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Originally Posted by 68bird400HO
What is the difference between the Crower 60916 and the 60242. The duration (@ .050), lift, and LSA numbers look indentical??
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I've actually posted this same question,as a few others have also.
The specs are very similar as you said,but the 242 takes a stiffer spring. I guess the 242 has a SLIGHTLY faster ramp than the 916,and according to Ken "Ace" Brewer at Pacific Performance 242 can run with a slightly lower CR than the 916.Thats is the whole reason I decided on it. I also wanted to run the 60916,but milling my "96" heads to the small chamber size needed for 9.5+ CR didn't fly with my engine guy.
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‘63 LeMans- ‘69 400 w/ original transaxle. 2.69 gears.
‘55 Catalina
‘62 Mercury Meteor-all original, bought new by my grandfather
71' GTO -original 400/4-speed/3.23 posi
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