Darcy:
You may have answered your own problem- to much initial advance.
On my '74 TR6, I was running 12 DBTC with the vacum retard removed. car
ran OK, but would have LOTS of black exhaust and fouled plugs. Dialed
the timing back to 6 DBTC and it cleared up the black soot and fouled
plugs. Couldn't hurt to give it a shot.
Paul
On Monday, October 29, 2001, at 09:47 PM, DarcyHunt@aol.com wrote:
> I have been struggling to sort out my HS6's on my TR6. Have installed
> headers. Vacuum retard is disconnected and timing set to 12 BTDC.
> Made a
> little progress but nothing definite. The problem I'm currently
> experiencing
> is sporatic missing mostly occuring around 2500-3000 rpm under
> acceleration.
> Got some shims from Joe Curto and set the float to 0.187 as per his
> recommendation. Things improved somewhat. Changed from BAE needle to
> super
> rich BAL needle and things got better but still occassional missing.
> This
> Sunday I changed back to the Strombergs but occasional missing was still
> there. Put the vacuum retard back in place and problem all but
> disappeared.
> Maybe it has been an ignition problem all along. Any recommendations
> how the
> timing should be set up. I had intended to only use the mechanical
> advance.
> With timing at idle of 12 degrees, it moves up to about 24-26 at about
> 3500.
> Maybe to much advance, maybe to little. I'm looking for some advice.
> I told my wife I was done messing with it and quitting for the season
> but it
> would be nice to get this resolved.
>
> Darcy Hunter
> 73' TR6
> No. Easton MA
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