From: dos_gusanos@msn.com
To: fot@autox.team.net
Subject: RE: [Fot] TR6 Timing
Date: Sun, 3 Jul 2011 07:11:13 -0600
Good morning group, I just rebuilt my engine on my '69 Kmart TR6 (that means
it's safe to drive this one to Kmart) otherwise known as "Rusty". I glanced
at the timing specs and set it at the 4 degrees at 800 of thereabouts. I
broke in the cam and then, after plugging various oil leaks took her for a
spin. The car felt fair but not as good as I would like so I came home and
put her to bed. Most of the original vacuum set up is there, although not
properly hooked up. I checked the timing yesterday and only one vacuum line
was hooked up. Apparently this is the retard unit hooked up to a port
directly in front of the "5" stamped in the top of the carburetor. This set
up hauls the advance backward at a progressively higher rate as you increase
rpms, ie 8-10 degrees at full advance. The advance side of the distributor is
not hooked up. I unplugged everything and set the timing at 30 degrees full
advance, but havent driven around the block. There is another vacuum leak
every time I look at the thing. I lay all the blame for this directly at the
feet of the PREVIOUS OWNER. I would also like to direct some blame to the BL
exec who thought up this dueling distributor idea.
Cheers, Henry Morrison, Cedar Crest, NM
>
> Gary,
> The 69 TR6 has a little more complex distributor than what you're
> describing. It had a vacuum advance and a vacuum retard on the distributor
> and a system that operated the vacuum retard attached to the carbs. It also
> makes a difference where you connect your vacuum pipes. Some carbs have 2
> places to connect for vacuum. I've attached a page from The Roadster Factory
> blue book showing the vacuum pipes etc.
> I guess what I'm trying to tell you is if you don't have this system, which
> you probably don't because everyone took it off, you have to use a later
> spec to set the timing of your car. The later spec I believe used a quite
> different way of timing. Anyway, you need to understand which distributor
> you have and vacuum system and set the timing accordingly. Hope this helps.
> http://www.zeni.net/trf/TR6bluebook/51.php
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