Quote:
Originally Posted by nolongerracing
I have a hard copy of the NHRA Tech Bulletin from 1998... it's the only head listed for his combo. They recently changed the casting # -DC to -DA. It took nearly 40 years to figure out there was a typo? Really?
I cannot seem to get it to upload it here. I can email it to someone who might be able to.
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Gary -
I do have copies of all the Tech Bulletins from 8/1/99 till now. The change was made in the 3/22/16 Bulletin when the intake manifolds were change from D7OE-AA to D7OE-AC and the heads were changed from D7OE-DC to D7OE-DA.