Subject: TR6 engine boggs down
> A lot to chew on for you guys, please!>
> Car is 1970 TR6.>
> Engine boggs under acceleration at about 3000 rpm, there is big change in
> exhaust sound>
> Known facts:>
> History shows under 3000 miles over last 10 years, total miles 66680>
> Gas tank looks new>
> Inside valve cover and oil are very clean>
> Engine starts excellent, even after sitting 1 week, no choke really needed
> at 75 degrees air temp then some throttle needed to keep it running a
minute
> or so until smooth>
> Engine idles very smooth>
> Carb pistons when lifted manually feel even, smooth and drop even (when
not
> running)>
> Carb airflow at idle is even (measured with UniSyn).
> > Done prior to me:>
> Carb PVC ports are plugged, valve cover hose goes to charcoal canister
then
> no-where>
> *****Distributor has only 1 vacuum line on firewall side and looks like
front one was
> removed?>
> I replaced fuel filter>
> I replaced plugs, wires and cap, just because....no change>
> The removed plugs are evenly colored lite brownish>
> I have points and condenser next but really suspect one carb or fuel
pump?>
> I would like to fix running performance then crankcase emissions.>
>Thank you
> Regards,>
> Bob
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