I wanted to run beehives, but did not find a set with the right spring height. I didn't look at cutting the spring pocket. I acquired an assembled head with them on it, but it also has longer valve stems on them so cannot be ran with a stock cam. I forget the measurement of the stem height, so not even sure it can be ran with a re-ground. I don't have numbers on the springs or valves.
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"How I learned to stop worrying and love the OHC Pontiac L6"
The Silver Buick- '77 Skylark coupe w/455, SPX, MegaSquirt 3 & TKO-600 (Drag Week 2011, 2012 & 2015!)
1969 Firebird with a turbo'd Pontiac L6 controlled by a MegaSquirt 3 and backed with a microsquirt controlled 4L60e and 4.56 gears! (Drag Week 2018!)
06-15-2026, 01:42 PM
Hybrid Mode
