Re: tune up questions..longish

["Andy Webster" <trunkie@hotmail.com>]

I figure 'running clearance' is the one I check but what is 'timing 
clearance'?

>From: "Ron.Corry" <Corry@iol.ie>
>To: "Andy Webster" <trunkie@hotmail.com>
>CC: spridgets@autox.team.net
>Subject: Re: tune up questions..longish
>Date: Mon, 01 Nov 1999 21:20:10
>
>Hi Andy,
>
>"Tuning BMC Sports Cars" by Mike Garton (1969) gives the following,
>in relation to the C-AEA 731 cam:-
>
>Running clearance              .015"
>
>Timing clearance               .021"
>
>Hope this helps.
>
>Ron
>59 Sprite "Oggibip"
>========================================================
>At 12:33  01/11/99 GMT, Andy Webster wrote:
> >Greetings,
>Snip...
> >My tune up book  states valve clearances of .012" or .015" for 
>competitiom
> >driving...why is this? Should I be using .015" seeing I have a modified
> >engine (731 cam, extractors)?
>
>