Thread: valve spring pressure

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valve train weight is some thing you have to over come were a dual spring with or with out a damper i still feel is a better way to go?? then a single spring i know beehive is the way everyone is going but i feel a dual spring there some back up as well you bust one of you bee hives spring your down with busted parts 060 may not help. you want 135to145 on seat and open 350to 420 lbs would help i have had bbc go past that but with out a rev kit your starting to get at a point were the added weight is hurting you.if you still want your beehive look at 26120-16 should be good for590 lift you should get the set up of 1.880 .i was thinking we did talk about a rev kit last year ? Howards sell a rev kit for hyd roller lifters and now sell a pro max roller lifter 91171 for past 7000 rpm with 200-225 on the seat and 500-575 open then you can go past you cam grind if you go this way i would look at a steel core cam not a iron core if you go this way