pistons to compensate. Can you please give details which pistons you used?

My rods are smaller (from a Fiat Uno 1.3, not Fire), and my pistons (stocks) are lowered.

NickRP wrote: 3) Even with 67.4mm stroke, oil gallery casting on front of the block has to be machined slightly to clear the rods. On all SOHC 1580ccm engines, this is done in factory. However, it seems like going further with stroke would require much material to be removed, effectively breaking into the oil gallery. Do you have a pic of your engine bottom end, viewed from crank side?

I dont have this pictures, but with this rods used in my car, its was not necessery removed so much material.

NickRP wrote: 4) On 1580ccm 16v engines, there are no threaded holes to carry right engine mount. Furthermore, custom engine mount has to be fabricated to clear the timing belt. Do you have photos of the engine mount made and how it has been attached to the engine?
All the best and continue the good work,
Nikola

I made my engine mount, with a modify stock engine mount off a Fiat Uno 1.6 8v.
And add two more mounts, one from a Fiat Tempra, and one "gear box mount" from a Fiat Uno 1.6 86.
Total: 2 engine mounts and 3 gear box mounts.

Sorry about the lately answer

My new video able in:
http://www.youtube.com/watch?v=9kmVVOoPp9g&eurl=

Acki wrote:What block do you drive?
Have you pictures of your brake?
I will see if it the same like the uno's in europe :)

Palio 1.6 16v 1996 stock block.
I have only this pictures at moment.

Is that a Brasilian Bravo/Brava with 78.4mm stroke? The Bravo/Brava/Marea 1.6 16v engine has the same bore/stroek as the 1.6 sohc (86.4x67.4mm)

Yes, it's called "corsa lunga" or "long stroke" in italian... both versions are produced in argentina and exported for italy and brasil... They're used in Italy in Doblo, Stilo and in the Lancia Lybra...

In Brasil the "corsa lunga" is used in Doblo, brava (after 2001) and marea.
I think that our palio uses both versions of the 1.6 16v...