Re: Tming Chain Stupid Question

[Tom Watters <tomwatters@xxxxxxxxxxx>]

Most people set timing at 180 degrees from fire because it is easier to 
run a straight line From Cam bolt, to Cam Gear to Crank Gear to Crank 
that way.  It is easier to be off by 1 tooth when setting it at TDC with 
the mark at the top of the cycle.  1 tooth equals a number of degrees 
out on the cam/crank timing.  If you are off one or more tooth, there's 
no way to fix with distributor.  Can bend valves, blow back thru carb, 
start fire and all those bad things.

Nico Over wrote:
> Thanks Don that is what I thought but wanted a second opinion. I'll look
> elsewhere for my problem.
> Nico
>
>
>
> On Tue, 20 Apr 2010 14:20:24 -0700 (PDT), Donald Gallimore wrote
>   
> > I'm not sure you did anything wrong.  Remember that the gear on the 
> > crank rotates twice for every one rotation of the gear on the cam. 
> >  Either way, the mark at the bottom or the top of the cam gear, is 
> > right when the mark on the crank gear is at the top. The piston is 
> > still at Top Dead Center (TDC).   (Of course, it's hard to tell if 
> > you got it right when they are 180 degrees apart)
> >
> > Akron Don Gallimore
> >
> > ----- Original Message ----
> >     
> > > From: Nico Over <nover@xxxxxxxx>
> > > To: 1962to1965mopars@xxxxxxxxxx
> > > Sent: Tue, April 20, 2010 2:39:07 PM
> > > Subject: Tming Chain Stupid Question
> > >
> > >
> > >       
> > All, just finished putting Eddy Victor Heads ported to Max wedge 
> > size, Indy 
> >     
> > dual plane intake, Crane Hydraulic Roller in the winter top end 
> > overhaul of 
> >     
> > the 440 in my 63 330. It barely runs, pops out the exhaust on decel, 
> > won't 
> >     
> > idle. I have moved the timing all over the place from 0 degrees at 
> > idle to 
> >     
> > > 33 
> > >       
> > degress at 3k with no difference in running characteristics. I am 
> > sure 
> >     
> > > that 
> > >       
> > all the plugs are firing and the valves are adjusted properly so am 
> > at 
> >     
> > > my 
> > >       
> > wits end on this one. Now, the only thing I can figure that I messed 
> > up 
> >     
> > > on 
> > >       
> > the build was that I set the timing marks in line top of each gear 
> > at TDC 
> >     
> > firing instead of the bottom of cam gear to top of crank gear. So my 
> >     
> > > question 
> > >       
> > is: will setting the timing marks the way I did manifest itself as 
> >     
> > > I have 
> > >       
> > noted above. I really don't want to rip it all back apart but will if 
> >     
> > > i have 
> > >       
> > to. Any thoughts would be greatly appreciated.
> > Nico Over
> > Va. 
> >     
> > > Beach, Va.
> > >       
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> ----
> Please address private mail -- mail of interest to only one person -- directly to that person.  I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!
>
> 1962 to 1965 Mopar Clubhouse Discussion Guidelines:
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