They are one and the same engine.
No
About 2700 - 3100 lbs depending upon the model and year
108mph for the 3100 engine
In 2002 the Chevy Malibu had a large port 3100 engine producing around 180hp. This engine was used from 2000 to 2003 in this form.
the spark gap for the 3.1 is 60,
The firing order for a 3100 Chevy engine is 1-2-3-4-5-6. The number one cylinder is on the right side of the engine, looking at it from the front.
1-2-3-4-5-6
it will say either 3100 or 3500 which is 3.1 or 3,5 l eng
The oil pump is found on the bottom on the 1995 Chevy Lumina's engine. It is mounted on the front of the crankshaft
The fuel pressure should be 45 psi .
no the egr valve has a big effect on the engine,it is controlled by the pcm.
That engine is pushrod, it is the GM 3100 if I'm not mistaken. What are symptoms because bent valves are unlikely.