Generally that symptom usually means the cam is way out of time.
That condition is common with street cars that have jumped time because
of a bad chain or sprocket.
Did you degree the cam?
Good Luck
Glenn Franco
Too many TR's
On 11/19/2011 2:27 PM, Duncan Charlton wrote:
> Ken,
> What is the overlap on your camshaft and how is it timed? Sounds like the
> rising piston might be pushing mixture out the carb before the valve closes.
> Do you have a crossover pipe linking the rear and front carbs?
> Duncan
> 1952 Morgan Plus 4 #6 red
>
> On Nov 19, 2011, at 1:01 PM, KENMUN@aol.com wrote:
>
>> recently had a chance to try the rebuilt tr3 motor on the race track and
>> experienced a strange problem. gas is blowing back thru the carbs. it's both
>> carbs and the gas is on the inside fender well, underside of hood, top side
>> of the front fender, and leading edge of the rear fender .anyone have any
>> idea what's going on? seems like the intake valves are leaking or the valve
>> timing is retarded. any ideas/tests or suggestions appreciated.
>> ken m. vintage tr3 racer
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