[Supras] Head Bolt torque

[Jeff Mohler]

Also if "slip" equals a snap..youre checking torque absolutely wrong.

70ft lbs means tighten to 70ftlbs while MOVING.

The static torque on a 59lb bolt can be way over 70 to make it MOVE.

Losen it 1/4 turn, THEN torque it.

On 1/29/07, Supraman <supraman88 at verizon.net> wrote:
> I removed my valve covers and cleaned the gunk from the center cover.
> I figured while I was in there, I'd check the torque on the head bolts.
> Spec is 59 ft-lbs, many, many people have told me to go to 70-80 to try
> to avoid head gasket problems.
>
> ALL the head bolts are over 70 ft-lbs, except one: #13, exhaust side
> closest to the firewall. It didn't budge until 65 Ft-Lbs. Evry time I
> get near 70, it 'slips', and slips again, and slips some more. I don't
> dare turn it any more for fear of breaking it. It takes 62-65 ft lbs to
> budge it, a friend of mine who was a Toyota Factory Rep says, It's over
> 59, leave it!
>
> I think I'll take his advice.
>
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