In 1964 GMC offered the Chevrolet 230 inline six engine, it brought economy, efficiency and low
initial cast to the line duty trucking industry. The time-proved 6-cylinder engine is a product of GMC Truck and Coach
Division's 50 years of truck engine design experience combined with the vast resources of General Motors Research and Testing
Laboratories. These engines are the same used in Chevrolet Trucks, and GMC Handi-vans. Also these are the same engine used
in Canadian Chevy and GMC trucks.
GMC (Chevrolet) 250 Inline Six
The Chevrolet 250 L6 engines also offered in GMC Trucks, this one in 1966 it both the States
and Canada. Here is a list of Inline Six Cylinder Engines used in GMC Trucks in the 1960s: 194 cid, 235 cid, 250 cid,
261 cid, 270 cid, 302 cid. There was also a 153 cid inline four used in the Handi-Van.
The Chevrolet 292 L6 engines used in some of the GMC Step Vans as was the 270 L6.
Inline 6 Engine Specifications
|
Engine Model |
Gross Horsepower |
Net Horsepower |
Gross Torque lbs. ft. |
Net Torque lbs. ft. |
Bore - Stroke |
Displacement |
Compression |
Notes |
|
153 L4 |
90 @ 4000 rpm |
82 @ 4000 rpm |
152 @ 2400 rpm |
144 @ 2000 rpm |
3.875" - 3.25" |
153 cu. in. |
8.5 to 1 |
1, 2 |
|
194 L6 |
120 @ 4400 rpm |
95 @ 4000 rpm |
177 @ 2400 rpm |
155 @ 2000 rpm |
3.56" - 3.25" |
194 cu. in. |
8.5 to 1 |
1, 2 |
|
230 L6 |
140 @ 4400 rpm |
115 @ 3600 rpm |
220 @ 1600 rpm |
200 @ 1600 rpm |
3.875" - 2.25" |
230 cu. in. |
8.5 to 1 |
1 |
|
230 L6 |
140 @ 4400 rpm |
120 @ 3600 rpm |
220 @ 1600 rpm |
205 @ 1600 rpm |
3.875" - 2.25" |
230 cu. in. |
8.5 to 1 |
2, 3 |
|
250 L6 |
150 @ 4200 rpm |
125 @ 3800 rpm |
235 @ 1600 rpm |
220 @ 1600 rpm |
3.875" - 3.53" |
250 cu. in. |
8.5 to 1 |
2, 4 |
|
270 L6 |
133 @ 3600 rpm |
120 @ 3600 rpm |
244 @ 1300 rpm |
220 @ 1400 rpm |
3.781" - 4.00" |
296.5 cu. in. |
7.75 to 1 |
2, 6 |
|
292 L6 |
170 @ 4000 rpm |
153 @ 3600 rpm |
275 @ 1700 rpm |
255 @ 2000 rpm |
3.875" - 4.125" |
292 cu. in. |
8.0 to 1 |
2, 5 |
1. Engines Used in GMC Handi-Van & Handi-Bus.
2. Engines Used in GMC Value Van models.
3. Optional Chevrolet Inline six offered in 1964-1965 series 1000-2500.
4. Optional Chevrolet Inline six offered in 1966 series 1000-2500.
5. Optional Chevrolet Inline six offered in 1966 series 3500-4000.
6. Dry weight less accessories, 586 lbs.
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Information About GMC Truck Drive Trains
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© 2000-2005 6066 GMC Trucks. Last Updated April 16, 2005.
