[Roadsters] Cylinder head

Gary McCormick gkmcc at sbcglobal.net
Wed Mar 5 19:50:43 MST 2008


If there is a specified torque pattern for tightening, standard practice 
is to reverse it to loosen. That's a critical joint - why take chances?

Gary McCormick
'70 2000 SRL311-13291
San Jose, CA

dave wrote:

>I never heard that before, I didn't think a cold head woul warp from the
>torque being let off unevenly, but I guess it's possible.  Not refuting it,
>just news to me.
>
>Dave Brisco
>
>-----Original Message-----
>From: Bubba [mailto:bubwin at mts.net]
>
>When loosening the head bolts, start at the front and crack the first two
>head bolts loose, about 1/4 turn, then the back two by the firewall, then
>the second row from the front, then the second last etc.  Once they are all
>loosened 1/4 turn, loosen then another couple turns.  Tap on the side of the
>
>head with a rubber mallet or dead blow hammer, or jiggle the manifolds until
>
>the head pops loose.  Then remove the bolts and head.  Basically the reverse
>
>of installation.
>
>This minimizes any chance of warpage.
>
>Bob Winslade


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