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Old 07-01-2009, 12:32 PM   #12
Isolde
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1984 Pontaic Fiero
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Join Date: Mar 2009
Location: Smithfield, UT
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the standard 305 valves in '76-'79 were 1.72"/1.50", thereafter they all had 1.84"/1.50". and even if you have a regular version, a set of vortec heads and a COMP XE268H10, with an RPMAirGap and a set of long-tubes will get you 370 HP at 6100 rpm. Trick Flow makes a set of heads just for 305s.
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