I pleased to hear you have resolved your problem.
It is amazing how such a small problem or oversight can cause so much grief.
Adrian
Wales UK.
----- Original Message -----
From: "Tim Gaines" <mtgaines@presby.edu>
To: <triumphs@autox.team.net>
Sent: Wednesday, March 18, 2015 4:08 PM
Subject: Re: [TR] weird distributor "out of phase" problem--It's alliiive!
> Three years ago, when my Spit engine problem first developed, I had found
> a very small tear in the piston diaphragm and replaced it with a new one.
> That didn't fix the problem, and I ended up letting the whole thing go at
> the time. So, last week, when I took the carb apart piece by piece, I
> concentrated on everything but the diaphragm, especially the intricate
> autochoke with its bimetal spring, stepped cams, vacuum piston, etc. I
> did look at the diaphragm, but since it looked good, I left it alone.
> Yesterday I unscrewed the chamber cover again and lifted out the piston
> and diaphragm. The diaphragm has two little raised tabs, one that fits
> into an indent in the ring around the piston and one for an indent in the
> outer ring of the chamber body. The one for the body wasn't in place. I
> was careless 3 years ago, and then again last week. I put it right,
> tightened the cover down, and gave the key a turn. It started
> immediately! The engine was smooth, the rpms were just about righ
> t, and as it warmed the rpms dropped as they should if the autochoke is
> working. I guess that misplaced tab made for a small vacuum leak, just
> like the original problem. It probably needs a little adjustment with the
> timing light, and I plan to do that later, but it is very close to perfect
> now. Finally.
>
> Tim Gaines
> Clinton, SC
> 1980 Spitfire
> 1974 TR6
>
> ----- Original Message -----
> From: "Tim Gaines" <mtgaines@presby.edu>
> To: triumphs@autox.team.net
> Sent: Sunday, March 15, 2015 11:47:46 PM
> Subject: Re: [TR] weird distributor "out of phase" problem
>
> Thanks to all who have ruled out my timing chain theory. I'm relieved I
> don't have to get into that! Though I WAS sure at the time that I had
> cylinder #1 at tdc on the compression stroke, I am backtracking now. I
> had been checking the clearances on all of the valves and after that I
> really thought I had cycled back to the compression stroke on #1 but . . .
> I guess I'll find out tomorrow when I go out and take a look.
>
> My big surprise was that the distributor would only fit in one
> orientation. That would be a very good design I guess, but I had always
> heard that it was very easy to get it wrong. Was it really designed that
> way, or is there something special (damage) about mine?
>
> Thanks again,
> Tim
>
>
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