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Re: [TR] TR3 Timing question

To: <jpaynepbr@cox.net>, "'Wbeech@flash.net'" <wbeech@flash.net>, "'Randall'" <TR3driver@ca.rr.com>
Subject: Re: [TR] TR3 Timing question
From: "Jerry Van Vlack" <jerryvv@roadrunner.com>
Date: Thu, 28 Feb 2019 17:01:16 -0500
Cc: Triumphs@autox.team.net
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
Importance: Normal xfcY+pIg9Qlu6Rlp19YA17cKoRUq/ZuBzmUbV8qR4Ua7BRp3xmNWsaPCLKWGFyrBy+Vj6H/EsfBjj74aM9w3LUpfWVflz2C+0cmfFk5GLfSAtXv5P/W+QJlP LVRtWVj9oU0kEgYtPmdX2oHWcWUHjGhDW5+7JYN5AXB15370qShP/uWLasozWJkG
References: <B72E11FA-BBEB-4E11-AC96-2186A8BE335A@flash.net> <3E3C519B3AB64C94ACC247C713643152@RYPC> <23C51D60-B434-4D4B-B40E-6195770F4A51@flash.net> <000001d4cf82$fc8d8c20$f5a8a460$@cox.net>
While the pulley hub can only go on 1 way I seem to recall the 2 halves of 
the sheet metal pulley can be assembled to the hub several ways thus the 
hole is in the incorrect position and timing is then incorrect.

-----Original Message----- 
From: jpaynepbr@cox.net
Sent: Thursday, February 28, 2019 11:30 AM
To: 'Wbeech@flash.net' ; 'Randall'
Cc: Triumphs@autox.team.net
Subject: Re: [TR] TR3 Timing question

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@autox.team.net> On Behalf Of 
Wbeech@flash.net
Sent: Thursday, February 28, 2019 6:39 AM
To: Randall <TR3driver@ca.rr.com>
Cc: Triumphs@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@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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