06-12-2019, 18:46:35

Autor Tema: AR Twin Cam motori ( NORD )  (Posjeta: 9929 vremena)

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Offline a.m.alfa

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AR Twin Cam motori ( NORD )
« u: 26-06-2010, 21:55:58 »




1.3 L (1290 cc/78 in³)
1.6 L (1570 cc/95 in³)
1.8 L (1779 cc/108 in³)
2.0 L (1962 cc/119 in³)
« Zadnja izmjena: 30-06-2018, 18:11:34 od a.m.alfa »
 

Offline a.m.alfa

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« Odgovori #1 u: 26-06-2010, 21:57:29 »
The Alfa Romeo Twin Cam engine was introduced in the 1290 cc Giulietta of 1954. The features of the Giulietta engine included:

    * Aluminium alloy engine block with cast-iron cylinder liners
    * Aluminium alloy cylinder head with hemispherical combustion chambers
    * Forged steel crankshaft running in five main bearings
    * Double overhead camshafts driven by a double row timing chain
    * Camshafts directly actuate valves via bucket tappets
    * Two inclined valves per cylinder with near central located spark plug
    * Inlet and exhaust valves separated by an angle of 80 degrees

This made the Alfa Romeo Twin Cam engine an advanced design for a production car of the mid 1950s. These design features, with minor variations, would form the basis of all future versions of the engine. The capacity was increased to 1570 cc with the introduction of the Giulia in 1962. Racing versions of the Giulia engine, include the twin plug engine used in the GTA which featured a cylinder head with two spark plugs per cylinder.

The twin cam engine was later increased to 1779 cc for the 1750 GTV and Berlina in 1968. The 1962 cc engine was introduced in 1971 for the 2000 GTV and Berlina 2000. Twin spark plug versions of the 1750 and 2000 were used for racing and there were a limited number of racing engines fitted with a 16 valve cylinder head.

In 1986, a turbocharged version of the 1779 cc single plug engine was fitted to the Alfa Romeo 75, providing 155 PS (114 kW; 153 bhp) in standard form and a potential for a power output of 300 bhp (220 kW) in Group A touring car racing form.

In 1987, the Alfa Romeo 75 was fitted with a twin spark plug per cylinder head design, which provides improved fuel ignition and allows an improved combustion chamber shape with narrower angle between intake and exhaust valve. This was combined with variable valve timing and electronic fuel injection to give a power output of 148 PS (109 kW; 146 bhp).

The last examples of this engine are the pre 1994 1750 cc, 1770 cc and 1995 cc 8V Twinspark engines featured in the 155 and 164. Post-1994 versions of these models featured the 16-valve Twinspark, which although sharing features with the previous engine, is a new design.

Production of the Alfa Romeo Twin Cam ended in 1994, by which time it had been superseded by the newer 16 valve Twin Spark engine.

    * Alfa Romeo Romeo
    * Alfa Romeo Disco Volante
    * Alfa Romeo Giulietta
    * Alfa Romeo Giulia
    * Alfa Romeo Spider
    * Alfa Romeo GTA
    * Alfa Romeo TZ
    * Alfa Romeo Gran Sport Quattroruote
    * Alfa Romeo Giulietta (Nuova)
    * Alfa Romeo 75
    * Alfa Romeo 1750
    * Alfa Romeo 2000
    * Alfa Romeo Alfetta
    * Alfa Romeo 90
    * Alfa Romeo 164 (early 8V T/spark, modified cyl. head)
    * Alfa Romeo 155 (early 8V T/spark, modified cyl. head)
    * Alfa Romeo 75   (early 8V T/spark, modified cyl. head)
« Zadnja izmjena: 26-06-2010, 22:00:54 od a.m.alfa »
 

Offline a.m.alfa

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« Odgovori #2 u: 26-06-2010, 21:59:22 »









« Zadnja izmjena: 02-09-2016, 19:49:11 od a.m.alfa »
 

