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Topic Review (Newest First)
03-20-2013 11:53 PM
cobalt327
Quote:
Originally Posted by StudebakerTom View Post
As a newby to Chevy engine building, I'm not sure which way to seat the nuts on the rocker arms. Do they go tapered end down or flat side down, as I thread them in? I'm using a Haynes book and honestly, it's dreadfully written.
If you're using stock lock nuts, they use a disrupted thread on the rounded side (facing up, below), so getting the nut to start on the stud is nearly- if not completely- impossible, unless the nut is correctly orientated on the stud (flat side down, as said). Replace these lock nuts if they've been used much; the self locking function loosens w/use.

Self locking rocker nuts can do a number on aftermarket studs, so use polylocs when possible. In some cases polylocs cause clearance problems w/the valve cover so check first. Using a thick or doubled gasket will sometimes give enough clearance. Using polylocs on stock studs will not always work- the polylocs need an even surface for the set screw to register on, often stock studs are uneven on the top.

03-20-2013 06:09 PM
StudebakerTom Thank you much!
03-20-2013 04:20 PM
alkey
rocker arm nuts

rocker arm on stud first,pivot ball next then nut flat side down
03-20-2013 03:40 PM
StudebakerTom
SBC rocker arm nuts

As a newby to Chevy engine building, I'm not sure which way to seat the nuts on the rocker arms. Do they go tapered end down or flat side down, as I thread them in? I'm using a Haynes book and honestly, it's dreadfully written.

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