2.8 and 3.1?
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Junior Member
Joined: Apr 2005
Posts: 5
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Car: 1991 Camaro RS as well as a 1986 Fi
Engine: 3.1 v6 and a 2.8 v6
Transmission: 700R4
2.8 and 3.1?
What exactly is the difference between a 2.8 and a 3.1 liter engine. Are the blocks exactly the same with changes in the bore and stroke or what? I have a 3.1 in my car now and a 2.8 just sitting around in my firebird so Im thinkiing of just using the 2.8 instead of buying a later camaro 3.4.
Member
Joined: Jan 2005
Posts: 107
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From: Indiana
Car: 91 Camaro
Engine: 191 V6
Transmission: 4L60
Axle/Gears: 3.23
The most basic difference is a 3.1 is a stroked 2.8, and the 3.4 is a bored 3.1. There are also some technology differences, like no cold start injector on the 3.1 and speed density rather than MAF, etc.
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