Offline kristian 33

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« Odgovori #3 u: 26-06-2010, 22:29:39 »
bravo.  :ok:bas sam ove dane mislio kako treba napraviti temu za norda za mene najbolji motor sto postoji. :love:.e sad bi bilo lijepo da se ukljuce u temu svi koji nesto znaju onjemu. :da:
"obozavam alfe na frgazere"
 

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« Odgovori #4 u: 14-01-2013, 20:21:04 »
Ovaj bi trebao uskoro biti ugradjen u juniorku, valjda je 2.0 ako sam dobro razumio, frisko generalno sredjen.
Meni ostaje nada da ce mi majstor dati da je probam ako je ikada zavrsi :drive:





...and did you exchange a walk on part in the war for a lead role in a cage...
 

Offline kristian 33

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« Odgovori #5 u: 28-01-2013, 23:18:17 »
2.0 je,ali ga bome u juniorku nece s ovim karterom staviti,inace motor je sigurno iz neke alfette,sve super jedino SOLEX karburatori sranje od frgazera.
"obozavam alfe na frgazere"
 

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« Odgovori #6 u: 28-01-2013, 23:29:54 »
2.0 je,ali ga bome u juniorku nece s ovim karterom staviti,inace motor je sigurno iz neke alfette,sve super jedino SOLEX karburatori sranje od frgazera.
ne znam detalje, ali cu pratiti razvoj događaja... motor jest iz alfette :da:
...and did you exchange a walk on part in the war for a lead role in a cage...
 

Offline Face_Off

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« Odgovori #7 u: 29-01-2013, 00:06:16 »
Ovaj bi trebao uskoro biti ugradjen u juniorku, valjda je 2.0 ako sam dobro razumio, frisko generalno sredjen.
Meni ostaje nada da ce mi majstor dati da je probam ako je ikada zavrsi :drive:

(Image removed from quote.)

(Image removed from quote.)

(Image removed from quote.)

Senad  :?:
Mika Hakkinen, Spa 2000: "...and it was great, great overtaking...
I loved it! I'm not sure if the Michael did.."
 

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« Odgovori #8 u: 29-01-2013, 00:19:37 »
...and did you exchange a walk on part in the war for a lead role in a cage...
 

Offline Face_Off

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« Odgovori #9 u: 29-01-2013, 00:22:37 »
moj imenjak  :craz

legenda od mestra, bas sad trazim kod njeg termin da mi pogleda i sredi alfu - malo nezgodno kad je uvik u guzvi  :craz
Mika Hakkinen, Spa 2000: "...and it was great, great overtaking...
I loved it! I'm not sure if the Michael did.."
 

Offline GTzadar

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« Odgovori #10 u: 29-01-2013, 09:16:56 »
Da se ubacim u temu pošto mi je u garaži 1750 ...
.... sempre gilles ....
 

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« Odgovori #11 u: 29-01-2013, 10:15:34 »
legenda od mestra, bas sad trazim kod njeg termin da mi pogleda i sredi alfu - malo nezgodno kad je uvik u guzvi  :craz
bila je tad na servisu jedna 164 iz Vrgorca, sigurno je znaš
usput i ja cekam termin ima 2 mjeseca, sreca nije hitno :hehe:
...and did you exchange a walk on part in the war for a lead role in a cage...
 

Offline Bandit

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« Odgovori #12 u: 06-04-2013, 18:52:14 »
Jesu li ove motore zvali "NORD" ?
Postoji Alfa i (ne) postoje drugi automobili.
 

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« Odgovori #13 u: 06-04-2013, 18:55:51 »
još ih zovu  :da:
 

Offline danko0013

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« Odgovori #14 u: 26-12-2015, 18:21:48 »
jel ima tko kakav servisni manual za njih

mene konkretno zanima 1600ccm

 :thanks
Nije bolest sve što boli
 

Offline a.m.alfa

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« Odgovori #15 u: 30-06-2018, 18:13:47 »
 :hap: