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Originally Posted by 88Regal Custom
I have just read other posts on other gm forums where people were trashing the 2.8L in favor of the 3.1L.
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The 2.8 and 3.1 are the same engine. The only difference is that the 3.1 has a slightly longer stroke so it makes a little more power.
The 3100 (94 and later) is a better engine since it has sequential fuel injection and a better flowing top end. However, the bottom end is basically the same as the 2.8 and 3.1 so reliability should be about the same for all 3 engines.