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ألفا روميو ALFA ROMEO احدى شركات مجموعة فيات الايطالية وتمثل الجناح الرياضى فى الشركة


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  #1  
قديم 28-07-2012, 10:03 PM
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مميز Spica Fuel Injection Unit Photo from The Alfa Romeo Owners Bible

Engines

Berlinas were built with two different four-cylinder engine sizes, common to all Alfa Romeo models of the period (except the Montreal and Alfasud): 1779 cc (nominally the 1750) from 1967 to 1971, and 1962 cc (nominally the 2000) from 1972 to the end of production in 1976. The engines are derived from the Giulia 1570 cc engine of 1962, which itself was derived from the 1290 cc Giulietta engine of 1955.
Below is a stock US 1969 1750 Berlina engine compartment, with Spica injection, "dashpot" idle circuits and dual brake boosters.

All Berlina engines are mechanically the same: aluminum block and head, five-main-bearing crankshaft (nitrided on the 2000), wet iron cylinder liners with aluminum pistons, twin overhead cams operating two valves per cylinder through iron bucket tappets. The oil pan is a large flared cast aluminum affair, holding about seven quarts of oil. The exhaust consists of paired cast iron headers feeding into a collector, feeding into a resonator and two mufflers. The 1750 has an 80 mm bore and 88.5 mm stroke. The displacement is 1779 cc, producing 115 SAE net BHP @5800 rpm. The 2000 has an 84 mm bore and 88.5 mm stroke. The displacement is 1962 cc, producing 129 SAE net BHP @ 5800 rpm.
Below is a stock US 1974 2000 Berlina engine compartment with Spica injection and Marelliplex ignition..

Photo from The Alfa Romeo Owners Bible
( Robert Bentley Publishing , Cambridge Mass.)
For the United States, Berlinas used the Spica mechanical fuel injection system common to all US Alfas of the period, derived from a diesel injection system and from the V-8 injection pumps on the Type 33 racing cars. This system consists of an electric fuel pump near the fuel tank, a circular pressurized fuel line to route fuel to the injection pump and back to the fuel tank, and a timed injection pump driven by a toothed belt off the front of the crankshaft. This pump is a miniature "engine" in itself, with a pump section consisting of a camshaft and four plungers, and a logic section that determines how much fuel to inject based on engine speed, throttle opening, temperature, and other factors. Supposedly 1453 of the last US spec. 2000 Berlinas had catalytic converters and required unleaded fuel. I don't know whether they also had an air pump and air injection system.



Detuned Tipo 33 Racing engine as used in the Alfa Romeo Montreal









Double-length Spica - The mechanical fuel injector.





1971_Alfa_Romeo_Montreal_ V6




THis car has foacory Spica fuel management and twin-coil ignition.







1967 Giulia with 2 liter engine and SPICA fuel injection.




: CONGRA~238::w6w20 0504112236376d
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  #2  
قديم 28-07-2012, 10:31 PM
الصورة الرمزية nktis
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افتراضي رد: Spica Fuel Injection Unit Photo from The Alfa Romeo Owners Bible

: 018A1D~146::0 18A1D~146:
__________________

وأتت ملائكة النعيم كما روت*
روحي بطون أكفها خضراء*
صعدت بروحك والعبير يحفها*
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شرقت حشاشات النحيب وأينعت*

وشوى الأنين قلوبنا فتفطرت*خلف الجفون دموعنا الخرساء*
أكبادنا فبكاؤنا إيماء*
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  #3  
قديم 28-07-2012, 11:33 PM
الصورة الرمزية محمدصلاح القاضى
محمدصلاح القاضى محمدصلاح القاضى غير متواجد حالياً
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محمدصلاح القاضى has a reputation beyond reputeمحمدصلاح القاضى has a reputation beyond reputeمحمدصلاح القاضى has a reputation beyond reputeمحمدصلاح القاضى has a reputation beyond reputeمحمدصلاح القاضى has a reputation beyond reputeمحمدصلاح القاضى has a reputation beyond reputeمحمدصلاح القاضى has a reputation beyond reputeمحمدصلاح القاضى has a reputation beyond reputeمحمدصلاح القاضى has a reputation beyond reputeمحمدصلاح القاضى has a reputation beyond reputeمحمدصلاح القاضى has a reputation beyond repute
جديد رد: Spica Fuel Injection Unit Photo from The Alfa Romeo Owners Bible


