Re: [FWDLK] 331 hemi timing questions

[Mike Apfelbeck <moparmike72@xxxxxxxxxxx>]

Why wouldn't a dial indicator work through the spark plug hole? It 
should be a straight shot down the plug hole to the piston dome on a hemi.

Mike


At 03:01 PM 7/6/2008, Ray Jones wrote:
> You contradict yourself, John;
> You state that you also use an indicator in the plug hole...... What 
> you and others say are great for an engine on the stand, but not for 
> an installed engine.
>
> The straw in the plug hole works very well for an INSTALLED engine, 
> since it's near impossible to put on a degree wheel in a car that's 
> operable. The straw will get him in the ballpark and will tell him 
> what the marks on his pulley are. That was the original question.
> Ray
>
> On Jul 6, 2008, at 1:56 PM, John McCann wrote:
>
>    That doesn't work because there are several degrees of 
> crankshaft travel when the piston is at the top of  it's travel 
> with no visible movement of the piston, the method David described 
> is very accurate and the method we used to find TDC in Radial 
> airplane engines using a degree wheel and an indicator in the spark plug hole.
>
> John
>
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