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Old 19-12-2018   #31
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Re: Supercharged Fiat Punto mk2 1.2 8v #boostedpunto

Exhaust sound part 2
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Old 23-01-2019   #32
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Re: Supercharged Fiat Punto mk2 1.2 8v #boostedpunto

Relocated wideband lambda and assembled oil catch can

Next I will make a new 2,5" cat back to awaken the extra horses, old was Supersprint 1 3/4"
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Old 05-03-2019   #33
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Re: Supercharged Fiat Punto mk2 1.2 8v #boostedpunto

Made new 2,5" cat back exhaust, much more power on high revs

But the exhaust sound was way too loud. So I installed another silencer and now it sounds great

Ecumaster Det3+ installation:

Full part list:
Aisin AMR500 Supercharger 500cc per revolution (From Nissan)
2" Boost pipe & hose kit
Greddy type RS dump (blow off valve)
Intercooler (Biltema)
Walbro 255lph fuel pump
AN6 adjustable fuel pressure regulator & fuel return line
Injectors IWP127 231cc/min (Ford KA turbo)
COOLINGMIST WATER METHANOL ADJUSTABLE BOOST PRESSURE SWITCH DEVILSOWN NOS
Ecumaster DET3 piggyback
PLX DM-6 Gen 4 wideband lambda gauge
Dragon Gauge analog boost meter
Colombo & Bariani Fast Road Max camshaft
40mm bored throttle body
Ashley exhaust manifold
2,5" cat back exhaust
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Old 05-03-2019   #34
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Re: Supercharged Fiat Punto mk2 1.2 8v #boostedpunto

Thanks for the update! (and making me look bad)

I'm waiting for the temperatures to increase and the weather to be nice before I start working on my car, and here you are working outside in the freezing cold!
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Old 12-03-2019   #35
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Re: Supercharged Fiat Punto mk2 1.2 8v #boostedpunto

How are you mapping it? Still on stock ECU?
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Old 12-03-2019   #36
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Re: Supercharged Fiat Punto mk2 1.2 8v #boostedpunto

Odd question as I’m not 100% but, do you need/should you put a dump valve on a supercharger, they will produce a specific amount of boost for each revolution of the engine and so the air taken by the cylinders will always match that delivered by the supercharger, so my understanding is, that it should never be able to overboost.
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Old 13-03-2019   #37
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Re: Supercharged Fiat Punto mk2 1.2 8v #boostedpunto

Quote Originally Posted by AnteLo View Post
How are you mapping it? Still on stock ECU?
Yes stock ECU, I have Ecumaster Det3+ piggyback
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Old 13-03-2019   #38
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Re: Supercharged Fiat Punto mk2 1.2 8v #boostedpunto

Quote Originally Posted by AndyRKett View Post
Odd question as Iím not 100% but, do you need/should you put a dump valve on a supercharger, they will produce a specific amount of boost for each revolution of the engine and so the air taken by the cylinders will always match that delivered by the supercharger, so my understanding is, that it should never be able to overboost.
You're right, the boost should be stable. But still I needed one, car would stall when idling (when throttle valve is closed). So dump must be open when idling and that made it very challenging to find a dumb that works. I tried 3 different dumps, current one is best so far but not optimal.
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Old 27-03-2019   #39
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Re: Supercharged Fiat Punto mk2 1.2 8v #boostedpunto

New videos

Technics:

Drive footage:

Smaller pulley for supercharger:

It's nice when you can cruise speedo maxed out 😁
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