[Healeys] Head Re-torque

Bob Spidell bspidell at comcast.net
Mon Aug 7 19:30:04 MDT 2017


Yeah,  I used the wrong term "crow's foot."  I'm thinking something like 
these I've seen used by aircraft mechanics:

http://www.aircraftspruce.com/catalog/topages/nutwrenchs1.php

Since the wrench end and the box end are aligned I think you'd get the 
correct torque.

Anyone know offhand what size Big Healey head nuts are (probably 11/16" 
or something goofy like that)?


On 8/7/2017 6:06 PM, Mirek Sharp wrote:
> Sorry, but you can't torque with a crow's-foot extension, as it acts a
> lever and will convey a different torque to that shown on your wrench.
> Theoretically, you could do the math and figure out the effect of the lever,
> but it would never be as accurate.  I prefer, wherever possible, to have the
> socket right on the torque wrench to minimize any effect of extensions, etc.
> That said, I am being overly fussy, as for most applications, being a few
> lb/ft either way won't matter, getting them even is probably more important.
>
> Mirek
>
> -----Original Message-----
> From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of Bob
> Spidell
> Sent: August-07-17 5:47 PM
> To: Healeys
> Subject: [Healeys] Head Re-torque
>
> Listers,
>
> Got a little over 5K miles--you'll have to do your own conversion to
> furlongs--on my 'new' BJ8 engine.  Got a couple ??? for the B&B:
>
> 1) is head re-torquing still considered necessary?
>
> 2) if yes to #1, does anybody have a source for the "crow's foot" wrench
> extension that can loosen/tighten the head nuts w/o removing the rocker
> shaft (which is a bit of a PITA)?
>
> TIA,
>
> Bob
>
> _______________________________________________
>
>
>



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