[DeTomaso] 73 vs 70 head differences

[bill gaino]

The 70 heads will not have a "dot" next to the 4 either..

-----Original Message-----
>From: Doug Braun <doug at silicondesigns.com>
>Sent: May 28, 2008 5:14 PM
>To: daniel.c.jones2 at gmail.com
>Cc: DeTomaso Forum <detomaso at realbig.com>
>Subject: [DeTomaso] 73 vs 70 head differences
>
>Just a curiosity, but I was comparing my pair of 73 open chamber 351C heads
>to my 70 closed chamber pair and noticed the following minor differences:
>
>The ‘70 heads have an additional accessory mounting hole at each end of the
>head (I wonder what accessory the holes were intended for)?
>
>The ‘70 heads' pushrod holes are 1/2" diameter while the ‘73's are 17/32".
>I would assume this was to increase the pushrod clearance.
>
>Doug Braun
>blue 73L #5505
>
>
>
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