CFisher@borgwarner.com wrote:
>Since I've had wrong torque figures in Haynes manuals before (resulting in a
>sump bolt broke off in an A-series motor)can someone confirm a cylinder head
>torque of 100 to 105 ft/# for a TR3a head? That's a lot higher than my
>bugeye head, though the studs are a lot beefier.
>
On page 48 of my Haynes manual (step 59.7) it says to torque the head
nuts to 45 lbs. Elsewhere it gives the correct higher number but
because of that paragraph I torqued my head to 45# and drove it w/o a
problem for 20+ years. Not recommending it, just noting the Haynes
error and my results.
Geo Hahn
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