| Production | 1982–1993 |
|---|---|
| Assembly |
Moraine, Ohio, United States Pontiac, Michigan |
| Platform | GMT325 |
| Engine | 1.9 L Isuzu I4 151 cu in (2.5 L) Iron Duke I4 173 cu in (2.8 L) 60° V6 262 cu in (4.3 L) 90° V6 2.2 L Isuzu Diesel I4 |
| Transmission |
3-speed THM-200C automatic 5-speed Borg Warner T5 manual |
The first compact truck from General Motors was the rebadged Isuzu KB sold since 1972 as the Chevrolet LUV. The 1973 Arab oil embargo forced GM to consider designing a domestically produced compact pickup truck. As usual, parts from other GM chassis lines (primarily from the GM G-body intermediates) were incorporated. The first S-series pickups were introduced in 1982. The Chevrolet and GMC models were identical apart from the grille, tailgate and assorted insignia. An extended cab and "Insta-Trac" four-wheel drive were added the next year along with two new engines.
Track width was similar to the former GM H-body subcompacts (Vega/Monza).120 hp 85 tq
The sport utility S-10 Blazer and S-15 Jimmy debuted in 1983; GM was the second to introduce compact sport utilities behind Jeep but ahead of Ford. This trend occurred again where 4-door variants were introduced in March 1990 as 1991 models alongside the similar Oldsmobile Bravada.
New heavy-duty and off-road suspensions appeared in 1984 along with a hydraulic clutch, while the big news for 1985 was the discontinuing of the Cavalier's 2.0 L OHV I4 in favor of Pontiac's 2.5 L "Iron Duke" OHV I4. The OHV-derived 2.2 L diesel engine and 1.9 L SOHC gas engine, both from Isuzu, were gone the next year, leaving just the Iron Duke and updated 2.8 L V6. A much-welcomed 4.3 L V6 was added for 1988, and anti-lock brakes came the next year.
The GMC S-15 became the GMC Sonoma in 1991, and the Sierra trim packages are dropped to avoid confusion with the new GMC Sierra full-size pickup. The GMC Syclone also appeared that year. The Sonoma GT bowed in 1992. Added to this was the 4.3 L V6 Vortec W code engine. This generation's last year was 1993.
The Vortec has a balance shaft, roller cam shaft, different heads, and Central Port Injection. The 1992 and 1993 engine came in either a 195 hp (145 kW) or 205 hp (153 kW) rating. The High Performance version came with a larger diameter Y pipe, and was only installed in some of the S-10 Blazers and S-15 Jimmies as well as the S-10 Pickups
Read more about this topic: Chevrolet S-10
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