Beehive springs, good, bad?
#1
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Beehive springs, good, bad?
I'm getting ready to replace the springs that came with the AFR 205 heads and I like the looks of the beehive. They seem to be just what the doctor ordered in helping keep valve train weight to a minimum, thus reducing valve bounce, harmonics, etc.
Is there a general consensus out there as to whether or not these springs are any good?
Is there a general consensus out there as to whether or not these springs are any good?
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Originally Posted by mvvette97
there is nothing wrong with them because your factory springs are beehive. I had some 918s break on my ta so that could of been a bad deal. I now use duals. A little more protection
I understand about the duals offering more protection but I'm pretty easy on my springs and I like to change them often.
I was just curious about things like valve float on a fairly aggressive cam lobe.
#4
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Dave Vizard published an article delving into this subject in detail; http://www.popularhotrodding.com/tec...retainers.html basically, the behive design is superior in all aspects.
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#9
Originally Posted by vettenuts
One other option is the PSI beehive spring. It is stiffer than the 918 and will set up on the seat with about 135 lbs at 1.750" installed height. I think the k value is 384 lb/in. Titanium retainers are 6.6 grams for these springs.
#12
Originally Posted by gtovan
These are what I am using on my LS7 cam install (650" lift.) PSI 1511ML. ML is for max life, a coating to improve durability. Install height: 120# @1.800" 370# @ 1.150" coil bind 1.100". Katech did comparison testing on a bunch of springs for their LS7 package and this is what they use. You can get them from them or CV Products.
That is correct. We use beehive springs on all of our street packages. They have been validated on our Optron valvtrain dynamics test cell and provide the best valve control far beyond the redline.
#13
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Originally Posted by Katech
That is correct. We use beehive springs on all of our street packages. They have been validated on our Optron valvtrain dynamics test cell and provide the best valve control far beyond the redline.
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I have 38,000 + miles on a set of PRC platinum duals with a .600 lift cam .. I like the peace of mind that the duals provide and I obviously don't change them often ... they are going to be changed in the next few weeks to a
Comp Cams 921 dual spring for use on a cam with higher lift (.637\.639) ..
Comp Cams 921 dual spring for use on a cam with higher lift (.637\.639) ..
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So far, everthing seems to point in the direction of the beehives so it seems these would be the right choice for my small cam.
I wonder what Tony has to say about them? (hint hint)
I wonder what Tony has to say about them? (hint hint)