When I first got my BJ7 I ran an experiment to see if it made any
difference. I forget now whether I set the valves hot and checked them cold
or vice-versa, but the end result was that there was no significant
difference.
I did not see mention of this so I will. The General Data page of the BMC
shop manual specifies .012" hot for the 100-6 and .012" cold for the 3000.
HTH,
Peter Schauss
1963 BJ7 (with valves set cold)
1980 MGB (with valves set - ouch - hot)
> -----Original Message-----
> From: owner-healeys@autox.team.net [mailto:owner-healeys@autox.team.net]
> On Behalf Of David Z
> Sent: Wednesday, October 04, 2006 2:32 PM
> To: Healey@autox.team.net
> Subject: valve adjustment
>
> How much of a difference is there between the measurement of valves by
> adjusting them when they're cold verses hot? I recognize steel will
> change
> its dimension with varying temperatures.
>
> David Z.
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