[TR] TR3 Timing question

[TERRY SMITH]

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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