273 Camshaft Specifications

Freddie B,

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Ford Valve Spring Pressure

Engine ................... Valve Closed ... Valve Open
* 289 2V and 4V ......... 65 lbs. .......... 170 lbs.
* 289 HiPo ................. 85 lbs. .......... 245 lbs.
* 302 4V .................... 80 lbs. .......... 190 lbs.
* 351W ...................... 75 lbs. .......... 200 lbs.
* Boss 302 ................. 90 lbs. .......... 275 lbs.