[DeTomaso] pneumatic kit to find TDC

[Rob Dumoulin]

Actually, Intake valve closing is not TDC on the compression stroke.  That
would be BDC.  TDC after the fire stroke is when the exhaust valve closes.
 Getting exact TDC probably cannot be done looking at the valve because of
intentional overlap to optimize flow.  At least that is what I remember from
years ago, though I may be wrong on the Cleveland.

On Sat, Nov 27, 2010 at 6:53 PM, Will Kooiman <wkooiman at earthlink.net>wrote:

> It looks like a whole lot of gadget for a simple enough task.
>
> You can remove a valve cover and watch the valves.  The compression stroke
> is TDC right after the intake valve closes.
>
> If you don't want to remove a valve cover, remove the #1 plug, and cover
> the
> hole with your finger.  Don't stick your finger all the way in the spark
> plug hole.  Just cover the hole.  When the piston comes up on the compress
> stroke, it will blow your finger off.
>
> You can use a screw driver to find TDC.  The screw driver will stop getting
> pushed out the hole as the piston comes up.
>
> I have also used a spark-plug-TDC-locator.  It is essentially a piston stop
> that screws into a spark plug hole.  You turn it over by hand until it
> stops, mark the balancer, turn it over in the opposite direction, mark the
> balancer, halfway between the 2 marks is TDC.
>
> -----Original Message-----
> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com]
> On
> Behalf Of Rob Dumoulin
> Sent: Saturday, November 27, 2010 7:03 AM
> To: Larry Finch
> Cc: detomaso at realbig.com
> Subject: Re: [DeTomaso] pneumatic kit to find TDC
>
> Sometimes the simplest solutions are the best.  This one also would only
> show you TDC on the compression stroke, which is when you want to line up
> the distributor too.
>
>
> On Sat, Nov 27, 2010 at 1:12 AM, Larry Finch <fresnofinches at aol.com>
> wrote:
>
> >
> >
> >
> >  right here...
> >
> > http://www.jhmbuttco.com/acatalog/info_AST5005.html
> >
> > Larry
> >
> >
> >
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> --
> Rob DuMoulin
> 904.476.8744
> rob at dumoulins.net
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-- 
Rob DuMoulin
904.476.8744
rob at dumoulins.net