Is the Chevy 4.2 I6 a good engine?
The 4.2L straight-6 Vortec engine is extremely reliable. Worn valve seats are the only problem on our list that can lead to an expensive repair bill and the issue really isn’t common enough to give any worry.
How much HP does a inline 6 have?
With a 230-cubic-inch inline six with a mild cam, headers, and the cylinder head work we’ve described, you could expect to make around 250 to perhaps 260 horsepower. Because the inline six crankshaft is so long, even with 7 main bearings it’s probably not a good idea to spin these engines much beyond 6,000 rpm.
Is GM 4.2 a good engine?
The Vortec 4200 is unquestionably the most refreshing, entertaining and powerful “base” engine in the light-truck market. Its refinement befits a luxury car, its brawny side unveiled only when you need to use it like a truck’s meant to be used.
Is inline 6 better than v8?
This is due to the fact that V-6 engines have two fewer cylinders. V-6 engines have improved performance compared to V-8 engines, especially when timing acceleration properly because there’s less tendency to drift to the outer edge. However, you can lose a little bit of the power ceiling with the weight advantage.
How much horsepower does a 258 inline 6 have?
The 4.0 L (3956 cc) straight-6 was an evolution of the 258 and 150 and appeared in 1987. It had the same 3.88 (98.4 mm) bore as the 150 with a longer 3.41 in (86.7 mm) stroke….
| AMC 258 I6 | |
|---|---|
| Displacement | 258 (4.2L) |
| Compression Ratio | 8.5:1 |
| Horsepower (gross) | 150@3800 |
| Torque (gross) | 240@1800 |
How much horsepower does a 4.0 straight-6 have?
Chrysler’s 4.0L Straight Six Engine The 4.0L AMC inline six is known as one of Chrysler’s best engines. Dating back to 1986, its torquey 190 hp engine would commonly chug along for upwards of 300,000 miles.