Quote:
Originally Posted by TRADERMIKE 2012
In a stock application think about why the factory never installed a 041 or a smaller 744 in a 428 or 455. Think about RPM limits and those cams usefulness.MIKES ANSWER FOR THIS : PONTIAC almost put the 041 in the 455 sd if I read rite. and the 744 was in the few 455 sd or just 455 I believe.
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The 73-74 SD could handle a 041 but the 041 was never used.
The 744 was never in a 455 or a 428.
What was in the 73-74 SD "only" was the 493323 cam which specs out the same as the 744. But the 323 cam has a special small gear to accommodate the large distributor gear.