2002 Chevrolet Impala cylinder heads

2002 CHEVROLET IMPALA
172,562 MILES • 3.4L • 6 CYL • FWD • AUTOMATIC
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TEETEE1
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  • 1 POST
what is the difference between 3.1 cylinder heads and 3.4
Jun 22, 2014 at 9:00 PM
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JACOBANDNICKOLAS
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  • 110,175 POSTS
Different valves, different porting... I wouldn't recommend trying to interchange them.
Jun 22, 2014 at 9:07 PM