3.4 liter twin dual ohc engine

Old 04-20-02, 05:05 PM
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Question 3.4 liter twin dual ohc engine

i recently puchaced a 1991 grand prix se with this engine. is this different than the dual ohc? how do i find specs or info on sensors. o2 sensor map sensor etc. great car, lotsa getup and go and holds the road like a racecar. any info will be helpful thanks
Old 04-20-02, 11:40 PM
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Is it any different then which DOHC engine?
There are a few.

For any specs try www.autolibrary.org
Old 04-21-02, 05:51 AM
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As I recall this is the 3.4 liter vin code X engine, and there is no other DOHC used in this vintage vehicle.

Powerful, but nothing to write home about. As I recall, a large gazorch to change timing belts as some special tools are required.

Bill gave you some good information on free service type information. Depending on how much you plan to do to it as far as repair, a shop manual is a good investment.

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