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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. Not all points will apply to all engine builds. There is no substitute for physically measuring critical areas like piston-to-valve clearances or valve spring installed height and coil bind. For those measurements, do not rely solely on published figures:'''
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− | *Springs for installed height
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− | *Coil bind
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− | *Retainer to seal/valve guide boss at full lift
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− | *Retainer to rocker
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− | *Trunnion to stud boss
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− | *Piston-to-valve clearance (both before and after TDC on overlap)
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− | *Push rod to guide slot in head (if used)
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− | *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
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− | *”Rails” of self aligning rockers (if used) to retainer
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− | *Rocker to valve tip (by adjusting guide plates if used)
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− | *Rocker slot to stud (if using stamped rockers w/pivot balls)
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− | *Proper geometry (push rod length)
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− | *Rocker/polyloc to valve cover or baffle
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− | *Camshaft endplay
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− | *Distributor shaft and gear endplay
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− | *Distributor gear material compatible with cam material
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− | *Hydraulic lifter preload or solid lifter lash setting
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− | *Timing set phasing
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− | *Cam gear to crank gear alignment
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− | *Cam gear end play if roller cam
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− | *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
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− | *Cam lobe to connecting rod on strokers
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− | [[Category:Engine]]
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− | [[Category:Good articles]]
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