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Old 01-26-2010, 07:43 PM   #1
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Default 1981 Bonneville

Hey y'all. I have a 81' bonne, 100 k miles even with a 3.8l V6 LD5. Was wondering what the specs are on that engine. I did find some specs for the 231 (pre 1978 ). I would like some information...horsepower and such on the 3.8 LD5. She'* a great ride, waiting till April to take her out.
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Old 01-26-2010, 10:59 PM   #2
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Hi Drew!

Welcome to the Bonneville Forum. Here some info on the history of the Bonneville from Wikipedia.
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Old 02-02-2010, 01:35 AM   #3
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I looked extensively through the information on that engine. I couldn't find any info on the basic LD5 Buick 3.8.
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Old 02-02-2010, 02:15 AM   #4
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Quote:
Originally Posted by 81bonne View Post
I looked extensively through the information on that engine. I couldn't find any info on the basic LD5 Buick 3.8.
Here'* rump load of more info on the V-6. They do list the LD5.
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Old 02-02-2010, 05:34 PM   #5
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Default Read this too, haha

This is everything on the standard LD5 in that article. argh. "In 1978, GM began to market the 231 as the 3.8 liter as metric engine sizes became common in the United States. The RPO Code was LD5, though California-emissions versions were called LC6. Starting in 1979, the engine was used in the front-wheel drive Buick Riviera, though still with a longitudinal mounting. Larger valves and better intake and exhaust boosted the power output for 1979." dh2
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