[Steve C.]

I forgot to mention the Jim Hand modifications to the Edelbrock head was with the cooperation and approval of Edelbrock. It was done in order to improve low and mid rpm response and performance for street and street/strip engines, to provide improved power in the lower rpm ranges, and to eliminate the need to operate the engine at higher rpm in order to realize significant performance gains with the Edelbrock heads. Noting it was done to provide good performance on basically STOCK Pontiac engines.
Edelbrock furnished a new ready to run 87 cc head (actually two cylinders of a head – cut so as not to be used on a car). The modifications were for research only for both Jim and Edelbrock. As Bondo was used as the fill material.
There were some minor sources of possible error listed in his report to Edelbrock. But the comparison was considered valid.
The report was sent to Edelbrock along with the modified head. They found it interesting, but informed him that since their foundry was running at full capacity, there would be no second Pontiac head for better lower RPM street use.
Again, keep in mind this was 27 years ago.


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