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Paso

GTV 2.0 Twin Spark Turbo

My friend has a really interesting project, so I'll cover it in this thread... ask what you want, I'll try to answer or I'll ask him for the details...

 

1496488372736-982126760.jpg

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15 hours ago, blackbini said:

Cool :) How much HP did he get?

 

Not sure at the moment (yet to go on dyno) but according to Megasquirt mapping it should now be in 220-240 range. It can go higher, but maybe with forged pistons if it's to last. I'll report how it performs compared to my fully standard 3.0. The sound is great:

 

http://dpasaric.kreativni.hr/Alfa fotke/Alfa audio-video/GTV TwinSpark Turbo.MOV

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I've tested GTV 2.0 Twin Spark Turbo this morning! :) 

 

DDE99KjWAAAPvcU.jpg

 

It's pretty crazy! :) The whole driving experience is a very different to 3.0 V6. Busso is silky smooth and powerful throughout the range and this is a different beast - it's almost lazy in the lower range but above 4.500 rpm it gets utterly mad! :) I've warped up the hill in no time with blowoff valve hissing and engine screaming with freeflow exhaust. What a experience! :) I hope the engine will endure, now it's set to 0.5 bar.

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It's hard to say, but I think it's faster. It delivers power in a completely different way, so I can't compare it. Once, we'll try to dragrace it! ;)

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I have just bought the original autodelta Alfa spider turbo, but it has no turbo dials? It's 220 bhp 0-60 in 6.2 seconds but a bit worried it doesn't have any turbo dials or readings anywhere, Is that normal? 

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And now something special... GTV 2.0 Twin Spark Turbo with Quaife LSD on the Grobnik racetrack in Croatia.

 

(And if you wonder about that Lambo - yes, later on he passed that Gallardo!) :)

 

 

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And some more uploads from Grobnik.... the track is superb now as it has super-fresh asphalt! :)

 

 

 

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It's a privilege to have such a nice track 15 min from downtown, such a joy to drive... :)

 

 

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On 20-6-2017 at 02:05, Paso said:

My friend has a really interesting project, so I'll cover it in this thread... ask what you want, I'll try to answer or I'll ask him for the details...

 

1496488372736-982126760.jpg

 

Coincedence; I have exactly the same intercooler on my TB.. but didn't cut away anything from the crossmember. I used 54mm silicone hses and 55mm stainless steel piping. This is a bit bigger I see.

 

He also kept the original radiator and airconditoner like me. What turbo is on it?

 

Mine is running on 1,2 bar but I can't go higher than 5500rpm because from that point it is going to run lean because of the original MotorManagement and injectors. The Squadra Chips help a bit to give more fuel I guess.. but still not enough, the injectors run out of flow at 5500rpm so it will have +/-220-240hp @ 5500rpm I guess. When the rpm can go up the horses will go up accordingly.. :thumbsup:

 

 

 

 

 

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