The General Motors 3100 family of after 1996 underwent a changeover to interference designs. This standardized GM powertrains design across multiple platforms such as the 3400 and 3500.
Yeees?
Yes, it does.
A 3.4 liter GM engine is an interference type motor which has very tight tolerances. If the timing is off slightly, it can result in catastrophic failure.
That engine is pushrod, it is the GM 3100 if I'm not mistaken. What are symptoms because bent valves are unlikely.
Some are, some aren't. We need to know which specific engine you are talking about.
Yes, the 3.1 L is a interference engine. In fact I am working on one now that the timing chain broke and bent several valves.
Yes it does. (check the GM section of this list) http://www.aa1car.com/library/timing_belts_interference_engines.htm
It is an interference engine.It is an interference engine.
It is an interference engine.It is an interference engine.
no
123456 is the firing order from the GM HAYNES REPAIR MANUEL
Interference,