المشاركة الأصلية كتبت بواسطة cars admire مشاهدة المشاركة

Engines

Berlinas were built with two different four-cylinder engine sizes, common to all Alfa Romeo models of the period (except the Montreal and Alfasud): 1779 cc (nominally the 1750) from 1967 to 1971, and 1962 cc (nominally the 2000) from 1972 to the end of production in 1976. The engines are derived from the Giulia 1570 cc engine of 1962, which itself was derived from the 1290 cc Giulietta engine of 1955.
Below is a stock US 1969 1750 Berlina engine compartment, with Spica injection, "dashpot" idle circuits and dual brake boosters.

All Berlina engines are mechanically the same: aluminum block and head, five-main-bearing crankshaft (nitrided on the 2000), wet iron cylinder liners with aluminum pistons, twin overhead cams operating two valves per cylinder through iron bucket tappets. The oil pan is a large flared cast aluminum affair, holding about seven quarts of oil. The exhaust consists of paired cast iron headers feeding into a collector, feeding into a resonator and two mufflers. The 1750 has an 80 mm bore and 88.5 mm stroke. The displacement is 1779 cc, producing 115 SAE net BHP @5800 rpm. The 2000 has an 84 mm bore and 88.5 mm stroke. The displacement is 1962 cc, producing 129 SAE net BHP @ 5800 rpm.
Below is a stock US 1974 2000 Berlina engine compartment with Spica injection and Marelliplex ignition..

Photo from The Alfa Romeo Owners Bible
( Robert Bentley Publishing , Cambridge Mass.)
For the United States, Berlinas used the Spica mechanical fuel injection system common to all US Alfas of the period, derived from a diesel injection system and from the V-8 injection pumps on the Type 33 racing cars. This system consists of an electric fuel pump near the fuel tank, a circular pressurized fuel line to route fuel to the injection pump and back to the fuel tank, and a timed injection pump driven by a toothed belt off the front of the crankshaft. This pump is a miniature "engine" in itself, with a pump section consisting of a camshaft and four plungers, and a logic section that determines how much fuel to inject based on engine speed, throttle opening, temperature, and other factors. Supposedly 1453 of the last US spec. 2000 Berlinas had catalytic converters and required unleaded fuel. I don't know whether they also had an air pump and air injection system.



Detuned Tipo 33 Racing engine as used in the Alfa Romeo Montreal









Double-length Spica - The mechanical fuel injector.





1971_Alfa_Romeo_Montreal_ V6




THis car has foacory Spica fuel management and twin-coil ignition.







1967 Giulia with 2 liter engine and SPICA fuel injection.




: CONGRA~238::w6w20 0504112236376d

الرشاشات دى بتفكرنى
بالعربيات الشيفروليه الربع نقل القديمه
كان ليها مانفوليد وعمه
وبيسموا دى تقريبا طرمبة الجاز

بس نرجع ونقول مبدع يا أدماير
__________________

دا لينك اولتراس فيات 132

دا لينك صفحتى على الفيس بوك


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  #4  
قديم 29-07-2012, 01:30 AM
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حصرى رد: Spica Fuel Injection Unit Photo from The Alfa Romeo Owners Bible


المشاركة الأصلية كتبت بواسطة محمدصلاح القاضى مشاهدة المشاركة

الرشاشات دى بتفكرنى
بالعربيات الشيفروليه الربع نقل القديمه
كان ليها مانفوليد وعمه
وبيسموا دى تقريبا طرمبة الجاز

بس نرجع ونقول مبدع يا أدماير
هنا بقى طلمبة بنزين لاكن شبه تصميم طلمبة الديزل !!!!!!!!

محمدصلاح القاضى, DR/elmanahry, DR/nktis



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