Valve spring tech
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Disassemble the retainer/keepers. Install the correct shim thickness you will use. Reassemble retainer/keepers. Holding the one-ring wire with pliers on the spring shim/shims at the outer step, open the valve until the retainer outer step contacts the wire. This will place the retainer at the full valve lift position. Verify 1/16" to 1/8" clearance between the valve guide and the bottom of the retainer. If seals are installed, you're good to go. If seals are not installed yet, allow for their height above the guide. | Disassemble the retainer/keepers. Install the correct shim thickness you will use. Reassemble retainer/keepers. Holding the one-ring wire with pliers on the spring shim/shims at the outer step, open the valve until the retainer outer step contacts the wire. This will place the retainer at the full valve lift position. Verify 1/16" to 1/8" clearance between the valve guide and the bottom of the retainer. If seals are installed, you're good to go. If seals are not installed yet, allow for their height above the guide. | ||
| − | If the clearance is insufficient, different retainers or keepers can be used to correct it, or you can cut the | + | If the clearance is insufficient, different retainers or keepers can be used to correct it, or you can cut the valve guide bosses to correct the issue. An alternative is to use longer valves, remember that using longer valves will alter the installed height of the valvespring. Most valves are available with stems that are 0.050" longer than factory specification. Adjust your shim thickness accordingly. |
[[Category:Engine]] | [[Category:Engine]] | ||
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