Alfa Romeo Twin Spark injuna
The Alfa Romeo Twin Spark 4-Silinda fetur injuna aka samar daga 1986 zuwa 2011 da aka shigar a kan kusan duk Alfa model daga kananan 145 zuwa zartarwa 166. Bisa ga TS jerin raka'a, na farko gyare-gyare na JTS-engine iyali na an kirkiro injuna.
- ƙarni na farko
- ƙarni na biyu
Alfa Romeo Twin Spark na ƙarni na farko
A cikin 1986, injin 75-lita na sabon layin Twin Spark ya yi muhawara akan Alfa Romeo 2.0. Naúrar ce ta ci gaba sosai don wancan lokacin tare da allurar man fetur mai yawa, shingen silinda na aluminum tare da abin da ake kira jika-jita, motar sarkar lokaci da kuma shugaban aluminum mai nau'i na camshafts wanda ke sarrafa bawuloli takwas kawai. Ba da da ewa ba da jerin bazuwa saboda raka'a karami a aiki girma da 1.7 da kuma 1.8 lita.
Babban mahimmanci na irin waɗannan raka'a shine tsarin ƙonewa tare da kyandir biyu a kowace silinda, wanda ya sa ya yiwu ba kawai don inganta cikakkiyar konewar cakuda man fetur da iska ba, amma kuma ya ba da damar yin aiki da injin a yanayin tattalin arziki amma a cikin yanayin tattalin arziki. sosai matalauta gaurayawan. A cikin ƙarni na farko na motar, an yi amfani da kyandirori guda biyu masu kama da juna.
Layin ya ƙunshi raka'a wutar lantarki tare da ƙarar 1.7, 1.8 da nau'ikan injunan lita 2.0 guda biyu:
| AR67105 (115 hp / 146 Nm) | Alfa Romeo 155 |
| AR67101 (129 hp / 165 Nm) | Alfa Romeo 155 |
| AR06420 (148 hp / 186 Nm) | Alfa Romeo 164 |
| AR06224 (148 hp / 186 Nm) | Alfa Romeo 75 |
| AR64103 (143 hp / 187 Nm) | Alfa Romeo 164 |
| AR67201 (143 hp / 187 Nm) | Alfa Romeo 155 |
Injin Alfa Romeo Twin Spark na ƙarni na biyu
A cikin 1996, ƙarni na biyu na injunan Twin Spark sun yi muhawara akan Alfa Romeo 155. Tsarin su ya bambanta sosai: akwai shingen silinda na simintin silinda, bel ɗin lokaci, shugaban aluminium don bawuloli 16 da mai cire mashiga (a cikin duk nau'ikan sai ECO). gyare-gyare tare da ƙarar 1.8 da lita 2.0 an sanye su tare da tsarin canji na juzu'i na VLIM, kuma kawai ƙananan injunan 1.4 da 1.6 sun yi ba tare da shi ba, suna da nau'i na al'ada.
Tsarin Twin Spark shima ya ɗan canza kaɗan, kyandirori guda biyu iri ɗaya masu kamanceceniya da juna sun ba da hanya zuwa manyan kyandirori biyu manya da kanana, waɗanda babbansu yana tsakiyar. Lokacin da aka canza zuwa Yuro 3, an sabunta tsarin kunna wuta kuma kowane coils sun bayyana.
Layi na biyu ya ƙunshi nau'ikan nau'ikan wutar lantarki guda huɗu tare da ƙarar 1.4, 1.6, 1.8 da 2.0 lita:
| AR38501 (103 hp / 124 Nm) | Alfa Romeo 145, 146 |
| AR67601 (120 hp / 146 Nm) | Alfa Romeo 145, 146, 155 |
| AR32104 (120 hp / 146 Nm) | Alfa Romeo 147, 156 |
| AR37203 (105 hp / 140 Nm) | Alfa Romeo 147 ECO |
| AR67106 (140 hp / 165 Nm) | Alfa Romeo 145, 146, 155 |
| AR32201 (144 hp / 169 Nm) | Alfa Romeo 145, 146, 156 |
| AR32205 (140 hp / 163 Nm) | Alfa Romeo 145, 156, GT II |
| AR67204 (150 hp / 186 Nm) | Alfa Romeo 145, 146, 155 |
| AR32301 (155 hp / 187 Nm) | Alfa Romeo 145, 146, 156 |
| AR32310 (150 hp / 181 Nm) | Alfa Romeo 147, 156, GTV II |
| AR34103 (155 hp / 187 Nm) | Alfa Romeo 166 |
| AR36301 (150 hp / 181 Nm) | Alfa Romeo 166 |
