Valve train points to check
(Created page with ''''Things that need to be checked and verified to be correct:''' *Springs for installed height *Coil bind *Retainer to seal/ valve guide boss at full lift *Retainer to rocker *T…') |
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| − | ''' | + | '''Here's a list of some areas of the valve train that need to be checked and verified. This is a general guide, and is not all-inclusive. There is no substitute for physically measuring critical areas like piston-to-valve clearances or valve spring installed height and coil bind. For those type things, do not rely solely on published figures:''' |
*Springs for installed height | *Springs for installed height | ||
*Coil bind | *Coil bind | ||
| − | *Retainer to seal/ valve guide boss at full lift | + | *Retainer to seal/valve guide boss at full lift |
*Retainer to rocker | *Retainer to rocker | ||
*Trunnion to stud boss | *Trunnion to stud boss | ||
| − | *Piston to valve ( | + | *Piston-to-valve clearance (both before and after TDC on overlap) |
*Push rod to guide slot in head (if used) | *Push rod to guide slot in head (if used) | ||
| + | *Can use EITHER self-aligning rockers OR pushrod guide slots in head OR guide plates, not two or more of these at the same time | ||
| + | *”Rails” of self aligning rockers (if used) to retainer | ||
*Rocker to valve tip (by adjusting guide plates if used) | *Rocker to valve tip (by adjusting guide plates if used) | ||
| − | *Rocker slot to stud (if using stamped | + | *Rocker slot to stud (if using stamped rockers w/pivot balls) |
*Proper geometry (push rod length) | *Proper geometry (push rod length) | ||
*Rocker/polyloc to valve cover or baffle | *Rocker/polyloc to valve cover or baffle | ||
*Camshaft endplay | *Camshaft endplay | ||
*Distributor shaft and gear endplay | *Distributor shaft and gear endplay | ||
| − | *Distributor gear | + | *Distributor gear material compatible with cam material |
| − | * | + | *Hydraulic lifter preload or solid lifter lash setting |
| + | *Timing set phasing | ||
| + | *Cam gear to crank gear alignment | ||
| + | *Cam gear end play if roller cam | ||
| + | *If using the SBC OEM roller lifters and retainers (aka dogbones), lobe lift must be kept below 0.354” so the lifters don’t lose contact w/the retainers | ||
| + | *Cam lobe to connecting rod on strokers | ||
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[[Category:Engine]] | [[Category:Engine]] | ||
[[Category:Good articles]] | [[Category:Good articles]] | ||
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