[DeTomaso] Pandora question

[Christopher Kimball]

When Stephan was here he had me buy a new timing light and vacuum gauge.  He took various measurements as he was adjusting the timing and carb, I believe.

I'm beginning to think that the problem may just be the pointer.  That would explain the felt-pen mark on the damper at 38 btdc and why it runs so well when the timing light lines up that mark.

Thanks,

Chris

> Date: Thu, 25 Nov 2010 21:49:07 -0800
> From: asajay at asajay.com
> To: detomaso at realbig.com
> Subject: Re: [DeTomaso] Pandora question
> 
> I recently decided to skip the timing light altogether and use a vacuum 
> gauge instead, when timing my Pantera.  I replaced the dual points, 
> gapped them as close as I could get without a dwell meter, then hooked 
> up a vacuum gauge and started her up.  I let it warm to operating 
> temperature then timed it for peak vacuum, then backed off  one point on 
> the gauge.  I also adjusted the carb this way, searching for peak 
> vacuum.  I moved back and forth between carb adjust and timing until I 
> got it where I wanted it.  Now she purrs like a kitten and roars like a 
> Panther.
> :)
> 
> Asa Jay
> 
> Asa Jay Laughton, MSgt, USAFR, Retired
> &  Shelley Marie
> Spokane, WA
> ******************************
> http://www.racingagainstautism.com
> http://www.teampanteraracing.com
> 
> 
> On 11/25/2010 21:30, Christopher Kimball wrote:
> > I'm planning on using the piston stop a friend has to do just that.
> >
> > So far, I like this advice the best--drive it!
> >
> > Thanks,
> >
> > Chris
> >
> >> From: JDeRyke at aol.com
> >> Date: Thu, 25 Nov 2010 15:27:37 -0500
> >> To: kenn_green at yahoo.com; detomaso at realbig.com
> >> Subject: Re: [DeTomaso] Pandora question
> >>
> >> In a message dated 11/25/10 10:07:10 AM, kenn_green at yahoo.com writes:
> >>
> >>> I think there may be more than one position for the timing pointer on a
> >>> SBF.  If that is correct, someone may have miss matched parts and then added
> >>> a mark for the correct timing?
> >>>
> >>>
> >> Correct, Kenn- there are at least two completely diferent timing covers for
> >> the '70-'73 351-Cleveland plus another for the 351M/400-M's All use
> >> different timing pointers- that are at best only loosely indexed to the block
> >> anyway. It's quite possible to mix 'n match the pointers. Anyone actually wishing
> >> to know their true ignition timing should first find actual top dead center
> >> and go from there.
> >>
> >> Harmonic balencers also constantly slip and change the markings, so unless
> >> you've gone thru the exercise to find true TDC and made an index mark, just
> >> set the distribnutor to where the engine runs decently but doesn't
> >> death-rattle under hard acceleration, and go on to other problems. FWIW- J DeRyke
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