Carb issue research

Thinking about the idle issue (too lean) on cylinder 3... it looks like this may be a clogged idle jet.

Driving impressions

I drove the car about 30 miles yesterday. Several laps around the block and a few runs on the highway. It ran better after each outing.

For city driving,  the car feels great - powerful and nimble - and you can appreciate the brakes.

It's good on the highway too. No strange rattles or squeaks. It's nice having a 5th gear - 70mph @ 3,500 rpm.

Looking forward to posting more driving impressions.

Adjusting the carbs

If you own a classic car with a carburetor, you will be interested in a Gunson Colortune kit (https://www.youtube.com/watch?v=Y9t8XhFlKbk&t=3s). This little device, a clear spark plug, helps you see the combustion in the cylinder and adjust the air-fuel mixture.

The Alfa's did not require much tuning, but we did find cylinder 3 was running too lean; and turning the  mixture screw had no effect. My hunch is the idle jet is clogged, but putting some miles on the car might clear the problem. 

Overall, the engine feels great - it revs easily and feels very powerful. 

Hydraulic reservoir lines

Last week, the clutch line started leaking around the reservoir. After some poking around, we found the small rubber hose (48 years old!) had perished and cracked. The rubber brake line did not look good either.

These small rubber hoses are no longer available, so we made new connections with high-test braided fuel injection line and o-clamps. This fix worked like a charm.

We also washed and scrubbed the areas around the reservoir and lines. If left alone, this stuff will strip the the paint!

Back on the road.

Sump guard powder-coated

A few weeks ago, I sent the sump guard off for powder coating (Sahara Gold). It's back and looking good.

On the car:

Another new steering wheel

Momo Prototipo on:

New fuel sender

After a short amount of driving, the fuel gauge stopped working. We reversed the wires and saw the gauge was moving, so the fuel sender had a problem.

Removing the old unit was a chore. The screws were corroded, so we had to use an impact driver to get them out. 

The new Jaeger unit from Classic Alfa (http://classicalfa.com/products.php?product=FL001-FUEL-TANK-SENDER-%28JAEGER%29-%252d-1300%252d1750-CARS) went in easily. 

Another job done!