Ken Freeze put his car on a dyno and tested. I think that is the best way,
but it is nice to get close first. I would love to have a fuel-air meter.
Anyone want to donate?
Jerry
> Jerry,
>
> Jerry,
>
> One approach I'm wondering about is to use a fuel-air meter and oxygen
> sensor(s) in the exhaust pipe(s). See
> http://www.team.net/www/morgan/tech/carbs/tuning.html
>
> Anyone done this on their Healey?
>
> Bob
>
> Jerry Costanzo wrote:
>> I have installed my HD8 carburetors onto a slightly modified BJ8 engine.
>> The
>> carburetors were rebuilt (by me). At present, the engine runs well but
>> the
>> carburetors have a little backfire when cold and occasionally when warm.
>> They
>> test by lifting the piston to be too lean. If I adjust the fuel mixture
>> any
>> richer, the idle goes over 1100rpms and I still don't get the lift test
>> to
>> properly keep the rpms steady.
>> Other items of note:
>>
>> Checked for vacume leaks. Did not find any with a unlit propane torch.
>> Timing appears to be correct. I went back and checked the valve
>> positions vs.
>> cylinders at top.
>> Engine revs ok, I have not driven the car to test the power. It does
>> not
>> have body panels on yet.
>>
>> Is it time to try a richer needle in the carburetor? If so, which would
>> you
>> try?
>>
>> Jerry
>> BJ8 in progress
>> BN4
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