are you talking about a d00e 351w head?? if so the stock intake port cc is 142 same as a gt-40 head. all 289,302 and the later 351 all have 124cc intake ports. i have a set of dooe 351w heads with only clean up on the ports,bigger valves and bowl work the heads flow 200/174. the heads was good for mid 11's
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80 cobra high 10's long rod 306 all motor. iron heads,flat tappet cam, mufflers and d.o.t tires
84 mercury capri 308
97 merecury mountaineer 5.0

<font size=-1>[ This Message was edited by: tonys10sec306 on 11/20/03 10:36pm ]</font>