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Old 10-28-2013, 11:13 PM   #16
mmiddle
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Join Date: Jul 2013
Location: Forestburg, Texas
Posts: 659
Re: Cam knowlege plz.

87 up aluminum GM heads are pretty darn good with some work. Port matching is a must.
The older heads have a major problem with the short-turn radii in the intake ports, even the vaunted Double Humps.

350HP at the crank should be no problem at all and still be mild. Run a well build Q-jet or a 750 vacuum secondary Holley, no matter what.
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