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∙ 14y agoThey came on 87+up heads with the four hold down screws that go down through the middle of the rocker cover. You can eliminate the need for them by switching to hardened pushrods and guideplates.
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∙ 14y agoLack of lubrication.
1.6 ratio rockers were only offered in the aftermarket.
The valves won't be able to fully close at higher rpm.
A lot of manufacturers use a torque setting, but not Chevy. With the motor running, go to zero lash, and then 1/2, to a full turn from there.
The stock rocker arm ratio for a Gen I Chevy small block is 1.5:1. The marine engines have the same rocker ratio, but use different cams and have bottom ends built to handle sustained RPMs.
Most 300's have no adjustment. It's just torque down the nut(bolt on newer years). There's aftermarket adjustable kits available.
It is a small block
There are no torque specs for a 350 Chevy. Follow the valve adjustment instructions in any repair manual for any small block Chevy.
The small block chevy turns in a clockwise rotation.
how do i set the timing for a chevy 350 small block?
It is a small block.
Yes. what is the question?- about a sm. block chevy.