View Full Version : '63' 401 engine torque specs
Prats63
01-18-2003, 09:06 AM
:Do No: Where can I find the torquing specs for the bolts on the intake, carb, heads,valley pan, valve covers etc.... :puzzled:
tmcclu
01-18-2003, 09:36 PM
:) Chad, I've got a 63 Riv as well, and I bought the Buick service manual, so here is what Buick said in 63 for the 401,
Intake 25-30 lbs ft
Cylinder heads 65-75 lbs ft
Main caps 100-110 lbs ft
valve cover 3-5 lbs ft
rocker shaft 30-35 lbs ft
connecting rod cap40-45 lbs ft
timing chain cover 20-25 lbs ft
water pump 6-8 lbs ft
water manifold 25-30 lbs ft
harmonic balancer 200-220 lbs ft
exhaust manifold 10-15 lbs ft
Hope this helps, Tim McCluskey
Prats63
01-19-2003, 08:08 AM
Thanks Tim, that is the info I needed and I am searching for a service manual also but wanted to start putting it back together without having to wait for delivery of a manual.:TU:
Powered by vBulletin® Version 4.1.10 Copyright © 2012 vBulletin Solutions, Inc. All rights reserved.