The arguement for Aluminum heads on a 3.4
#11
RE: The arguement for Aluminum heads on a 3.4
There are no after market aluminum heads for this engine, but you can use the aluminum heads that GM puts on the 3400 or 3500 front drive cars. They work much better than the stock heads on the 3.4. You will also need the rocker arms and intake manifold that comes with them. See the sticky on opgrading the 3.4 engine.
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