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I carefully put the rev-kit spring
plate on top of all the springs. I soon found out that the slightest
bump would move the plate so I installed three push rods in the tallest
springs to help stabilize things. This seemed to work so let's go get
the head on and bolt it up.
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With all these springs pushing up
against the head, I couldn't push hard enough to get one of the bolts
started so I used two of the longest head bolts (there are three lengths
on small block Chevy's) in the ends of the head to draw the head down
(each end of the head has a medium length bolt). This worked fine and
when I had three or four bolts started, I removed the two end ones and
replaced them with the correct length bolts. Now it's time to fasten
down all the bolts and see how things looked.
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Well here we go again....bad luck
reared it's ugly head yet again. If you notice the ends of the spring
plate, it has a bow, and I mean a LARGE bow....not good! The bow was
being caused by the center springs pushing up on the plate with no
support in the middle. Notice the gap on the ends between the spring
plate and the head which is half the thickness of the plate (the plate
is 3/8 thick). How much spring pressure is being exerted on the plate
you ask? Well each spring has about 45 pounds when the cam-lobe is down
but when the lobe is up, there is closer to 65 pounds or more. This was
enough to bend the spring plate as you can see. I placed a flat-head
screwdriver between the head and plate, then tweaked it a little to see
what would happen. Sure enough, the plate went flat so this means that I
needed to have a spacer between the two pieces to get rid of the bow.
Now let's see....what am I going to use for this...
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