[TR] TR3 Timing question

[Chris Simo]

tdc on the pulley should be 180 out from the crank woodruff key. I have
managed to put the pulley on wrong at least once and also stabbed the dizzy
a tooth or more off only to forget and wonder why i couldn't static time
much later.....

Sent from my TRASH-80

On Thu, Feb 28, 2019, 8:16 PM TERRY SMITH <terryrs at comcast.net> wrote:

> lessee if i remember right.  the pully mounts to a flange via 6 bolts.
> the flange itself is keyed and mounts to the crankshaft, meaning you can
> only mount the flange one way using the key, but can bugger the placement
> of the little timing hole on the back half of the pully some six different
> ways.  ...or is it 5....
>
> messing up placement of the timing mark on the back half of the pully is
> very easy to do.  ask me know.  better yet, don't remind me....
>
> terry smith
> new hampshire
>
>
> > On February 28, 2019 at 11:30 AM jpaynepbr at cox.net wrote:
> >
> >
> > It's more likely that the distributor drive gear is off by a tooth or
> two than the pulley being put on wrong.
> >
> > There is only 1 way to get the pulley on and no opportunity to mess it
> up.  The drive gear has a 10 or more teeth on it, and therefore 10 or more
> opportunities to get it wrong.
> >
> >
> > -----Original Message-----
> > From: Triumphs <triumphs-bounces at autox.team.net> On Behalf Of
> Wbeech at flash.net
> > Sent: Thursday, February 28, 2019 6:39 AM
> > To: Randall <TR3driver at ca.rr.com>
> > Cc: Triumphs at autox.team.net
> > Subject: Re: [TR] TR3 Timing question
> >
> > Thanks Randall,
> > 40° was just a guess, the mark is about at the 2:00 position.  I am
> using the hole in the pulley as the TDC mark, there is also a file mark
> there.
> >
> > I turned the dizzy clockwise until it started to stumble, then brought
> it back to the best smooth RPM position.   First road test was great,
> compression at 175 across 4.  Can I leave it there?  If not, what should I
> be looking for?
> >
> > Bill
> >
> >
> >
> > Sent from my DynaTAC 8000X
> >
> > On Feb 28, 2019, at 1:40 AM, Randall <TR3driver at ca.rr.com> wrote:
> >
> > Sounds to me like your TDC marks are wrong.
> >
> > If the issue is the front pulley being assembled wrong, it would be off
> by
> > 60 degrees, and so you're still about 20 degrees fast.  That is likely
> to be an issue.
> >
> > 40 late isn't going to work well either.
> >
> > > Had set the dizzy to open with the marks at TDC, not happening.  So I
> > > advanced it a whole bunch till the car would start.  Put a light on it
> > > and, by the marks, it looks like 40° retarded at a nice smooth idle
> > > and the dizzy is in a very
> > > normal position.   How does that happen?   Is the only fix to
> > > pull the front of the engine and relocate the hub?
> > >
> > > Will it hurt anything to drive it as is?
> >
> >
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